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Ar-15/M16 Bolt/Carrier Assembly - Bolt/Carrier Assembly

Ar-15/M16 Bolt/Carrier Assembly - Bolt/Carrier Assembly

Complete bolt/carrier assembly comes ready to drop in your rifle-ideal as a replacement, in a custom build, or as a backup for extra insurance during competition. Machined from high-grade 8620 carbon steel to mil-spec dimensions, with hard-chrome...

at Brownells

Best Seller
J P Enterprises Ar-15/M16 9mm Bolt Carrier Group - Ar15 9mm Bolt Assembly

J P Enterprises Ar-15/M16 9mm Bolt Carrier Group - Ar15 9mm Bolt Assembly

The JP 9mm Bolt Assembly fits Colt 9mm style AR-15 and M16 rifles. This bolt has been tuned by JP to ensure consistent feed, extraction and ejection. Can be used in conjunction with the JP 9mm Silent Capture Spring, for the ultimate in tunability and... ... more

J P Enterprises Ar-15/M16 9mm Bolt Carrier Group - Ar15 9mm Bolt Assembly

The JP 9mm Bolt Assembly fits Colt 9mm style AR-15 and M16 rifles. This bolt has been tuned by JP to ensure consistent feed, extraction and ejection. Can be used in conjunction with the JP 9mm Silent Capture Spring, for the ultimate in tunability and...

Brownells

$237.99

FREE shipping

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APF Armory Bolt Carrier LR-308 Nickel Boron

APF Armory Bolt Carrier LR-308 Nickel Boron

Alex Pro Firearms (APF) has been in business since 1976 crafting highly precise componentry. All APF parts are of the highest quality and 100% made in America. APF has taken their line of precision AR components and added a Nickel Boron coating to... ... more

APF Armory Bolt Carrier LR-308 Nickel Boron

Alex Pro Firearms (APF) has been in business since 1976 crafting highly precise componentry. All APF parts are of the highest quality and 100% made in America. APF has taken their line of precision AR components and added a Nickel Boron coating to...

MidwayUSA

(950,000+)

$119.99

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MidwayUSA

(950,000+)
Best Seller
Sig Sauer AR15 Parts Bolt Carrier Assy 556 BOLTCARRIER2 Model: BOLT-CARRIER-2

Sig Sauer AR15 Parts Bolt Carrier Assy 556 BOLTCARRIER2 Model: BOLT-CARRIER-2

Sig Sauer AR15 Parts Bolt Carrier Assy 556 BOLTCARRIER2 Model: BOLT-CARRIER-2. Sig Sauer Bolt Carrier Assy 556 - BOLT-CARRIER-2 ... more

Sig Sauer AR15 Parts Bolt Carrier Assy 556 BOLTCARRIER2 Model: BOLT-CARRIER-2

Sig Sauer AR15 Parts Bolt Carrier Assy 556 BOLTCARRIER2 Model: BOLT-CARRIER-2. Sig Sauer Bolt Carrier Assy 556 - BOLT-CARRIER-2

OpticsPlanet

$233.00

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American Built Arms Bolt Carrier Group AR-15 223 Remington, 5.56x45mm Nickel Boron

American Built Arms Bolt Carrier Group AR-15 223 Remington, 5.56x45mm Nickel Boron

American Built Arms A*B Pro 5.56 Bolt Carrier Group is built to Mil-Spec dimensions. The Nickel Boron coated Bolt and Cam Pin needs virtually no lube during use. The Nickel Boron coated Carrier is coated for extra lubricity and the phosphate coated... ... more

American Built Arms Bolt Carrier Group AR-15 223 Remington, 5.56x45mm Nickel Boron

American Built Arms A*B Pro 5.56 Bolt Carrier Group is built to Mil-Spec dimensions. The Nickel Boron coated Bolt and Cam Pin needs virtually no lube during use. The Nickel Boron coated Carrier is coated for extra lubricity and the phosphate coated...

MidwayUSA

(950,000+)

$179.99

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MidwayUSA

(950,000+)
Radian Enhanced Bolt Carrier Group AR-15 223 Remington, 5.56x45mm Nitride

Radian Enhanced Bolt Carrier Group AR-15 223 Remington, 5.56x45mm Nitride

FeaturesMil-spec, full auto-ratedProperly staked gas keySelf-lubricating polished finishComplete Bolt Carrier Assembly, Drop-in ready The Radian bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The... ... more

Radian Enhanced Bolt Carrier Group AR-15 223 Remington, 5.56x45mm Nitride

FeaturesMil-spec, full auto-ratedProperly staked gas keySelf-lubricating polished finishComplete Bolt Carrier Assembly, Drop-in ready The Radian bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The...

MidwayUSA

(950,000+)

$176.65

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MidwayUSA

(950,000+)
Smith Enterprise M16 Chrome Match Bolt Carrier Assembly - M16 Match Bolt Carrier W/Key

Smith Enterprise M16 Chrome Match Bolt Carrier Assembly - M16 Match Bolt Carrier W/Key

True, match-spec bolt carriers increase cycling efficiency for greater dependability and less chance of malfunction. Machined to military specs, hardened and heat treated, then hard-chrome plated for a much lower co-efficient of friction between the... ... more

Smith Enterprise M16 Chrome Match Bolt Carrier Assembly - M16 Match Bolt Carrier W/Key

True, match-spec bolt carriers increase cycling efficiency for greater dependability and less chance of malfunction. Machined to military specs, hardened and heat treated, then hard-chrome plated for a much lower co-efficient of friction between the...

Brownells

$174.99

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J P Enterprises Ar-15/M16 Ultra Low Mass Carrier W/223 Bolt - Ar15/M16 Ultra Low Mass Carrier W/ 223

J P Enterprises Ar-15/M16 Ultra Low Mass Carrier W/223 Bolt - Ar15/M16 Ultra Low Mass Carrier W/ 223

Re-engineered for improved reliability and performance with lower maintenance requirements, the new JPBC-1 is the ultimate in improved reliability and performance, especially when combined with a high-efficiency JP muzzle brake, adjustable gas system... ... more

J P Enterprises Ar-15/M16 Ultra Low Mass Carrier W/223 Bolt - Ar15/M16 Ultra Low Mass Carrier W/ 223

Re-engineered for improved reliability and performance with lower maintenance requirements, the new JPBC-1 is the ultimate in improved reliability and performance, especially when combined with a high-efficiency JP muzzle brake, adjustable gas system...

Brownells

$437.99

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Black Rain Ordnance AR15 Parts Bolt Carrier Group Left Handed Nickel Boron BROBCGLH

Black Rain Ordnance AR15 Parts Bolt Carrier Group Left Handed Nickel Boron BROBCGLH

Black Rain Ordnance AR15 Parts Bolt Carrier Group Left Handed Nickel Boron BROBCGLH. Black Rain Ordnance Bolt Carrier Group Left Handed Nickel Boron BRO-BCG-LH ... more

Black Rain Ordnance AR15 Parts Bolt Carrier Group Left Handed Nickel Boron BROBCGLH

Black Rain Ordnance AR15 Parts Bolt Carrier Group Left Handed Nickel Boron BROBCGLH. Black Rain Ordnance Bolt Carrier Group Left Handed Nickel Boron BRO-BCG-LH

OpticsPlanet

$239.99

FREE shipping

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Sig Sauer AR15 Parts 10 Pack Bolt Carrier Assy L 1700600B Model: 1700600-B

Sig Sauer AR15 Parts 10 Pack Bolt Carrier Assy L 1700600B Model: 1700600-B

Sig Sauer AR15 Parts 10 Pack Bolt Carrier Assy L 1700600B Model: 1700600-B. Sig Sauer 10 Pack Bolt Carrier Assy L - 1700600-B ... more

Sig Sauer AR15 Parts 10 Pack Bolt Carrier Assy L 1700600B Model: 1700600-B

Sig Sauer AR15 Parts 10 Pack Bolt Carrier Assy L 1700600B Model: 1700600-B. Sig Sauer 10 Pack Bolt Carrier Assy L - 1700600-B

OpticsPlanet

$2,459.00

FREE shipping

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Alex Pro Firearms APF 6.8 SPC Bolt Carrier Group Nickel Boron

Alex Pro Firearms APF 6.8 SPC Bolt Carrier Group Nickel Boron

Alex Pro Firearms M16 Phospate Bolt Carrier Group, machined to mil.-spec standards! APF products are made right here in The Guide's own backyard - Alexandria, Minnesota. We know the folks at APF. We know their products are designed and built... ... more

Alex Pro Firearms APF 6.8 SPC Bolt Carrier Group Nickel Boron

Alex Pro Firearms M16 Phospate Bolt Carrier Group, machined to mil.-spec standards! APF products are made right here in The Guide's own backyard - Alexandria, Minnesota. We know the folks at APF. We know their products are designed and built...

$149.99

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Daniel Defense Bolt Carrier Group Mil-Spec AR-15 223 Remington, 5.56x45mm Matte

Daniel Defense Bolt Carrier Group Mil-Spec AR-15 223 Remington, 5.56x45mm Matte

FeaturesShot-peened bolt for strength and durabilityExtractor booster for reliable cyclingMagnetic particle inspectedProperly staked gas key to prevent gas leaksChrome Lined CarrierMade in the USA If you are looking to complete your AR build or simply... ... more

Daniel Defense Bolt Carrier Group Mil-Spec AR-15 223 Remington, 5.56x45mm Matte

FeaturesShot-peened bolt for strength and durabilityExtractor booster for reliable cyclingMagnetic particle inspectedProperly staked gas key to prevent gas leaksChrome Lined CarrierMade in the USA If you are looking to complete your AR build or simply...

MidwayUSA

(950,000+)

$185.00

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MidwayUSA

(950,000+)
AR-Stoner Bolt Carrier Group AR-15 6.5 Grendel Matte

AR-Stoner Bolt Carrier Group AR-15 6.5 Grendel Matte

FeaturesChambered for 6.5 GrendelMachined to Mil-Spec StandardsProperly Staked Gas KeyDrop-In ReadyBlack Nitrite Finish CarrierParkerized Finish Type 2 Bolt with .136" bolt face depthThe AR-Stoner 6.5 Grendel Bolt Carrier Group is a great option for... ... more

AR-Stoner Bolt Carrier Group AR-15 6.5 Grendel Matte

FeaturesChambered for 6.5 GrendelMachined to Mil-Spec StandardsProperly Staked Gas KeyDrop-In ReadyBlack Nitrite Finish CarrierParkerized Finish Type 2 Bolt with .136" bolt face depthThe AR-Stoner 6.5 Grendel Bolt Carrier Group is a great option for...

MidwayUSA

(950,000+)

$99.99

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MidwayUSA

(950,000+)
AR-Stoner Bolt Carrier Group LR-308 308 Winchester Matte

AR-Stoner Bolt Carrier Group LR-308 308 Winchester Matte

FeaturesChambered for the LR-308/308 WinchesterMachined to Mil-Spec StandardsProperly Staked Gas KeyDrop-In ReadyBlack Nitrite Finish CarrierParkerized Finish BoltThe AR-Stoner LR-308 (308 Winchester) Bolt Carrier Group is a great option for your next... ... more

AR-Stoner Bolt Carrier Group LR-308 308 Winchester Matte

FeaturesChambered for the LR-308/308 WinchesterMachined to Mil-Spec StandardsProperly Staked Gas KeyDrop-In ReadyBlack Nitrite Finish CarrierParkerized Finish BoltThe AR-Stoner LR-308 (308 Winchester) Bolt Carrier Group is a great option for your next...

MidwayUSA

(950,000+)

$169.99

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MidwayUSA

(950,000+)
AR-Stoner Bolt Carrier Group Mil-Spec AR-15 223 Remington, 5.56x45mm Matte

AR-Stoner Bolt Carrier Group Mil-Spec AR-15 223 Remington, 5.56x45mm Matte

FeaturesMachined to Mil-Spec StandardsProperly Staked Gas KeyComplete Bolt Carrier Assembly, Drop-In ReadyThe AR-Stoner Bolt Carrier Assembly is the perfect choice for your next AR build!This AR-Stoner Bolt Carrier Group has been machined to Mil-Spec... ... more

AR-Stoner Bolt Carrier Group Mil-Spec AR-15 223 Remington, 5.56x45mm Matte

FeaturesMachined to Mil-Spec StandardsProperly Staked Gas KeyComplete Bolt Carrier Assembly, Drop-In ReadyThe AR-Stoner Bolt Carrier Assembly is the perfect choice for your next AR build!This AR-Stoner Bolt Carrier Group has been machined to Mil-Spec...

MidwayUSA

(950,000+)

$99.99 $74.99

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MidwayUSA

(950,000+)
JP Enterprises LMOS Bolt Carrier and Key AR-15 Stainless Steel

JP Enterprises LMOS Bolt Carrier and Key AR-15 Stainless Steel

This low mass bolt carrier comes with a carrier key installed. It is machined from 416 stainless steel and is finished with JP's QPQ hard coating process for better lubricity and long lasting use. This bolt does not include serrations for a forward... ... more

JP Enterprises LMOS Bolt Carrier and Key AR-15 Stainless Steel

This low mass bolt carrier comes with a carrier key installed. It is machined from 416 stainless steel and is finished with JP's QPQ hard coating process for better lubricity and long lasting use. This bolt does not include serrations for a forward...

MidwayUSA

(950,000+)

$209.99

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MidwayUSA

(950,000+)
AR-Stoner Bolt Carrier Group AR-15 7.62x39mm Matte

AR-Stoner Bolt Carrier Group AR-15 7.62x39mm Matte

FeaturesChambered for 7.62x39Machined to Mil-Spec StandardsProperly Staked Gas KeyDrop-In ReadyThe AR-Stoner 7.62x39mm Bolt Carrier Group is a great option for your next AR build. Chambered in the popular 7.62x39mm Caliber, this BCG is machined to... ... more

AR-Stoner Bolt Carrier Group AR-15 7.62x39mm Matte

FeaturesChambered for 7.62x39Machined to Mil-Spec StandardsProperly Staked Gas KeyDrop-In ReadyThe AR-Stoner 7.62x39mm Bolt Carrier Group is a great option for your next AR build. Chambered in the popular 7.62x39mm Caliber, this BCG is machined to...

MidwayUSA

(950,000+)

$99.99

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MidwayUSA

(950,000+)
Marlin Carrier Assembly Marlin 1894C, 1894CB 357 Magnum

Marlin Carrier Assembly Marlin 1894C, 1894CB 357 Magnum

This is an original factory replacement part from Marlin. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Technical Information Parts fit modern... ... more

Marlin Carrier Assembly Marlin 1894C, 1894CB 357 Magnum

This is an original factory replacement part from Marlin. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Technical Information Parts fit modern...

MidwayUSA

(950,000+)

$69.99

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MidwayUSA

(950,000+)
Volquartsen Competition Bolt Assembly Ruger 10/22 Target Knob Black Nitride

Volquartsen Competition Bolt Assembly Ruger 10/22 Target Knob Black Nitride

This CNC-machined bolt features a round firing pin and a Volquartsen Exact Edge extractor for ultimate ignition and extraction. Bolt also includes a new recoil rod and spring for ease of installation. Does not fit Ruger 10/22 Magnum. Searches for... ... more

Volquartsen Competition Bolt Assembly Ruger 10/22 Target Knob Black Nitride

This CNC-machined bolt features a round firing pin and a Volquartsen Exact Edge extractor for ultimate ignition and extraction. Bolt also includes a new recoil rod and spring for ease of installation. Does not fit Ruger 10/22 Magnum. Searches for...

MidwayUSA

(950,000+)

$211.50

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MidwayUSA

(950,000+)
JP Enterprises Upper Receiver Assembled AR-15 Side Charging Handle With Full Mass Bolt Carrier Matte

JP Enterprises Upper Receiver Assembled AR-15 Side Charging Handle With Full Mass Bolt Carrier Matte

The JP Enterprises PSC-11 Upper Receiver Assembly provides the best of both worlds to the tactical market. This receiver is machined from billet features JP Enterprises popular side charging handle as well as the standard top charging handle of other... ... more

JP Enterprises Upper Receiver Assembled AR-15 Side Charging Handle With Full Mass Bolt Carrier Matte

The JP Enterprises PSC-11 Upper Receiver Assembly provides the best of both worlds to the tactical market. This receiver is machined from billet features JP Enterprises popular side charging handle as well as the standard top charging handle of other...

MidwayUSA

(950,000+)

$854.99

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MidwayUSA

(950,000+)
JP Enterprises Upper Receiver Assembled AR-15 Side Charging Handle With Low Mass Bolt Carrier Matte

JP Enterprises Upper Receiver Assembled AR-15 Side Charging Handle With Low Mass Bolt Carrier Matte

The JP Enterprises PSC-11 Upper Receiver Assembly provides the best of both worlds to the tactical market. This receiver is machined from billet features JP Enterprises popular side charging handle as well as the standard top charging handle of other... ... more

JP Enterprises Upper Receiver Assembled AR-15 Side Charging Handle With Low Mass Bolt Carrier Matte

The JP Enterprises PSC-11 Upper Receiver Assembly provides the best of both worlds to the tactical market. This receiver is machined from billet features JP Enterprises popular side charging handle as well as the standard top charging handle of other...

MidwayUSA

(950,000+)

$854.99

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MidwayUSA

(950,000+)
Fm Products Inc Fm-9 Bolt Carrier Assembly - Ar-15 Fm-9 9mm Bolt Carrier Assembly

Fm Products Inc Fm-9 Bolt Carrier Assembly - Ar-15 Fm-9 9mm Bolt Carrier Assembly

The Foxtrot Mike Products FM-9 Bolt / Carrier Group fits 9MM AR style pistols and carbines that use lowers designed for Glock style magazines only. Machined from a single piece of premium 8620H steel alloy, the FM-9 Bolt / Carrier Group is finished... ... more

Fm Products Inc Fm-9 Bolt Carrier Assembly - Ar-15 Fm-9 9mm Bolt Carrier Assembly

The Foxtrot Mike Products FM-9 Bolt / Carrier Group fits 9MM AR style pistols and carbines that use lowers designed for Glock style magazines only. Machined from a single piece of premium 8620H steel alloy, the FM-9 Bolt / Carrier Group is finished...

Brownells

$119.99 $99.99

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Blackheart Firearms Ak-47 Bolt Carrier Assembly Hammer Forged Us� - Ak-47 Bolt Carrier Assembly Hamm

Blackheart Firearms Ak-47 Bolt Carrier Assembly Hammer Forged Us� - Ak-47 Bolt Carrier Assembly Hamm

The US hammer forged Blackheart Firearms AK-47 bolt carrier group is an upgrade to your Romanian AK rifle. This component features the premium strength associated with the hammer forging process. The US hammer forged AK-47 bolt carrier group is fully... ... more

Blackheart Firearms Ak-47 Bolt Carrier Assembly Hammer Forged Us� - Ak-47 Bolt Carrier Assembly Hamm

The US hammer forged Blackheart Firearms AK-47 bolt carrier group is an upgrade to your Romanian AK rifle. This component features the premium strength associated with the hammer forging process. The US hammer forged AK-47 bolt carrier group is fully...

Brownells

$149.95

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Aero Precision AR15 Parts .308 Bolt Carrier Group Nickel Boron APRH100185

Aero Precision AR15 Parts .308 Bolt Carrier Group Nickel Boron APRH100185

Aero Precision AR15 Parts .308 Bolt Carrier Group Nickel Boron APRH100185. 308 Bolt Carrier Group Nickel Boron APRH100185 ... more

Aero Precision AR15 Parts .308 Bolt Carrier Group Nickel Boron APRH100185

Aero Precision AR15 Parts .308 Bolt Carrier Group Nickel Boron APRH100185. 308 Bolt Carrier Group Nickel Boron APRH100185

OpticsPlanet

$239.49

FREE shipping

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Savage Arms Bolt Handle Assembly Savage 110BA Right Hand Tactical Knob Steel Matte

Savage Arms Bolt Handle Assembly Savage 110BA Right Hand Tactical Knob Steel Matte

This replacement part is a factory original from Savage Arms. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and... ... more

Savage Arms Bolt Handle Assembly Savage 110BA Right Hand Tactical Knob Steel Matte

This replacement part is a factory original from Savage Arms. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and...

MidwayUSA

(950,000+)

$39.99

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MidwayUSA

(950,000+)
Power Custom Fully CNC Machined Modified Bolt Assembly Ruger 10/22 Stainless Steel

Power Custom Fully CNC Machined Modified Bolt Assembly Ruger 10/22 Stainless Steel

This fully CNC machined bolt asembly from Power Custom is a great addition to any custom 10-22. All of the work has been done: surfaces have been trued, corners have been radiused, and firing pin protrusion and headspace have been set to correct specs.... ... more

Power Custom Fully CNC Machined Modified Bolt Assembly Ruger 10/22 Stainless Steel

This fully CNC machined bolt asembly from Power Custom is a great addition to any custom 10-22. All of the work has been done: surfaces have been trued, corners have been radiused, and firing pin protrusion and headspace have been set to correct specs....

MidwayUSA

(950,000+)

$119.99

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MidwayUSA

(950,000+)
DPMS Bolt Assembly LR-308 Matte

DPMS Bolt Assembly LR-308 Matte

DPMS offers replacement components for the AR-15 that are made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading exisitng components... ... more

DPMS Bolt Assembly LR-308 Matte

DPMS offers replacement components for the AR-15 that are made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading exisitng components...

MidwayUSA

(950,000+)

$109.99

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MidwayUSA

(950,000+)
Volquartsen Extended Bolt Handle and Recoil Spring Assembly Ruger 10/22 Black

Volquartsen Extended Bolt Handle and Recoil Spring Assembly Ruger 10/22 Black

Featuring the same machined bolt handle as their custom bolt assemblies, this Extended Bolt Handle is .25" longer than the factory bolt handle for a secure and comfortable grip. Recoil rod and rod spring are included. Recoil rod is polished and coated... ... more

Volquartsen Extended Bolt Handle and Recoil Spring Assembly Ruger 10/22 Black

Featuring the same machined bolt handle as their custom bolt assemblies, this Extended Bolt Handle is .25" longer than the factory bolt handle for a secure and comfortable grip. Recoil rod and rod spring are included. Recoil rod is polished and coated...

MidwayUSA

(950,000+)

$40.50

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MidwayUSA

(950,000+)
Black Rain Ordnance AR15 Parts Bolt Carrier Group Nickel Boron BROBCG

Black Rain Ordnance AR15 Parts Bolt Carrier Group Nickel Boron BROBCG

Black Rain Ordnance AR15 Parts Bolt Carrier Group Nickel Boron BROBCG. Black Rain Ordnance Bolt Carrier Group Nickel Boron BRO-BCG ... more

Black Rain Ordnance AR15 Parts Bolt Carrier Group Nickel Boron BROBCG

Black Rain Ordnance AR15 Parts Bolt Carrier Group Nickel Boron BROBCG. Black Rain Ordnance Bolt Carrier Group Nickel Boron BRO-BCG

OpticsPlanet

$216.99

FREE shipping

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Brownells M16 6.5 Grendel Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 6.5 Grendel Nitride

Brownells M16 6.5 Grendel Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 6.5 Grendel Nitride

The Brownells 6.5 Grendel Bolt Carrier Group provides users with a caliber-specific bolt carrier assembly that ensures reliable, premium performance at an affordable price. The Brownells 6.5 Grendel Bolt Carrier Group is constructed with two separate... ... more

Brownells M16 6.5 Grendel Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 6.5 Grendel Nitride

The Brownells 6.5 Grendel Bolt Carrier Group provides users with a caliber-specific bolt carrier assembly that ensures reliable, premium performance at an affordable price. The Brownells 6.5 Grendel Bolt Carrier Group is constructed with two separate...

Brownells

$109.99 $87.99

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J P Enterprises Ar-15/M16 6.5 Grendel Enhanced Bolt Assembly - Ar15 6.5 Grendel Bolt Assembly

J P Enterprises Ar-15/M16 6.5 Grendel Enhanced Bolt Assembly - Ar15 6.5 Grendel Bolt Assembly

Complete bolt assembly is precision machined from an ultra-strong steel alloy to last up to 10 times longer than a standard carbon steel bolt, minimizing the risk of bolt failure during a critical engagement. SAE 9310 steel has a tough, ductile inner... ... more

J P Enterprises Ar-15/M16 6.5 Grendel Enhanced Bolt Assembly - Ar15 6.5 Grendel Bolt Assembly

Complete bolt assembly is precision machined from an ultra-strong steel alloy to last up to 10 times longer than a standard carbon steel bolt, minimizing the risk of bolt failure during a critical engagement. SAE 9310 steel has a tough, ductile inner...

Brownells

$132.99

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Daniel Defense M16 5.56 Bolt Carrier Group - Complete Bolt/Carrier Group, M16

Daniel Defense M16 5.56 Bolt Carrier Group - Complete Bolt/Carrier Group, M16

Complete, mil-spec assembly with bolt, bolt carrier, and firing pin ready to drop into the rifle or carbine upper of your choice. Features a shot-peened bolt for increased surface strength and durability, and an extractor booster to ensure reliable... ... more

Daniel Defense M16 5.56 Bolt Carrier Group - Complete Bolt/Carrier Group, M16

Complete, mil-spec assembly with bolt, bolt carrier, and firing pin ready to drop into the rifle or carbine upper of your choice. Features a shot-peened bolt for increased surface strength and durability, and an extractor booster to ensure reliable...

Brownells

$185.00

FREE shipping

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Brownells M16 6.8mm Spc Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 6.8mm Spc / 224 Valky

Brownells M16 6.8mm Spc Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 6.8mm Spc / 224 Valky

The Brownells M16 6.8 SPC Bolt Carrier Group offers premium performance for AR-15-style rifle chambered in the unique 6.8 SPC cartridge, ensuring reliable and durable service. The Brownells M16 6.8 SPC Bolt Carrier Group features construction using... ... more

Brownells M16 6.8mm Spc Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 6.8mm Spc / 224 Valky

The Brownells M16 6.8 SPC Bolt Carrier Group offers premium performance for AR-15-style rifle chambered in the unique 6.8 SPC cartridge, ensuring reliable and durable service. The Brownells M16 6.8 SPC Bolt Carrier Group features construction using...

Brownells

$109.99 $84.99

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Brownells M16 5.56 Bolt Carrier Group Nickel Boron Mp - M16 Bolt Carrier Group 5.56x45mm Nickel Boro

Brownells M16 5.56 Bolt Carrier Group Nickel Boron Mp - M16 Bolt Carrier Group 5.56x45mm Nickel Boro

The Brownells M16 5.56 Complete Bolt Carrier Group is an affordable option that is built and tested to provide flawless operation in any AR-15 or M16. The Brownells M16 5.56 Complete Bolt Carrier Group features a bolt fabricated from 9310 steel that... ... more

Brownells M16 5.56 Bolt Carrier Group Nickel Boron Mp - M16 Bolt Carrier Group 5.56x45mm Nickel Boro

The Brownells M16 5.56 Complete Bolt Carrier Group is an affordable option that is built and tested to provide flawless operation in any AR-15 or M16. The Brownells M16 5.56 Complete Bolt Carrier Group features a bolt fabricated from 9310 steel that...

Brownells

$109.99 $94.99

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Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group

Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group

Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to the... ... more

Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group

Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to the...

Brownells

$175.99

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Brownells M16 5.56 Bolt Carrier Group Chrome Mp - M16 Chrome Bolt Carrier Group No Serrations

Brownells M16 5.56 Bolt Carrier Group Chrome Mp - M16 Chrome Bolt Carrier Group No Serrations

Classic Retro Chrome M16 Bolt Carrier Groups match the finish of the bolt found on the earliest AR-15 & M16 rifles introduced. The Brownells M16 Chrome 5.56 Complete Bolt Carrier Group included a bolt machined from 9310 steel, which is magnetic... ... more

Brownells M16 5.56 Bolt Carrier Group Chrome Mp - M16 Chrome Bolt Carrier Group No Serrations

Classic Retro Chrome M16 Bolt Carrier Groups match the finish of the bolt found on the earliest AR-15 & M16 rifles introduced. The Brownells M16 Chrome 5.56 Complete Bolt Carrier Group included a bolt machined from 9310 steel, which is magnetic...

Brownells

$149.99 $99.99

FREE shipping

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Brownells M16 5.56 Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 5.56x45mm Nitride Mp

Brownells M16 5.56 Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 5.56x45mm Nitride Mp

The Brownells M16 5.56 Complete Bolt Carrier Group is designed to work easily and reliably in any AR-15 or M16 rifle chambered in 5.56x45mm, 300 AAC Blackout or .223 Remington. The Brownells M16 5.56 Complete Bolt Carrier Group is constructed with a... ... more

Brownells M16 5.56 Bolt Carrier Group Nitride Mp - M16 Bolt Carrier Group 5.56x45mm Nitride Mp

The Brownells M16 5.56 Complete Bolt Carrier Group is designed to work easily and reliably in any AR-15 or M16 rifle chambered in 5.56x45mm, 300 AAC Blackout or .223 Remington. The Brownells M16 5.56 Complete Bolt Carrier Group is constructed with a...

Brownells

$89.99 $74.99

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Anderson Manufacturing M16 5.56 Bolt Carrier Group - M16 5.56 Complete Bolt Carrier Group

Anderson Manufacturing M16 5.56 Bolt Carrier Group - M16 5.56 Complete Bolt Carrier Group

The Anderson Manufacturing M16 5.56 Complete Bolt Carrier Group features a 9310 steel bolt and 8620 steel carrier. The bolt is magnetic particle inspected (MPI), and the extractor includes an O-ring insert for positive extraction. Carrier and gas key... ... more

Anderson Manufacturing M16 5.56 Bolt Carrier Group - M16 5.56 Complete Bolt Carrier Group

The Anderson Manufacturing M16 5.56 Complete Bolt Carrier Group features a 9310 steel bolt and 8620 steel carrier. The bolt is magnetic particle inspected (MPI), and the extractor includes an O-ring insert for positive extraction. Carrier and gas key...

Brownells

$114.99

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Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group W/ Hammer

Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group W/ Hammer

Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to the... ... more

Wmd Guns M16 5.56 Nickel Boron Bolt Carrier Groups - M16 Nib-X Bolt Carrier Group W/ Hammer

Each WMD bolt-and-carrier set is precisely machined from high-grade steel alloy to government M16 specs, then given WMD's proprietary NiB-X nickel boron coating that results in a super-smooth, harder-than-chrome surface. NiB-X reduces friction to the...

Brownells

$184.99

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Brownells M16 Mil-Spec Mp/Hpt Bolt Carrier Group - M16 Nitride Bolt Carrier Group Mp/Hpt C158

Brownells M16 Mil-Spec Mp/Hpt Bolt Carrier Group - M16 Nitride Bolt Carrier Group Mp/Hpt C158

Complete M16 Bolt Carrier Group: Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin Every Bolt is High Pressure Tested (HPT) with a proof load Following the High Pressure... ... more

Brownells M16 Mil-Spec Mp/Hpt Bolt Carrier Group - M16 Nitride Bolt Carrier Group Mp/Hpt C158

Complete M16 Bolt Carrier Group: Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin Every Bolt is High Pressure Tested (HPT) with a proof load Following the High Pressure...

Brownells

$139.99 $109.99

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Brownells M16 5.56 Side Charging Bolt Carrier Group - Side Charging M16 Bolt Carrier Group

Brownells M16 5.56 Side Charging Bolt Carrier Group - Side Charging M16 Bolt Carrier Group

Specifically designed for the American Spirit Arms Side Charging Upper Complete M16 Bolt Carrier Group: Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin Bolt is Magnetic... ... more

Brownells M16 5.56 Side Charging Bolt Carrier Group - Side Charging M16 Bolt Carrier Group

Specifically designed for the American Spirit Arms Side Charging Upper Complete M16 Bolt Carrier Group: Fully assembled Bolt Carrier Group; including the bolt, bolt carrier, gas key, firing pin, cam pin, and firing pin retaining pin Bolt is Magnetic...

Brownells

$169.99 $129.99

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