PSA 7" 300AAC Blackout MOE "Marauder" Pistol Upper - NO BCG or CH
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Palmetto State Armory
Overview
The PSA 7" 300AAC Blackout MOE "Marauder" Pistol Upper is a complete upper receiver designed specifically for the 300 Blackout caliber, featuring a compact 7-inch barrel that enhances maneuverability while maintaining effective performance. Its pistol-length gas system is optimized for reliable cycling, making this upper ideal for short-barreled applications. This upper commonly appears in builds focused on compact and versatile configurations that take advantage of the 300 Blackout's capabilities.
Specifications
PSA 7" 300AAC Blackout MOE "Marauder" Pistol Upper - NO BCG or CH
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Build history on GunPartPicker
Builders have been adding the PSA 7" 300AAC Blackout MOE "Marauder" Pistol Upper - NO BCG or CH to their builds on GunPartPicker since February 2026. All time, it ranks #465 of the 1,654 upper receivers builders have added.
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