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Complete Uppers

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$499.99

Great value on a Mil Spec complete upper receiver with bolt carrier group and a lifetime warranty! This CORE15™ complete upper includes an accurate 16" 4150 chrome lined barrel, a chromed bolt carrier group, and a standard M4 handguard with heat shields. Specifications: CORE15™ Mil-Spec Forged 7075-T6 M-4 Upper Receiver, Type III Class II Hard-coat anodized finish, M4 Feed Ramps, (1913...

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Troy M7(5.56mm) 16" CQB Upper Receiver 1/7 Twist, Hammer Forged, NiCoRR-Lined Barrel Features: - M4 Bolt Assembly & Charging Handle Included - 16" Hammer Forged NiCorr-Lined Barrel With A 1/7 twist - TRX Extreme 13" Free Float Rail (W/three removable rails ) - Folding Front and Rear BattleSights - Medieval Flash Suppressor - Modular Combat Grip

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Unbeatable value on a upgraded upper receiver assembly. This CORE15™ complete upper includes 16" 4150 chrome lined barrel, a chromed bolt carrier group, and a Magpul MOE handguard and rear sight. Specifications: Mil-Spec Forged 7075-T6 M-4 Upper Receiver, Type III Class II hard-coat anodized finish, M4 Feed Ramps, (1913 Picatinny rail flat top) w/ dry lube internal finish and laser...

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This Black Dawn upper is ready to place on your .223 Rem/5.56 NATO AR-15 lower and "run quiet" with a suppressor or "go loud" with supersonic loads. The Black Dawn MFR rail over the low profile gas black allows the easy use of a magnified optic, a red dot sight, or any rail mounted iron sight. The 300 BLK uses...

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Gas Piston systems operate cleaner then the direct gas impingement operating systems. With the piston system, the propellant gases that are being diverted at the gas block are now vented at the gas block, instead in the operating system of the upper receiver. Since the fouling from the gas system is not being vented in to the action of your...

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An excellent value for your next build, this complete upper includes the bolt carrier group. Just add it to any lower and you're ready to go! This Bushmaster XM15 A3 upper comes fully assembled with charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly, and it will attach to any standard AR-15 lower receiver. The 16" chrome lined barrel features a...