PSA 7.5" 5.56 NATO 1/7 PHOSPHATE 7" LIGHTWEIGHT M-LOK UPPER W/BCG & CH

Barrel Length: 7.5"
Barrel Profile: Heavy
Gas System: Pistol-Length
Barrel Steel: 4150V Chrome Moly Vanadium
Barrel Finish: Phosphate
Chrome Lining: None
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: A2 Flash Hider
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PSA 7" Lightweight M-Lok Free Float
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Charging Handle Included: Yes

FEATURES
Barrel: 7.5" 4150V Chrome Moly Vanadium steel, phosphate coated and chambered in 5.56 NATO  with a 1 in 7" twist. Pistol-length gas barrel is finished off with a PSA 7" Lightweight M-Lok Rail, a 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 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.