PSA 7" Nitride 1:7 Pistol Length 5.56 NATO Marauder SL AR-15 Upper Assembly, FDE - No BCG/CH

PSA 7" Nitride 1:7 Pistol Length 5.56 NATO Marauder SL AR-15 Upper Assembly, FDE - No BCG/CH - Upper Receiver for AR-15 - view 1

Palmetto State Armory

Overview

The PSA 7" Nitride 1:7 Pistol Length 5.56 NATO Marauder SL AR-15 Upper Assembly offers a complete upper setup designed for compact builds, featuring a 7-inch barrel optimized for the 5.56 NATO caliber. With a pistol-length gas system and a 1:7 twist rate, this assembly enhances stability and accuracy with a range of bullet weights, making it suitable for various shooting applications. Builders often incorporate this upper in short-barreled rifles or AR pistols, where maneuverability and quick handling are key.

Specifications

Barrel Length7
Caliber5.56 NATO
Gas System LengthPistol
PlatformAR-15
ColorFDE
Twist Rate1:7
AssemblyComplete
Thread Pitch1/2x28

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Build history on GunPartPicker

Builders on GunPartPicker first added the PSA 7" Nitride 1:7 Pistol Length 5.56 NATO Marauder SL AR-15 Upper Assembly, FDE - No BCG/CH to a build in March 2026.

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