PSA GEN3 PA10 18" Mid-Length Stainless Steel .308 WIN 1/10 Classic Upper with BCG & CH
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Palmetto State Armory
Overview
The PSA Gen3 PA10 upper receiver is a complete assembly designed for the AR-15 platform, featuring an 18-inch barrel optimized for .308 Winchester. With a mid-length gas system and a 1:10 twist rate, this upper provides reliable cycling and improved accuracy, making it suitable for both precision shooting and tactical applications. This upper is commonly found in builds that prioritize the .308 caliber and utilize a mid-length gas system for enhanced performance.
Specifications
PSA GEN3 PA10 18" Mid-Length Stainless Steel .308 WIN 1/10 Classic Upper with BCG & CH
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Build history on GunPartPicker
Builders have been adding the PSA GEN3 PA10 18" Mid-Length Stainless Steel .308 WIN 1/10 Classic Upper with BCG & CH to their builds on GunPartPicker since February 2026. All time, it ranks #621 of the 1,655 upper receivers builders have added.
Updated · from real builds on GunPartPicker
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Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision AR .308 Lower Receiver Complete W/ Magpul MOE Grip
Precision Reflex Gas Buster Charging Handle W/flat Latch
Hiperfire AR-15/10 Hipertouch® Eclipse Trigger Assembly
Adaptive Tactical Ex AR Rifle Stock - FDE
PSA PA10 .308 Nitride Bolt Carrier Group - 516446490
Samson Manufacturing M-LOK Vertical Grip - Medium Standard - Black
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