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Palmetto State Armory

PSA GEN3 PA10 18" Mid-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-LOK Upper - With BCG & CH

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Palmetto State Armory PSA Gen3 PA10 18" Mid-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-lok Upper - With BCG & CH - Upper Receiver for AR-15 - view 1
Palmetto State Armory PSA Gen3 PA10 18" Mid-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-lok Upper - With BCG & CH - Upper Receiver for AR-15 - view 2
Palmetto State Armory PSA Gen3 PA10 18" Mid-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-lok Upper - With BCG & CH - Upper Receiver for AR-15 - view 3
Palmetto State Armory PSA Gen3 PA10 18" Mid-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-lok Upper - With BCG & CH - Upper Receiver for AR-15 - view 4
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Palmetto State Armory

Overview

The PSA Gen3 PA10 is a complete upper receiver designed for the AR-10 platform, featuring an 18-inch barrel chambered in .308 Win with a mid-length gas system. The 1:10 twist rate ensures optimal stability and accuracy for a variety of bullet weights, making it suitable for both precision shooting and general use. This upper receiver is commonly found in builds focused on long-range capabilities and versatility, appealing to builders aiming for a robust yet lightweight configuration.

Specifications

MPN516551303787
Gas System LengthMid-Length
PlatformAR-10
Caliber.308 Win
Twist Rate1:10
AssemblyComplete
Barrel Length18

Available Merchants(1)

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$500
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Build history on GunPartPicker

Builders have been adding the PSA GEN3 PA10 18" Mid-Length .308 WIN 1:10 Stainless Steel 15" Lightweight M-LOK Upper - With BCG & CH to their builds on GunPartPicker since March 2026. All time, it ranks #847 of the 1,574 upper receivers builders have added.

Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 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 August.

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