PSA GEN4 4" 9MM 6" LIGHTWEIGHT M-LOK RAILED UPPER - WITH BCG & CH

Barrel: 4" chrome moly vanadium steel barrel. Chambered in 9mm (9x19), with a 1/10 twist rate. The barrel is nitride treated for durability and finished off with a PSA 6" Lightweight M-Lok Rail, and a PSA Fluted Flash Can muzzle device.

Upper: Newly designed 6061 Billet T6 Aluminum slick side upper is hard coat anodized black for durability.  

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. 

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 designed to direct gasses and noise forward away from the shooter and enhance the weapon's appearance.


CUSTOM SERIES 9mm FLUTED FLASH CAN (1/2X26) $35

All PSA products have a lifetime guarantee.

We have in stock the PSA compatible lower in another ad.