© Palmetto State ArmoryPSA PA-9 Gen4 10.5" 9mm 1/10 Nitride 12" Slanted M-Lok Railed Upper With BCG & CH - 5165449744
- Brand
- Palmetto State Armory
- Caliber
- 9mm
- Category
- Gun Parts
- Barrel Length
- 10.5in
- Gun Part Type
- Upper Receiver
- UPC
- 5165449744
Overview
The PSA PA-9 Gen4 upper receiver features a 10.5-inch 4150V chrome moly steel barrel with a 1/10 twist, nitride finish, and a 1/2-28 threaded PSA fluted flash can designed to direct gases and noise forward. The slick-side upper is machined from 6061-T6 aluminum with a black hardcoat anodized finish and outfitted with a 12-inch slanted lightweight M-LOK free-float rail. It comes equipped with a Gen4 hybrid 9mm bolt carrier group constructed from nitride-coated 8620 steel featuring an enhanced firing pin and external 5.56-style extractor, compatible with most aftermarket fire control groups.
Price & Stock History
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