The Sons of Liberty Gun Works M4-L89 11.5" Pistol is a purpose-built, high-performance AR-pistol engineered for reliability in close-quarters and professional duty applications. It features a match-grade 11.5-inch Liberty Fighting Barrel paired with a carbine-length gas system, which Sons of Liberty Gun Works (SOLGW) notes is optimized for balanced pressure and terminal performance. The pistol is defined by the L89 Drivelock handguard, which utilizes a titanium barrel nut and a three-point locking system to provide a rock-solid mounting platform for infrared lasers and optics, minimizing point-of-impact shift. Internally, the firearm is equipped with the SOLGW A5-length buffer system to enhance cycling smoothness and a Liberty Fighting Trigger for a consistent, duty-weight pull. Sons of Liberty Gun Works M4-L89 5.56mm 11.5" Bbl Carbine Gas L89 Rail A2 FH Brace M4-L89 Anodized Black Complete Pistol M4-L89-556-115-PISTOL-A-BLK