Best Seller
Geissele Reaction Rod LR-308, AR-10, SR25 Vise Block Steel

Geissele Reaction Rod LR-308, AR-10, SR25 Vise Block Steel

FeaturesMade of 4140 Chrome Moly SteelGround to exact diameterEnters upper receiver with no wobble The AR10/SR25 Reaction Rod makes the removal and installation of barrels, flash hiders, gas blocks and hand guards much easier and simpler. The Reaction... more

$199.00

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MidwayUSA

(950,000+)
Wmd Guns Ar-15 5.56 Nickel Boron Bolt Carrier Groups - Ar-15 Nib-X Bolt & Carrier Group W/Hammer

Wmd Guns Ar-15 5.56 Nickel Boron Bolt Carrier Groups - Ar-15 Nib-X Bolt & Carrier Group W/Hammer

Free Shipping on Orders Over $100. Use code PJS.

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

$176.99

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Best Seller
Fn Ar-15/M16 5.56x45mm Cold Hammer Forged Barrels - 14.5" Chf Government Carbine, 5.56x45mm 1:7 Rh T

Fn Ar-15/M16 5.56x45mm Cold Hammer Forged Barrels - 14.5" Chf Government Carbine, 5.56x45mm 1:7 Rh T

Free Shipping on Orders Over $100. Use code PJS.

With its more than 100-year legacy of exceptional barrel manufacturing, FNH USA has long perfected the cold hammer forging process to ensure accuracy and durability. These AR-15/M16 barrels are hammer forged using the same proprietary high-grade Chrome... more

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$299.00

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Alg Defense Ar-15 Enhanced Military-Style Triggers - Qms Ar-15 Trigger Set

Alg Defense Ar-15 Enhanced Military-Style Triggers - Qms Ar-15 Trigger Set

Free Shipping on Orders Over $100. Use code PJS.

Trigger/hammer kits feature rugged military-type components carefully prepped to give a smoother trigger pull while maintaining the original geometry for maximum reliability. These are "enhanced standard" triggers, so the armorer continues to work with... more

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$45.99

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Wilson Combat Low Profile Adjustable Gas Block with Carbine Length Gas Tube AR-15, LR-308 Standard Barrel 0.750" Inside Diameter Steel Matte

Wilson Combat Low Profile Adjustable Gas Block with Carbine Length Gas Tube AR-15, LR-308 Standard Barrel 0.750" Inside Diameter Steel Matte

The Wilson Combat AR-15 Adjustable Gas Block is perfect for a new AR-15 build or upgrading an existing rifle. The adjustable gas block will allow the user to control the cyclic rate of a direct gas impingement rifle, enhancing reliability and making... more

$76.99

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MidwayUSA

(950,000+)
Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

The Del-Ton complete upper receiver assembly features a flat top upper receiver with a 16" M4 profile FNH hammer-forged barrel with double chrome lining. The 5.56x45mm NATO chamber, 1 in 7" twist, and M4 feed ramps ensure reliability with a wide... more

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$569.99

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MidwayUSA

(950,000+)
Ballistic Advantage 16" 5.56 BA Hanson Midlength AR-15 Barrel w/ Lo Pro, Performance Series w/ Pinned .625" Lo-Pro Gas Block

Ballistic Advantage 16" 5.56 BA Hanson Midlength AR-15 Barrel w/ Lo Pro, Performance Series w/ Pinned .625" Lo-Pro Gas Block

This Ballistic Advantage Performance Series 16" 5.56 Hanson Profile Barrel is machined using 4150 Chrome Moly Vanadium steel with a QPQ Nitride Finish. Performance Series barrels are enhanced with a FailZero Nickel Boron Coated M4 Feed Ramp Extension... more

$235.00 $222.95

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AR-15 Light Shorty Switchblock 556NATO 10.5 Inch Cold Hammer Forged Chrome Lined Barrel Upper

AR-15 Light Shorty Switchblock 556NATO 10.5 Inch Cold Hammer Forged Chrome Lined Barrel Upper

AR-15 Light Shorty Switchblock 556NATO 10.5 Inch Cold Hammer Forged Chrome Lined Barrel Upper. 5 Inch Cold Hammer Forged Chrome Lined Barrel Upper FSBR/Pistol Only with 9.5 Inch SB Rail Black NV03000131 more

$1,705.25

FREE shipping

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Ballistic Advantage 16" 5.56 Government Profile Midlength AR-15 Barrel, Modern Series

Ballistic Advantage 16" 5.56 Government Profile Midlength AR-15 Barrel, Modern Series

Brand Ballistic Advantage Length 16" Chamber 5.56 NATO (shoots both 5.56 NATO and .223) Profile GOVT / SOCOM Finish QPQ Nitride Barrel Steel 4150V Chrome Moly Twist Rate 1:7 Gas System Length Mid-Length Gas Block Journal .750 Feed Ramp Extension M4... more

$165.00 $155.95

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Toolcraft .223/5.56/300BLK M16 Profile Bolt Carrier Group - Nickel Boron

Toolcraft .223/5.56/300BLK M16 Profile Bolt Carrier Group - Nickel Boron

The quality and performance of your bolt carrier group is essential to how well your AR-15 functions. The BCG performs many crucial tasks such as: chambering each round, extraction and ejection, and it resets the hammer as it moves rearward during the... more

$139.95 $104.95

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FNH AR-15 HammerForged 20" 5.56mm RifleGasSys

FNH AR-15 HammerForged 20" 5.56mm RifleGasSys

With its more than 100-year legacy of exceptional barrel manufacturing, FNH USA has long since perfected the cold hammer forging process to ensure accuracy and durability. FN AR-15 barrels are hammer forged using the same proprietary high-grade Chrome... more

$299.00

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AR-15 HammerForged 16" 5.56mm MidGasSys - FN 36422

AR-15 HammerForged 16" 5.56mm MidGasSys - FN 36422

AR-15 HammerForged 16" 5.56mm MidGasSys - FN 36422With its more than 100-year legacy of exceptional barrel manufacturing, FN USA has long since perfected the cold hammer forging process to ensure accuracy and durability. FN AR-15 barrels are hammer... more

$299.00

FREE shipping

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FNH AR-15 HammerForged 18" 5.56mm RifleGasSys

FNH AR-15 HammerForged 18" 5.56mm RifleGasSys

With its more than 100-year legacy of exceptional barrel manufacturing, FNH USA has long since perfected the cold hammer forging process to ensure accuracy and durability. FN AR-15 barrels are hammer forged using the same proprietary high-grade Chrome... more

$299.00

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AR-15 HammerForged 20" 5.56mm RifleGasSys - FN 36424

AR-15 HammerForged 20" 5.56mm RifleGasSys - FN 36424

AR-15 HammerForged 20" 5.56mm RifleGasSys - FN 36424With its more than 100-year legacy of exceptional barrel manufacturing, FN USA has long since perfected the cold hammer forging process to ensure accuracy and durability. FN AR-15 barrels are hammer... more

$299.00

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AR-15 HammerForged 16" 5.56mm CarbGasSys - FN 36421

AR-15 HammerForged 16" 5.56mm CarbGasSys - FN 36421

AR-15 HammerForged 16" 5.56mm CarbGasSys - FN 36421With its more than 100-year legacy of exceptional barrel manufacturing, FN USA has long since perfected the cold hammer forging process to ensure accuracy and durability. FN AR-15 barrels are hammer... more

$299.00

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FN BBL AR15 HF 16" MIDLENGTH

FN BBL AR15 HF 16" MIDLENGTH

With its more than 100-year legacy of exceptional barrel manufacturing, FNH USA has long since perfected the cold hammer forging process to ensure accuracy and durability. FN AR-15 barrels are hammer forged using the same proprietary high-grade Chrome... more

$299.00

FREE shipping

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Fn Ar-15/M16 5.56x45mm Cold Hammer Forged Barrels - 20" Chf Government Rifle, 5.56x45mm 1:7 Rh Twist

Fn Ar-15/M16 5.56x45mm Cold Hammer Forged Barrels - 20" Chf Government Rifle, 5.56x45mm 1:7 Rh Twist

Free Shipping on Orders Over $100. Use code PJS.

With its more than 100-year legacy of exceptional barrel manufacturing, FNH USA has long perfected the cold hammer forging process to ensure accuracy and durability. These AR-15/M16 barrels are hammer forged using the same proprietary high-grade Chrome... more

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$299.00

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Cmmg Ar-15/M16 5.56mm Barrels - Ar15 16" 5.56 Barrel 4140 Mt

Cmmg Ar-15/M16 5.56mm Barrels - Ar15 16" 5.56 Barrel 4140 Mt

Free Shipping on Orders Over $100. Use code PJS.

Chambered in 5.56mm NATO, these medium profile barrels feature a 1-7 twist with 1/2"-28 muzzle threads, and accept .750" diameter gas blocks. Barrels are available in either 416 stainless steel or 4140 chrome moly steel with a nitride finish.Select... more

$175.99

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Critical Capabilities Ar-15 Barrel .223 Wylde Hbar Profile - Barrel 223 Wyle 16" Carbine Length Blac

Critical Capabilities Ar-15 Barrel .223 Wylde Hbar Profile - Barrel 223 Wyle 16" Carbine Length Blac

Free Shipping on Orders Over $100. Use code PJS.

New from Critical Capabilities is their 16" .223 Wylde AR-15 threaded barrel in HBAR contour. This carbine length Chrome Moly barrel is .750 diameter at the gas block and features a black phosphate finish. HBAR contour .750" diameter at gas block... more

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$71.99

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Cmmg Ar-15/M16 5.56mm Barrels - Ar15 16" 5.56 Barrel 416ss Mt

Cmmg Ar-15/M16 5.56mm Barrels - Ar15 16" 5.56 Barrel 416ss Mt

Free Shipping on Orders Over $100. Use code PJS.

Chambered in 5.56mm NATO, these medium profile barrels feature a 1-7 twist with 1/2"-28 muzzle threads, and accept .750" diameter gas blocks. Barrels are available in either 416 stainless steel or 4140 chrome moly steel with a nitride finish.Select... more

$162.99

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Wilson Combat Low Profile Adjustable Gas Block with Rifle Length Gas Tube AR-15, LR-308 Standard Barrel 0.750" Inside Diameter Steel Matte

Wilson Combat Low Profile Adjustable Gas Block with Rifle Length Gas Tube AR-15, LR-308 Standard Barrel 0.750" Inside Diameter Steel Matte

The Wilson Combat AR-15 Adjustable Gas Block is perfect for a new AR-15 build or upgrading an existing rifle. The adjustable gas block will allow the user to control the cyclic rate of a direct gas impingement rifle, enhancing reliability and making... more

$76.99

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MidwayUSA

(950,000+)
Cmmg Ar-15 Gas Block Assemblies, Low Profile - Ar-15 Gas Block Assembly, Low Profile, .936

Cmmg Ar-15 Gas Block Assemblies, Low Profile - Ar-15 Gas Block Assembly, Low Profile, .936

Free Shipping on Orders Over $100. Use code PJS.

Made from 4140 Chrome Moly Steel, the low profile gas blocks come with the gas block and installation screws. Available in .625", .750", and .936" diameters. Mfg: Cmmg more

$39.99

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Dpms Ar-15 7.5" 5.56 Barrel Chrome Lined 1-9 1/2-28

Dpms Ar-15 7.5" 5.56 Barrel Chrome Lined 1-9 1/2-28

Free Shipping on Orders Over $100. Use code PJS.

This 7.5" AR-15 barrel is ready for your next SBR or Pistol build. Featuring a chrome lined bore and 5.56 chamber, this barrel will serve you for thousands of rounds. The barrel also has a cutdown front sight base, to serve as a pinned gas block.... more

$209.99

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CMMG Barrel AR-15 300 AAC Blackout (7.62x35mm) Multi-Role Contour 1 in 7" Twist 16" Carbine Gas Port Chrome Moly Matte

CMMG Barrel AR-15 300 AAC Blackout (7.62x35mm) Multi-Role Contour 1 in 7" Twist 16" Carbine Gas Port Chrome Moly Matte

The CMMG 300 AAC Blackout Barrel features 1 in 7" twist rifling and a carbine length gas system. The muzzle is threaded 5/8"-24 for use with muzzle brakes, flash suppressors, or sound suppressors. Gas block and gas tube not included. The barrel is... more

$179.99

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MidwayUSA

(950,000+)
Yankee Hill Machine Co. Ar-15 5.56 16" Black Diamond Specter Upper Receiver - Black Diamond Specter

Yankee Hill Machine Co. Ar-15 5.56 16" Black Diamond Specter Upper Receiver - Black Diamond Specter

Free Shipping on Orders Over $100. Use code PJS.

Flattop upper comes with high-end custom features and accessories already installed, ready to snap on the mil-spec lower receiver of your choice. Comes fully assembled with bolt/carrier, charging handle, tactical handguard, gas block, and... more

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$986.99

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ALG Defense Quality Mil-Spec Trigger Group AR-15, LR-308 Small Pin .154" Single Stage Matte

ALG Defense Quality Mil-Spec Trigger Group AR-15, LR-308 Small Pin .154" Single Stage Matte

FeaturesMeets U.S. Military Specifications for the M4 CarbineAverage Pull Weight of 6.5 PoundsTrigger & Hammer are 8620 SteelDisconnector is 1070 High Carbon SteelHardened 0.001" Oversized PinsFull Power Hammer Spring for Reliable IgnitionThe ALG... more

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$49.00

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MidwayUSA

(950,000+)
Cmmg Ar-15 Gas Block Assemblies, Low Profile - Ar15 Gas Block Assy, Low Profile, .625

Cmmg Ar-15 Gas Block Assemblies, Low Profile - Ar15 Gas Block Assy, Low Profile, .625

Free Shipping on Orders Over $100. Use code PJS.

Made from 4140 Chrome Moly Steel, the low profile gas blocks come with the gas block and installation screws. Available in .625", .750", and .936" diameters. Mfg: Cmmg more

$38.99

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Cmmg Ar-15 Gas Block Assemblies, Low Profile - Ar-15 Gas Block Assembly, Low Profile, .750

Cmmg Ar-15 Gas Block Assemblies, Low Profile - Ar-15 Gas Block Assembly, Low Profile, .750

Free Shipping on Orders Over $100. Use code PJS.

Made from 4140 Chrome Moly Steel, the low profile gas blocks come with the gas block and installation screws. Available in .625", .750", and .936" diameters. Mfg: Cmmg more

$33.99

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Double Star Ar-15 16" Ds-4 Barreled Upper With Low Profile Gas Block - Ar-15 16" Ds-4 Barreled Upper

Double Star Ar-15 16" Ds-4 Barreled Upper With Low Profile Gas Block - Ar-15 16" Ds-4 Barreled Upper

Free Shipping on Orders Over $100. Use code PJS.

Double Star Upper with 16" DS-4 Barrel, ready to be your next build's foundation. DS-4 barrel features a 1-9 twist, M4 feedramps and a matte black, phosphate finish. Barrel is chambered in 5.56x45mm NATO, and does not have chrome lining. Flat top upper... more

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$277.99

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Criterion Barrels Inc Ar-15/M16 Hbar Rifle Barrels - 20" Hbar Rifle Barrel W/ Headspaced Bolt

Criterion Barrels Inc Ar-15/M16 Hbar Rifle Barrels - 20" Hbar Rifle Barrel W/ Headspaced Bolt

Free Shipping on Orders Over $100. Use code PJS.

The Chrome Moly AR-15 HBAR contour barrels feature a gas port drilled for a .750 gas block. An indent is provided opposite the gas port to enable easy installation. Also included is an M4 barrel extension. These barrels accept muzzle devices with a... more

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$349.99

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Criterion Barrels Inc Ar-15/M16 Hbar Rifle Barrels - 18" Hbar Rifle Barrel W/ Headspaced Bolt

Criterion Barrels Inc Ar-15/M16 Hbar Rifle Barrels - 18" Hbar Rifle Barrel W/ Headspaced Bolt

Free Shipping on Orders Over $100. Use code PJS.

The Chrome Moly AR-15 HBAR contour barrels feature a gas port drilled for a .750 gas block. An indent is provided opposite the gas port to enable easy installation. Also included is an M4 barrel extension. These barrels accept muzzle devices with a... more

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$349.99

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Brownells Ar-15/M16/M4 Hammer Springs - M16/M4 Hammer Spring Burst Fire, 3-Pak

Brownells Ar-15/M16/M4 Hammer Springs - M16/M4 Hammer Spring Burst Fire, 3-Pak

Free Shipping on Orders Over $100. Use code PJS.

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... more

$3.99

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Brownells Ar-15/M16/M4 Hammer Springs - M16/M4 Hammer Spring Burst Fire, Each

Brownells Ar-15/M16/M4 Hammer Springs - M16/M4 Hammer Spring Burst Fire, Each

Free Shipping on Orders Over $100. Use code PJS.

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... more

$2.99

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Cmmg Ar-15/M16 5.56mm Barrels - Ar15 18" 5.56 Barrel 416ss Mt

Cmmg Ar-15/M16 5.56mm Barrels - Ar15 18" 5.56 Barrel 416ss Mt

Free Shipping on Orders Over $100. Use code PJS.

Chambered in 5.56mm NATO, these medium profile barrels feature a 1-7 twist with 1/2"-28 muzzle threads, and accept .750" diameter gas blocks. Barrels are available in either 416 stainless steel or 4140 chrome moly steel with a nitride finish.Select... more

$193.99

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Alg Defense Ar-15 Alg Trigger With Dpms Lower Parts Kit - Qms Trigger W/ Lower Parts Kit

Alg Defense Ar-15 Alg Trigger With Dpms Lower Parts Kit - Qms Trigger W/ Lower Parts Kit

Free Shipping on Orders Over $100. Use code PJS.

Trigger/hammer kits feature rugged military-type components carefully prepped to give a smoother trigger pull while maintaining the original geometry for maximum reliability. These are "enhanced standard" triggers, so the armorer continues to work with... more

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$99.99

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Cmmg Ar-15/M16 5.56mm Barrels - Ar15 12.5" 5.56 Barrel 4140 Mt

Cmmg Ar-15/M16 5.56mm Barrels - Ar15 12.5" 5.56 Barrel 4140 Mt

Free Shipping on Orders Over $100. Use code PJS.

Chambered in 5.56mm NATO, these medium profile barrels feature a 1-7 twist with 1/2"-28 muzzle threads, and accept .750" diameter gas blocks. Barrels are available in either 416 stainless steel or 4140 chrome moly steel with a nitride finish.Select... more

$213.99

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ERGO Adjustable Low Profile Gas Block AR-15, LR-308 Standard Barrel .750" Inside Diameter Steel Melonite

ERGO Adjustable Low Profile Gas Block AR-15, LR-308 Standard Barrel .750" Inside Diameter Steel Melonite

FeaturesFull shutoff with zero adjustment movementChamfered edge, semi-press fitFits under most free float handguardsSame profile/height as the standard low-profile gas blockIncludes (2) set screws for a secure attachmentIncludes 10-32 Set-Screw and a... more

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$45.50

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MidwayUSA

(950,000+)
FN Barrel AR-15 5.56x45mm NATO Government Contour Carbine Length Gas Port 1 in 7" Twist 16" Hammer Forged Chrome Lined Chrome Moly Matte

FN Barrel AR-15 5.56x45mm NATO Government Contour Carbine Length Gas Port 1 in 7" Twist 16" Hammer Forged Chrome Lined Chrome Moly Matte

FN AR­15 barrels are hammer forged using the same proprietary high­ grade Chrome Moly Venadium steel used in FN’s venerable machinegun barrels produced to handle the punishment of sustained fully­ automatic fire. After forging, each barrel is Magnetic... more

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$299.00

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MidwayUSA

(950,000+)
FN Barrel AR-15 Pistol 5.56x45mm NATO Government Contour Carbine Length Gas Port 1 in 7" Twist 14.5" Hammer Forged Chrome Lined Chrome Moly Matte

FN Barrel AR-15 Pistol 5.56x45mm NATO Government Contour Carbine Length Gas Port 1 in 7" Twist 14.5" Hammer Forged Chrome Lined Chrome Moly Matte

FN AR­15 barrels are hammer forged using the same proprietary high­grade Chrome Moly Venadium steel used in FN’s venerable machinegun barrels produced to handle the punishment of sustained fully­automatic fire. After forging, each barrel is Magnetic... more

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$299.00

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MidwayUSA

(950,000+)
Brownells Ar-15/M16/M4 Hammer Springs - Ar-15/M16 Hammer Spring, Each

Brownells Ar-15/M16/M4 Hammer Springs - Ar-15/M16 Hammer Spring, Each

Free Shipping on Orders Over $100. Use code PJS.

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... more

$2.99

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