PSA Gen4 4" 9mm 1/10 GX M-Lok MOE SBA3 Pistol

Barrel: 4" chrome moly steel barrel. Chambered in 9mm, (9x19), with a 1/10 twist. The barrel is nitride treated for durability and finished off with a Palmetto State Armory 6" Lightweight M-Lok free-float rail and a PSA Fluted Flash Can. Flash Can: Palmetto State Armory's new fluted flash can. This is a solid 6061 aluminum device that is designed to direct muzzle gases and the muzzle flash forward. Threaded 1/2-36 for 9mm. Black military-style hard anodizing. THIS DEVICE IS NOT DESIGNED TO REDUCE RECOIL, MUZZLE RISE, OR FLASH SIGNATURE. This device is designed to direct gasses and noise forward away from the shooter and enhance the weapon's appearance.Upper: Billet 6061-T6 Slick side AR upper is hard coat anodized black for durability. These upper receivers are made for us right here in the USA.Bolt Carrier Group: Gen 4 Hybrid 9mm BCG. Nitride treated 8620 steel bolt, with an enhanced firing pin and external 5.56 style extractor. The bolt carrier group is compatible with most aftermarket fire control groups. Lower: Forged 7075 T6 aluminum and then hard coat anodized, these lowers are purpose-built to accept 9mm GlockA(R)-style magazines. Designed to work with PSA's new 9mm Hybrid uppers. The lower is assembled with a Palmetto State Armory MOE SBA3 lower build kit with a Magpul Grip, PSA 6 position buffer tube, and SBA3 Adjustable Brace. Does not include last round bolt hold open feature.