PSA GEN3 PA10 20" Rifle-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-LOK Upper - With BCG & CH
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Palmetto State Armory
Overview
The PSA Gen3 PA10 20" Upper Receiver is a complete assembly designed for the AR-10 platform, featuring a robust 20-inch barrel chambered in .308 Win with a 1:10 twist rate. The rifle-length gas system ensures smooth cycling and reliability, making it suitable for a variety of shooting applications. This upper is particularly favored in builds that prioritize the .308 Win caliber and utilize a rifle-length gas setup.
Specifications
PSA GEN3 PA10 20" Rifle-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-LOK Upper - With BCG & CH
September 2026 on GunPartPicker
PSA GEN3 PA10 20" Rifle-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-LOK Upper - With BCG & CH ranked #117 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #105 of the 1,654 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in .308 Win, nearly all on rifle-length gas, and nearly all AR-10.
Availability is good: 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 $499.99, so there haven't been real sales lately. Buying today, the lowest price is $499.99 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
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