Barrel: 10.5″ 4150V Chrome Moly vanadium steel, phosphate coated and chambered in 5.56 NATO with a 1 in 7″ twist. Carbine-length gas barrel is finished off with a PSA Lightweight 9″ M-Lok rail, a low profile gas block, and a PSA A2 Flash Hider.
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring a mil-spec finish, these uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt Carrier Group: Bolt made of mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec.
Build Kit: A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features a Mil-Spec Fire Control Group, Magpul Grip, Magpul Trigger Guard, and black oxide coated hammer and trigger springs. Also includes SB Tactical SBA3 Adjustable Pistol Brace, castle nut, latch plate, carbine buffer spring, 5 positioning mil-spec buffer tube, and standard carbine buffer.
- Barrel Length: 10.5″
- Barrel Profile: A2
- Gas System: Carbine-Length
- Barrel Steel: 4150V Chrome Moly Vanadium
- Barrel Finish: Phosphate
- Chrome Lining: No
- Muzzle Thread: 1/2×28
- Chamber: 5.56 NATO
- Twist Rate: 1:7
- Barrel Extension: M4
- Diameter at Gas Block: .750
- Gas Block Type: Low-profile
- Muzzle Device: PSA A2 Flash Hider
- Receiver Material: Forged 7075 T6 Aluminum
- Receiver Type: M4
- Handguard Type: PSA 9″ Lightweight M-Lok Rail
- Bolt Carrier Group Included: Yes
- Bolt Steel: Carpenter 158
- Bolt Carrier Profile: Full-auto
- Charging Handle Included: Yes
- Build Kit: MOE SBA3 Pistol Kit, Black