Gas System: Pistol-length
Barrel Profile: Heavy
Barrel Steel: 4150V Chrome Moly Steel
Barrel Finish: Phosphate
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1 in 7″
Barrel Extension: M4
Diameter at Gas Block: .750″
Gas Block Type: Low-profile
Muzzle Device: A2 Style Flash Hider
Receiver Material: Forged 7075 T6 Aluminum
Receiver Type: M4
Handguard Type: PSA 12″ Slanted M-Lok
Bolt Carrier Group Included: Yes
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-auto
Charging Handle Included: Yes
Lower Receiver: Forged 7075 T6 Aluminum
Receiver Finish: Hardcoat Anodized Black
Fire Control Group: Single-Stage, Mil-spec style
Grip: Magpul MOE Grip, Black
Buffer Tube: 7075 T6 Aluminum
Pistol Brace: SB Tactical SOB Pistol Brace, Black
Magazine: 30 Round Aluminum
Barrel: 4150V chrome moly steel. Chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a pistol-length gas system and phosphate coated. Heavy profile barrel is finished off with a PSA 12″ Slanted Lightweight M-Lok free-float rail, .750″ low-profile gas block, and a Palmetto State Armory Fluted Flash Can.
Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. Uppers include forward assist and dust cover. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt: Full-auto profile bolt carrier group. Shot-peened, mil-spec Carpenter No. 158® steel bolt. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is chrome lined and phosphate coated.
Lower: These forged lowers are quality made using 7075-T6 aluminum and are marked “MULTI” for caliber. Finish is hardcoat anodized. Pistol 7075-T6 buffer tube is hardcoat anodized and is fitted with an SB Tactical SOB Pistol Brace, Magpul Grip, and Magpul Trigger Guard.
SIghts: Magpul MBUS Sight Set, Black