7" 5.56 NATO COMPLETE UPPER ASSEMBLY

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BC-15 | 5.56 NATO Upper | Parkerized M4 Barrel | 1:7 Twist | Pistol Length Gas System | 7" MLOK | Billet Upper Receiver

Barrel: Chambered in 300AAC Blackout with a 1:8 twist rate, M4 barrel extension, and a pistol gas system this barrel features a phosphate finish for accuracy and durability. It is finished off with a PSA 7" Lightweight M-Lok rail, .750" diameter low profile gas block, and an A2 flash hider.

Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring machined T marks, and a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer.

Bolt: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.

DETAILS

Barrel Length: 8.5"
Gas System: Pistol-length
Barrel Profile: Heavy
Barrel Steel: Chrome Moly
Barrel Finish: Phosphate
Chrome Lining: None
Muzzle Thread: 5/8-24"
Chamber: 300AAC Blackout
Twist Rate: 1 in 8"
Barrel Extension: M4
Diameter at Gas Block: .750" 
Gas Block Type: Low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6
Receiver Type: M4
Handguard Type: 7" Lightweight M-Lok Rail
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Charging Handle Included: Yes
Overall Length: 17"

 

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