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Bushmaster Upper 223rem A3 16" M4 Patrolman's Carbine

Bushmaster Upper 223rem A3 16" M4 Patrolman's Carbine

Bushmaster Upper 223rem A3 16" M4 Patrolman's Carbine Bushmaster M4A3 Upper Assembly .223 Remington/5.56 NATO 16" M4 chrome lined barrel with permanently attached "izzy" muzzle brake 1:9" twist Flat Top receiver Two Piece pla

at LG Outdoors

Best Seller
Bushmaster XM-15 AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel

Bushmaster XM-15 AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel

This Bushmaster A3 upper assembly will attach to virtually any standard AR-15 lower receiver. Comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. With a 1 in 7" twist, the 16" nitrided barrel... ... more

Bushmaster XM-15 AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel

This Bushmaster A3 upper assembly will attach to virtually any standard AR-15 lower receiver. Comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. With a 1 in 7" twist, the 16" nitrided barrel...

MidwayUSA

(950,000+)

$619.99

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MidwayUSA

(950,000+)
Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist M4 Contour Barrel

Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist M4 Contour Barrel

This Del-Ton M4 Carbine Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The forged 7075 T6 Aluminum upper features a 16" M4 Contour Barrel, Carbine-Length Gas System, F-Marked... ... more

Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 7" Twist M4 Contour Barrel

This Del-Ton M4 Carbine Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The forged 7075 T6 Aluminum upper features a 16" M4 Contour Barrel, Carbine-Length Gas System, F-Marked...

MidwayUSA

(950,000+)

$459.99

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MidwayUSA

(950,000+)
Best Seller
AR-STONER Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm 1 in 10" Twist 16" Barrel

AR-STONER Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm 1 in 10" Twist 16" Barrel

MidwayUSA is proud to offer this AR-Stoner Carbine Kit at an exceptional price! This AR-Stoner carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a heavy profile barrel. The A3 upper will attach to... ... more

AR-STONER Carbine Kit with Complete Upper Assembly AR-15 7.62x39mm 1 in 10" Twist 16" Barrel

MidwayUSA is proud to offer this AR-Stoner Carbine Kit at an exceptional price! This AR-Stoner carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a heavy profile barrel. The A3 upper will attach to...

MidwayUSA

(950,000+)

$459.99

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MidwayUSA

(950,000+)
Spikes Tactical Spikes ST-15 Law Enforcement Carbine Upper 5.56 16 M4 Profile Barrel Quad Rail Black

Spikes Tactical Spikes ST-15 Law Enforcement Carbine Upper 5.56 16 M4 Profile Barrel Quad Rail Black

Spikes Tactical Spikes ST-15 Law Enforcement Carbine Upper 5.56 16 M4 Profile Barrel Quad Rail Black. 56 16 M4 Profile Barrel Quad Rail Black ... more

Spikes Tactical Spikes ST-15 Law Enforcement Carbine Upper 5.56 16 M4 Profile Barrel Quad Rail Black

Spikes Tactical Spikes ST-15 Law Enforcement Carbine Upper 5.56 16 M4 Profile Barrel Quad Rail Black. 56 16 M4 Profile Barrel Quad Rail Black

OpticsPlanet

$701.10

FREE shipping

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Windham Weaponry Windham Upper 223Rem/5.56NATO 16 M4 Profile No Hndl 4150 Steel Blk

Windham Weaponry Windham Upper 223Rem/5.56NATO 16 M4 Profile No Hndl 4150 Steel Blk

Windham Weaponry Windham Upper 223Rem/5.56NATO 16 M4 Profile No Hndl 4150 Steel Blk. 56NATO 16 M4 Profile No Hndl 4150 Steel Blk ... more

Windham Weaponry Windham Upper 223Rem/5.56NATO 16 M4 Profile No Hndl 4150 Steel Blk

Windham Weaponry Windham Upper 223Rem/5.56NATO 16 M4 Profile No Hndl 4150 Steel Blk. 56NATO 16 M4 Profile No Hndl 4150 Steel Blk

OpticsPlanet

$476.49

FREE shipping

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Anderson Manufacturing AR15 Upper Receivers EXT 16 Inches M4 Complete Upper B2K614AF000P

Anderson Manufacturing AR15 Upper Receivers EXT 16 Inches M4 Complete Upper B2K614AF000P

Anderson Manufacturing AR15 Upper Receivers EXT 16 Inches M4 Complete Upper B2K614AF000P. Anderson Manufacturing EXT 16 inches M4 Complete Upper B2-K614-AF00-0P ... more

Anderson Manufacturing AR15 Upper Receivers EXT 16 Inches M4 Complete Upper B2K614AF000P

Anderson Manufacturing AR15 Upper Receivers EXT 16 Inches M4 Complete Upper B2K614AF000P. Anderson Manufacturing EXT 16 inches M4 Complete Upper B2-K614-AF00-0P

OpticsPlanet

$459.99

FREE shipping

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Aero Precision Ar-15 Assembled Upper Receiver 16" 5.56mm Carbine Length - Ar-15 Assembled Upper Rece

Aero Precision Ar-15 Assembled Upper Receiver 16" 5.56mm Carbine Length - Ar-15 Assembled Upper Rece

Aero Precision's AR-15 5.56mm 16" Carbine Upper Receiver closely resembles the military's M4 flattop upper and comes fully assembled. The charging handle and bolt/carrier group are omitted, since AR-15 fans who assemble their own rifles usually prefer... ... more

Aero Precision Ar-15 Assembled Upper Receiver 16" 5.56mm Carbine Length - Ar-15 Assembled Upper Rece

Aero Precision's AR-15 5.56mm 16" Carbine Upper Receiver closely resembles the military's M4 flattop upper and comes fully assembled. The charging handle and bolt/carrier group are omitted, since AR-15 fans who assemble their own rifles usually prefer...

Brownells

$288.99

FREE shipping

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Aero Precision AR-15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB & M4 Handguard

Aero Precision AR-15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB & M4 Handguard

Manufacturer’s Description This AR-15 Complete Upper features a 16" 5.56 Carbine Length Barrel w/ Pinned FSB, M4 Handguard Features: Upper: Standard AR-15 Upper Receiver Barrel: 16" 5.56 CMV Carbine Length Barrel w/ Pinned FSB Handguard: M4 Style... ... more

Aero Precision AR-15 Complete Upper, 16" 5.56 Carbine Barrel with Pinned FSB & M4 Handguard

Manufacturer’s Description This AR-15 Complete Upper features a 16" 5.56 Carbine Length Barrel w/ Pinned FSB, M4 Handguard Features: Upper: Standard AR-15 Upper Receiver Barrel: 16" 5.56 CMV Carbine Length Barrel w/ Pinned FSB Handguard: M4 Style...

AR15Discounts.com

$324.99 $289.95

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Alex Pro Firearms 450 Bushmaster Carbine 16" 5+1

Alex Pro Firearms 450 Bushmaster Carbine 16" 5+1

When you're going after whitetail deer or dealing with hogs, having a large-caliber semi-auto rifle on-hand is a great choice, and the APF Carbine in .450 Bushmaster is built to provide hard-hitting power in a compact platform. Built with a 16-inch... ... more

Alex Pro Firearms 450 Bushmaster Carbine 16" 5+1

When you're going after whitetail deer or dealing with hogs, having a large-caliber semi-auto rifle on-hand is a great choice, and the APF Carbine in .450 Bushmaster is built to provide hard-hitting power in a compact platform. Built with a 16-inch...

Brownells

$1,079.99

FREE shipping

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Double Star Ar-15/M16 Upper Receiver Assembly - Ar-15 16" Ds-4 Upper W/ Fsb - No Bbl Nut Or Delta Ri

Double Star Ar-15/M16 Upper Receiver Assembly - Ar-15 16" Ds-4 Upper W/ Fsb - No Bbl Nut Or Delta Ri

From Double Star is the M4 16" carbine upper assembly. Included with the assembly is a T-marked Flattop upper receiver assembled with M4 feed ramps, forward assist, and ejection port cover. The M4 profile barrel includes a front sight base assembly. It... ... more

Double Star Ar-15/M16 Upper Receiver Assembly - Ar-15 16" Ds-4 Upper W/ Fsb - No Bbl Nut Or Delta Ri

From Double Star is the M4 16" carbine upper assembly. Included with the assembly is a T-marked Flattop upper receiver assembled with M4 feed ramps, forward assist, and ejection port cover. The M4 profile barrel includes a front sight base assembly. It...

Brownells

$256.99 $199.99

FREE shipping

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Adams Arms 16-inch Carbine Base 5.56 Complete Upper Assembly

Adams Arms 16-inch Carbine Base 5.56 Complete Upper Assembly

"Adams Arms 16"" AR15 5.56 Carbine Base Complete Piston Upper AssemblyAdams Arms is well known for their AR-15 piston kits, now they are producing their own complete uppers. Their quality is excellent and their price makes them, in our opinion, one of... ... more

Adams Arms 16-inch Carbine Base 5.56 Complete Upper Assembly

"Adams Arms 16"" AR15 5.56 Carbine Base Complete Piston Upper AssemblyAdams Arms is well known for their AR-15 piston kits, now they are producing their own complete uppers. Their quality is excellent and their price makes them, in our opinion, one of...

$609.99 $539.95

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ATG Tactical AR-15 M4 Rifle Fully Padded Discreet Carbine Case PAL Webbing Lockable Zipper

ATG Tactical AR-15 M4 Rifle Fully Padded Discreet Carbine Case PAL Webbing Lockable Zipper

This Carbine Case will fit an AR-15/ M4 carbine with a 16” Barrel, with the Carbine broken down into the separate Upper & Lower Receivers.Fully Padded Carbine Case to protect your rifle and gear.Lockable Heavy Duty Zipper for the Main Compartment, Lock... ... more

ATG Tactical AR-15 M4 Rifle Fully Padded Discreet Carbine Case PAL Webbing Lockable Zipper

This Carbine Case will fit an AR-15/ M4 carbine with a 16” Barrel, with the Carbine broken down into the separate Upper & Lower Receivers.Fully Padded Carbine Case to protect your rifle and gear.Lockable Heavy Duty Zipper for the Main Compartment, Lock...

$54.99 $44.99

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ATG Tactical AR-15 M4 Rifle Fully Padded Discreet Carbine Case PAL Webbing Lockable Zipper

ATG Tactical AR-15 M4 Rifle Fully Padded Discreet Carbine Case PAL Webbing Lockable Zipper

This Carbine Case will fit an AR-15/ M4 carbine with a 16” Barrel, with the Carbine broken down into the separate Upper & Lower Receivers.Fully Padded Carbine Case to protect your rifle and gear.Lockable Heavy Duty Zipper for the Main Compartment, Lock... ... more

ATG Tactical AR-15 M4 Rifle Fully Padded Discreet Carbine Case PAL Webbing Lockable Zipper

This Carbine Case will fit an AR-15/ M4 carbine with a 16” Barrel, with the Carbine broken down into the separate Upper & Lower Receivers.Fully Padded Carbine Case to protect your rifle and gear.Lockable Heavy Duty Zipper for the Main Compartment, Lock...

$54.99 $44.99

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CMMG AR-15 M4 LE A3 Upper Receiver Assembly 9mm Luger 16" Barrel

CMMG AR-15 M4 LE A3 Upper Receiver Assembly 9mm Luger 16" Barrel

This complete CMMG AR-15 M4 LE Upper Assembly features a chrome-moly steel barrel. The upper makes use of a ramped, 9mm-specific bolt that enables the use of a standard AR-15 hammer (dedicated 9mm hammers are not compatible), and comes complete with a... ... more

CMMG AR-15 M4 LE A3 Upper Receiver Assembly 9mm Luger 16" Barrel

This complete CMMG AR-15 M4 LE Upper Assembly features a chrome-moly steel barrel. The upper makes use of a ramped, 9mm-specific bolt that enables the use of a standard AR-15 hammer (dedicated 9mm hammers are not compatible), and comes complete with a...

MidwayUSA

(950,000+)

$705.99

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MidwayUSA

(950,000+)
AR-STONER Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm NATO 1 in 9" Twist 16" Barrel

AR-STONER Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm NATO 1 in 9" Twist 16" Barrel

MidwayUSA is proud to offer this AR-Stoner Carbine Kit at an exceptional price! This AR-Stoner carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a government profile barrel. The A3 upper will attach... ... more

AR-STONER Carbine Kit with Complete Upper Assembly AR-15 5.56x45mm NATO 1 in 9" Twist 16" Barrel

MidwayUSA is proud to offer this AR-Stoner Carbine Kit at an exceptional price! This AR-Stoner carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a government profile barrel. The A3 upper will attach...

MidwayUSA

(950,000+)

$459.99

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MidwayUSA

(950,000+)
Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

The Daniel Defense M4 Carbine V11 Lightweight Upper Receiver Group was designed for shooters who prefer the benefits of the KeyMod system integrated in the new SLiM Rail (Slim Lightweight Modular). KeyMod is a recoil resistant, two-part, direct... ... more

Daniel Defense AR-15 DDM4v11 LW A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

The Daniel Defense M4 Carbine V11 Lightweight Upper Receiver Group was designed for shooters who prefer the benefits of the KeyMod system integrated in the new SLiM Rail (Slim Lightweight Modular). KeyMod is a recoil resistant, two-part, direct...

MidwayUSA

(950,000+)

$986.00

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MidwayUSA

(950,000+)
Del-Ton M4 MOE M-LOK Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" Medium Contour Barrel

Del-Ton M4 MOE M-LOK Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" Medium Contour Barrel

The Del-Ton Carbine Kit includes everything you need to turn your stripped lower receiver into a complete rifle. The complete assembled upper receiver features a flattop upper receiver with a 16" M4 profile chrome moly barrel. The 5.56x45mm NATO... ... more

Del-Ton M4 MOE M-LOK Carbine Kit AR-15 5.56x45mm NATO 1 in 9" Twist 16" Medium Contour Barrel

The Del-Ton Carbine Kit includes everything you need to turn your stripped lower receiver into a complete rifle. The complete assembled upper receiver features a flattop upper receiver with a 16" M4 profile chrome moly barrel. The 5.56x45mm NATO...

MidwayUSA

(950,000+)

$559.99

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MidwayUSA

(950,000+)
AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

MidwayUSA is proud to offer this AR-STONER™ A3 Upper Receiver Assembly at an exceptional price! This AR-STONER™ carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a government profile barrel. The A3... ... more

AR-STONER AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

MidwayUSA is proud to offer this AR-STONER™ A3 Upper Receiver Assembly at an exceptional price! This AR-STONER™ carbine length upper features a mil-spec bolt carrier group, phosphate finish, A2 fixed front sight and a government profile barrel. The A3...

MidwayUSA

(950,000+)

$399.99

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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

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...

MidwayUSA

(950,000+)

$569.99

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MidwayUSA

(950,000+)
DPMS RFLR-G2AP4 Carbine 308 Winchester 16" Barrel 20-Round M4 AP4 Black

DPMS RFLR-G2AP4 Carbine 308 Winchester 16" Barrel 20-Round M4 AP4 Black

Features16" lightweight 4150 chrome lined barrelForged 7075 T6 lvl 3 anodized, teflon coated, A3 type upper receiverForged 7075 T6 lvl anodized, teflon coated lower receiver1:10" twistM4 6-position collapsible stockStandard AR fire controlA2 pistol... ... more

DPMS RFLR-G2AP4 Carbine 308 Winchester 16" Barrel 20-Round M4 AP4 Black

Features16" lightweight 4150 chrome lined barrelForged 7075 T6 lvl 3 anodized, teflon coated, A3 type upper receiverForged 7075 T6 lvl anodized, teflon coated lower receiver1:10" twistM4 6-position collapsible stockStandard AR fire controlA2 pistol...

MidwayUSA

(950,000+)

$1,052.99

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MidwayUSA

(950,000+)
Bushmaster Minimalist-SD Carbine 300 AAC Blackout 16" Barrel 30-Round MFT Black

Bushmaster Minimalist-SD Carbine 300 AAC Blackout 16" Barrel 30-Round MFT Black

Features16" barrel4150 chrome moly, melonite (FNC) finish1:8" barrel twist rate Mission First Tactical Minimalist stockMission First Tactical GripAAC square-drop handguard with full-length railAdvanced Combat TriggerA3 flattop upper receiver30 Round... ... more

Bushmaster Minimalist-SD Carbine 300 AAC Blackout 16" Barrel 30-Round MFT Black

Features16" barrel4150 chrome moly, melonite (FNC) finish1:8" barrel twist rate Mission First Tactical Minimalist stockMission First Tactical GripAAC square-drop handguard with full-length railAdvanced Combat TriggerA3 flattop upper receiver30 Round...

MidwayUSA

(950,000+)

$883.99

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MidwayUSA

(950,000+)
Daniel Defense AR-15 DDM4v5 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

Daniel Defense AR-15 DDM4v5 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

The Daniel Defense DDM4v5 Complete AR-15 Upper Assembly features a premium, Cold Hammer Forged Barrel made from Mil-Spec 4150 Chrome-Moly Vanadium Steel that is Chrome Lined for durability and corrosion resistance. M4 feed ramps are incorporated into... ... more

Daniel Defense AR-15 DDM4v5 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

The Daniel Defense DDM4v5 Complete AR-15 Upper Assembly features a premium, Cold Hammer Forged Barrel made from Mil-Spec 4150 Chrome-Moly Vanadium Steel that is Chrome Lined for durability and corrosion resistance. M4 feed ramps are incorporated into...

MidwayUSA

(950,000+)

$1,076.00

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MidwayUSA

(950,000+)
Del-Ton Mid-Length Carbine Kit AR-15 5.56x45mm NATO 1 in 7" Twist 16" Chrome Lined Heavy Contour Barrel

Del-Ton Mid-Length Carbine Kit AR-15 5.56x45mm NATO 1 in 7" Twist 16" Chrome Lined Heavy Contour Barrel

This Del-Ton Mid Length Carbine Kit includes everything needed to turn your Stripped AR-15 Lower Receiver into a complete, fully functional rifle. This kit features an assembled Del-Ton A3 Flat-Top Upper Receiver with a Chrome Lined 16" Heavy Contour... ... more

Del-Ton Mid-Length Carbine Kit AR-15 5.56x45mm NATO 1 in 7" Twist 16" Chrome Lined Heavy Contour Barrel

This Del-Ton Mid Length Carbine Kit includes everything needed to turn your Stripped AR-15 Lower Receiver into a complete, fully functional rifle. This kit features an assembled Del-Ton A3 Flat-Top Upper Receiver with a Chrome Lined 16" Heavy Contour...

MidwayUSA

(950,000+)

$524.99

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MidwayUSA

(950,000+)
Bushmaster XM-15 MOE Carbine 223 Remington 16" Barrel 30-Round Magpul Black

Bushmaster XM-15 MOE Carbine 223 Remington 16" Barrel 30-Round Magpul Black

Features16" M4 profile 4150 chrome lined barrel7075 forged A3 flat top upper receiver with Magpul back-up sight7075 forged lower receiver with 6 position MOE stockMagpul MOE hand guard, pistol grip, & vertical gripMagpul enhanced trigger guardRear flip... ... more

Bushmaster XM-15 MOE Carbine 223 Remington 16" Barrel 30-Round Magpul Black

Features16" M4 profile 4150 chrome lined barrel7075 forged A3 flat top upper receiver with Magpul back-up sight7075 forged lower receiver with 6 position MOE stockMagpul MOE hand guard, pistol grip, & vertical gripMagpul enhanced trigger guardRear flip...

MidwayUSA

(950,000+)

$843.99

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MidwayUSA

(950,000+)
Bushmaster XM-15 AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

Bushmaster XM-15 AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

This Bushmaster XM15 A3 upper will attach to virtually any standard AR-15 lower receiver. Comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. With a 1 in 9" twist, the 16" chrome lined barrel... ... more

Bushmaster XM-15 AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

This Bushmaster XM15 A3 upper will attach to virtually any standard AR-15 lower receiver. Comes complete with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. With a 1 in 9" twist, the 16" chrome lined barrel...

MidwayUSA

(950,000+)

$529.99

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MidwayUSA

(950,000+)
Bushmaster Minimalist-SD Carbine 223 Remington 16" Barrel 30-Round MFT Black

Bushmaster Minimalist-SD Carbine 223 Remington 16" Barrel 30-Round MFT Black

Features16" barrel4150 chrome moly, melonite (FNC) finish1:8" barrel twist rate Mission First Tactical Minimalist stockMission First Tactical GripAAC square-drop handguard with full-length railAdvanced Combat TriggerA3 flattop upper receiver30 Round... ... more

Bushmaster Minimalist-SD Carbine 223 Remington 16" Barrel 30-Round MFT Black

Features16" barrel4150 chrome moly, melonite (FNC) finish1:8" barrel twist rate Mission First Tactical Minimalist stockMission First Tactical GripAAC square-drop handguard with full-length railAdvanced Combat TriggerA3 flattop upper receiver30 Round...

MidwayUSA

(950,000+)

$883.99

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MidwayUSA

(950,000+)
Noveske AR-15 Light Recce Basic A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

Noveske AR-15 Light Recce Basic A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

This Noveske Light Recce Basic AR-15 Upper Assembly is chambered in 5.56mm and comes fully assembled and ready to drop onto any standard AR-15 lower receiver. It comes equipped with a 16" cold hammer forged barrel featuring 1 in 7" twist rifling, M4... ... more

Noveske AR-15 Light Recce Basic A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel

This Noveske Light Recce Basic AR-15 Upper Assembly is chambered in 5.56mm and comes fully assembled and ready to drop onto any standard AR-15 lower receiver. It comes equipped with a 16" cold hammer forged barrel featuring 1 in 7" twist rifling, M4...

MidwayUSA

(950,000+)

$902.50

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MidwayUSA

(950,000+)
Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist M4 Contour Barrel

Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist M4 Contour Barrel

This Del-Ton M4 Carbine Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The forged 7075 T6 Aluminum upper features a 16" M4 Contour Barrel, Carbine-Length gas system, F-Marked... ... more

Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" Barrel 1 in 9" Twist M4 Contour Barrel

This Del-Ton M4 Carbine Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The forged 7075 T6 Aluminum upper features a 16" M4 Contour Barrel, Carbine-Length gas system, F-Marked...

MidwayUSA

(950,000+)

$429.99

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MidwayUSA

(950,000+)
16 Inches M4 Carbine Length Contour Barrel Chambered 5.56/.223 With A 1-8 Twist

16 Inches M4 Carbine Length Contour Barrel Chambered 5.56/.223 With A 1-8 Twist

16 Inches M4 Carbine Length Contour Barrel Chambered 5.56/.223 With A 1-8 Twist. 56/.223 With A 1-8 Twist B2-K004-A008-0P ... more

16 Inches M4 Carbine Length Contour Barrel Chambered 5.56/.223 With A 1-8 Twist

16 Inches M4 Carbine Length Contour Barrel Chambered 5.56/.223 With A 1-8 Twist. 56/.223 With A 1-8 Twist B2-K004-A008-0P

OpticsPlanet

$109.99

FREE shipping

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Bushmaster A3 Upper Assembly .223 Caliber 16 Inch Barrel With Solid Removeable Carry Handle

Bushmaster A3 Upper Assembly .223 Caliber 16 Inch Barrel With Solid Removeable Carry Handle

Bushmaster A3 Upper Assembly .223 Caliber 16 Inch Barrel With Solid Removeable Carry Handle. 223 Caliber 16 Inch Barrel With Solid Removeable Carry Handle ... more

Bushmaster A3 Upper Assembly .223 Caliber 16 Inch Barrel With Solid Removeable Carry Handle

Bushmaster A3 Upper Assembly .223 Caliber 16 Inch Barrel With Solid Removeable Carry Handle. 223 Caliber 16 Inch Barrel With Solid Removeable Carry Handle

OpticsPlanet

$439.99

FREE shipping

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Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" 1 in 9" Twist Lightweight Contour Barrel

Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" 1 in 9" Twist Lightweight Contour Barrel

This Del-Ton Lightweight A3 Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The forged 7075 T6 Aluminum upper features a 16" Lightweight Contour Barrel, Carbine-Length Gas... ... more

Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 16" 1 in 9" Twist Lightweight Contour Barrel

This Del-Ton Lightweight A3 Flat-Top AR-15 Upper Receiver comes complete and fully assembled, ready for installation onto any mil-spec lower receiver. The forged 7075 T6 Aluminum upper features a 16" Lightweight Contour Barrel, Carbine-Length Gas...

MidwayUSA

(950,000+)

$419.99

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MidwayUSA

(950,000+)
DoubleStar AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel 1 in 8" Twist Barrel

DoubleStar AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel 1 in 8" Twist Barrel

This DoubleStar AR-15 Upper Receiver Assembly in 300 AAC Blackout is a pin-on, ready-to-shoot top end for use with any AR-15 lower receiver. The Mil-Spec 16” 4140 steel black nitride coated barrel comes equipped with 1 in 8" twist rifling, M4 feed... ... more

DoubleStar AR-15 A3 Upper Receiver Assembly 300 AAC Blackout 16" Barrel 1 in 8" Twist Barrel

This DoubleStar AR-15 Upper Receiver Assembly in 300 AAC Blackout is a pin-on, ready-to-shoot top end for use with any AR-15 lower receiver. The Mil-Spec 16” 4140 steel black nitride coated barrel comes equipped with 1 in 8" twist rifling, M4 feed...

MidwayUSA

(950,000+)

$526.32

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MidwayUSA

(950,000+)
AR-STONER AR-15 Optics Ready Upper Receiver Assembly 450 Bushmaster 16" Barrel

AR-STONER AR-15 Optics Ready Upper Receiver Assembly 450 Bushmaster 16" Barrel

Features450 Bushmaster Bolt Carrier GroupA2 Flash Hider16" 1:24" Twist BarrelChambered in 450 BushmasterMidwayUSA is proud to offer this AR-Stoner Optics Ready Upper Receiver Assembly in 450 Bushmaster at an exceptional price! This AR-Stoner carbine... ... more

AR-STONER AR-15 Optics Ready Upper Receiver Assembly 450 Bushmaster 16" Barrel

Features450 Bushmaster Bolt Carrier GroupA2 Flash Hider16" 1:24" Twist BarrelChambered in 450 BushmasterMidwayUSA is proud to offer this AR-Stoner Optics Ready Upper Receiver Assembly in 450 Bushmaster at an exceptional price! This AR-Stoner carbine...

MidwayUSA

(950,000+)

$599.99

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MidwayUSA

(950,000+)
Windham Weaponry Ban Compliant MPC M4 Complete Upper Receiver Assembly 16 Inch Barrel .223/5.56mm

Windham Weaponry Ban Compliant MPC M4 Complete Upper Receiver Assembly 16 Inch Barrel .223/5.56mm

Windham Weaponry Ban Compliant MPC M4 Complete Upper Receiver Assembly 16 Inch Barrel .223/5.56mm. 223/5.56mm ... more

Windham Weaponry Ban Compliant MPC M4 Complete Upper Receiver Assembly 16 Inch Barrel .223/5.56mm

Windham Weaponry Ban Compliant MPC M4 Complete Upper Receiver Assembly 16 Inch Barrel .223/5.56mm. 223/5.56mm

OpticsPlanet

$629.99

FREE shipping

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Spikes Tactical Spike ST-15 LE Carbine Upper 5.56 16 M4 Profile Brl A2 Sights Blk

Spikes Tactical Spike ST-15 LE Carbine Upper 5.56 16 M4 Profile Brl A2 Sights Blk

Spikes Tactical Spike ST-15 LE Carbine Upper 5.56 16 M4 Profile Brl A2 Sights Blk. 56 16 M4 Profile Brl A2 Sights Blk ... more

Spikes Tactical Spike ST-15 LE Carbine Upper 5.56 16 M4 Profile Brl A2 Sights Blk

Spikes Tactical Spike ST-15 LE Carbine Upper 5.56 16 M4 Profile Brl A2 Sights Blk. 56 16 M4 Profile Brl A2 Sights Blk

OpticsPlanet

$522.00

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XM-15 Complete Upper w/Bolt 300 AAC Blackout Flat Top M4-Profile 16 In.barrel w/ Rifle Length Quad

XM-15 Complete Upper w/Bolt 300 AAC Blackout Flat Top M4-Profile 16 In.barrel w/ Rifle Length Quad

XM-15 Complete Upper w/Bolt 300 AAC Blackout Flat Top M4-Profile 16 In.barrel w/ Rifle Length Quad. Barrel w/ Rifle Length Quad Rail 7 in. Pistol Length Gas Tube Pre-Ban 92866 ... more

XM-15 Complete Upper w/Bolt 300 AAC Blackout Flat Top M4-Profile 16 In.barrel w/ Rifle Length Quad

XM-15 Complete Upper w/Bolt 300 AAC Blackout Flat Top M4-Profile 16 In.barrel w/ Rifle Length Quad. Barrel w/ Rifle Length Quad Rail 7 in. Pistol Length Gas Tube Pre-Ban 92866

OpticsPlanet

$538.99

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Radical Firearms Upper Assembly 16 Inch 5.56 M4 Contour 12 Inch FTR w/BCG and CH Black

Radical Firearms Upper Assembly 16 Inch 5.56 M4 Contour 12 Inch FTR w/BCG and CH Black

Radical Firearms Upper Assembly 16 Inch 5.56 M4 Contour 12 Inch FTR w/BCG and CH Black. 56 M4 Contour 12 inch FTR w/BCG and CH Black CFU16-5.56M4-12FTR ... more

Radical Firearms Upper Assembly 16 Inch 5.56 M4 Contour 12 Inch FTR w/BCG and CH Black

Radical Firearms Upper Assembly 16 Inch 5.56 M4 Contour 12 Inch FTR w/BCG and CH Black. 56 M4 Contour 12 inch FTR w/BCG and CH Black CFU16-5.56M4-12FTR

OpticsPlanet

$381.56

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CMMG, Inc .300 AAC Blackout Upper 16 Inch M300 Profile Threaded Barrel M4 Hand Guard Black

CMMG, Inc .300 AAC Blackout Upper 16 Inch M300 Profile Threaded Barrel M4 Hand Guard Black

CMMG Inc .300 AAC Blackout Upper 16 Inch M300 Profile Threaded Barrel M4 Hand Guard Black. 300 AAC Blackout Upper 16 Inch M300 Profile Threaded Barrel M4 Hand Guard Black ... more

CMMG, Inc .300 AAC Blackout Upper 16 Inch M300 Profile Threaded Barrel M4 Hand Guard Black

CMMG Inc .300 AAC Blackout Upper 16 Inch M300 Profile Threaded Barrel M4 Hand Guard Black. 300 AAC Blackout Upper 16 Inch M300 Profile Threaded Barrel M4 Hand Guard Black

OpticsPlanet

$556.99

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Franklin Armory Gun Parts M4 16 Inch 5.56 Nato Carbine Length Barrel Black Model: 5219

Franklin Armory Gun Parts M4 16 Inch 5.56 Nato Carbine Length Barrel Black Model: 5219

Franklin Armory Gun Parts M4 16 Inch 5.56 Nato Carbine Length Barrel Black Model: 5219. 56 NATO Carbine Length Barrel Black 5219 ... more

Franklin Armory Gun Parts M4 16 Inch 5.56 Nato Carbine Length Barrel Black Model: 5219

Franklin Armory Gun Parts M4 16 Inch 5.56 Nato Carbine Length Barrel Black Model: 5219. 56 NATO Carbine Length Barrel Black 5219

OpticsPlanet

$209.99

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FN America AR15 Upper Receivers FNH USA FN15 16 Inch Tactical Carbine Upper Assembly 36430

FN America AR15 Upper Receivers FNH USA FN15 16 Inch Tactical Carbine Upper Assembly 36430

FN America AR15 Upper Receivers FNH USA FN15 16 Inch Tactical Carbine Upper Assembly 36430. FNH USA FN15 16 Inch Tactical Carbine Upper Assembly ... more

FN America AR15 Upper Receivers FNH USA FN15 16 Inch Tactical Carbine Upper Assembly 36430

FN America AR15 Upper Receivers FNH USA FN15 16 Inch Tactical Carbine Upper Assembly 36430. FNH USA FN15 16 Inch Tactical Carbine Upper Assembly

OpticsPlanet

$949.00

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