Palmetto State Armory PSA Gen4 16" 9mm Upper is a complete upper receiver chambered in 9mm, with a 16" nitride-treated chrome moly vanadium heavy barrel and a 1:10 twist.
Key Features
- 16" heavy barrel with 1:10 twist, nitride treated, with 1/2-28 muzzle threads
- A2 style flash hider (9mm birdcage)
- Billet 6061-T6 aluminum slick side upper, hard coat anodized black, made in the USA
- PSA 13.5" Hex full Picatinny M-LOK free-float rail
- Gen 4 Hybrid 9mm bolt carrier group in nitride treated 8620 steel, with enhanced firing pin and external 5.56 style extractor
- Charging handle included
Details
This upper ships complete with a Gen 4 Hybrid 9mm bolt carrier group and charging handle. The BCG is compatible with most aftermarket fire control groups.
PSA states it cannot guarantee function with EndoMag 9mm magazines.
Specifications
- Brand: Palmetto State Armory
- Caliber: 9mm (9x19)
- Barrel: 16", chrome moly vanadium, nitride finish, not chrome lined
- Twist: 1:10
- Muzzle: 1/2-28 thread, A2 style flash hider
- Handguard: PSA 13.5" Hex full Picatinny M-LOK rail
- Receiver: Billet 6061-T6 aluminum, slick side, hard coat anodized black
- Bolt carrier group and charging handle: included
** The Palmetto State Armory PSA Gen4 pictured is California Legal but may not depict actual CA compliant parts or modification. **
