7.5″ 5.56 Pistol Length Upper with FIRESTORM-7″ M-LOK Rail System
All Sons of Liberty Gun Works upper receivers
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Sons of Liberty Gun Works
Overview
The 7.5″ 5.56 Pistol Length Upper from Sons of Liberty Gun Works is a complete upper assembly designed for AR-15 platforms, featuring a 7.5-inch barrel optimized for 5.56 NATO ammunition. Its pistol-length gas system provides reliable cycling even in compact builds, making it an excellent choice for maneuverability and quick handling. This upper is commonly used in short-barreled rifle configurations or as part of compact pistol builds for those looking for enhanced portability.
Specifications
7.5″ 5.56 Pistol Length Upper with FIRESTORM-7″ M-LOK Rail System
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Build history on GunPartPicker
Builders on GunPartPicker first added the Sons of Liberty Gun Works 7.5″ 5.56 Pistol Length Upper with FIRESTORM-7″ M-LOK Rail System to a build in February 2026.
Updated · from real builds on GunPartPicker
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