PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-LOK Upper No BCG or CH
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Palmetto State Armory
Overview
The PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-Lok Upper is a complete upper receiver designed for the AR-15 platform, featuring a 10.5-inch barrel optimized for the 300 Blackout caliber. With a pistol-length gas system, this upper enhances reliability and minimizes recoil, making it suitable for short-barreled applications. This upper is typically used in builds focused on compact configurations that require maneuverability without sacrificing performance.
Specifications
PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-LOK Upper No BCG or CH
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Build history on GunPartPicker
Builders have been adding the PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9" Lightweight Hex M-LOK Upper No BCG or CH to their builds on GunPartPicker since February 2026. All time, it ranks #620 of the 1,654 upper receivers builders have added.
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