PSA GEN4 8" 9mm 1/10 Nitride 7" Lightweight M-LOK Upper - With BCG & CH
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Palmetto State Armory
Overview
The PSA Gen4 8" 9mm Upper Receiver is a complete assembly designed for the AR-15 platform, featuring an 8-inch barrel with a 1:10 twist rate, which provides optimal stabilization for projectiles in the 5.56 NATO caliber. This upper is ready to install right out of the box, making it ideal for builders looking to create a compact, high-performance firearm. It's often utilized in short-barreled rifle builds that prioritize maneuverability without sacrificing accuracy.
Specifications
PSA GEN4 8" 9mm 1/10 Nitride 7" Lightweight M-LOK Upper - With BCG & CH
Available Merchants(1)
Prices checked
Price Alert
Price and stock
Availability is good for the PSA GEN4 8" 9mm 1/10 Nitride 7" Lightweight M-LOK Upper - With BCG & CH: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $329.99, so there haven't been real sales lately. Buying today, the lowest price is $329.99 at Palmetto State Armory, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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