Palmetto State Armory PA-15 5.56 NATO Pistol This Palmetto State Armory PA-15 pistol is chambered in 5.56 NATO and features a black, heat-shielded handguard with an adjustable stabilizing brace. Its chrome-moly steel barrel has a phosphate coating, a 1:7 twist rate, an M4 barrel extension, and a carbine-length gas system. The upper assembly includes an F-marked front sight base, an A2 flash hider, and a forged 7075-T6 A3 receiver machined to mil-spec dimensions and finished with hard-coat anodizing. The upper also incorporates a forward assist and dust cover and is manufactured in the United States by a mil-spec producer. The full-auto-profile bolt carrier group uses a shot-peened, mil-spec Carpenter 158 steel bolt. Its gas key is hardened to USGI specifications, secured with Grade 8 fasteners, and properly staked to mil-spec standards. The forged 7075-T6 aluminum lower receiver is marked "MULTI" for caliber and finished with hard-coat anodizing. It is equipped with a classic A2 grip, a Magpul BTR pistol stabilizing brace, a six-position 7075 aluminum buffer tube, and a PSA mil-spec single-stage fire-control group. Specifications: Manufacturer: PSA Model: PA15 Style: Pistol Barrel Length: 11.5" Barrel Profile: A2 Flash Hider Barrel Finish: Black Nitride Twist Rate: 1:7 Front Sight: F-Front Sight Base Muzzle Device: A2-style flash hider Receiver Material: Forged 7075-T6 Handguard Type: M4 with heat shields, Black Grip: Classic A2, Black Adjustment: Six-position Pistol Brace: Magpul BTR Pistol Stabilizing Brace Includes: PSA Carry Handle Assembly SKU# 327667 RR