Palmetto State Armory

Barrel: Chambered in 5.56 NATO with a 1:7 twist rate, M4 barrel extension, and a carbine gas system this barrel features a Nitride finish for accuracy and durability. The barrel is finished off with a PSA 10.5" Lightweight M-Lok Free Float Rail, .750 low-profile gas block, and A2 flash hider.

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.

Lower: This forged lower is quality made using 7075-T6 aluminum and is marked "MULTI" for caliber. The finish is hard coat anodized. Finished with an A2 Classic ODG Grip, H&R HAR-15 ODG Adjustable Pistol Stabilizing Blade, and 6 position 7075 buffer tube. The fire control group is a PSA mil-spec single-stage assembly.

Barrel Length: 11.5"
Gas System: Carbine-length
Barrel Profile: A2
Barrel Steel: Chrome Moly
Barrel Finish: Nitride
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
Receiver Type: M4
Handguard Type: PSA 10.5" Hex M-Lok Free Float Rail, Black
Bolt Steel: Carpenter 158
Bolt Carrier Profile: Full-Auto
Lower Receiver: Forged 7075 T6 Aluminum
Receiver Finish: Hardcoat Anodized
Fire Control Group: Single-Stage, Mil-spec style
Grip: Classic A2 Grip, ODG
Buffer Tube: 7075 T6 Aluminum
Adjustment: 6 Position
Pistol Brace: H&R HAR-15 Adjustable Pistol Stabilizing Blade, ODG