The L number in isolation is not a unique identifier; the L1 designation alone is used for a rifle and its corresponding bayonet and blank-firing attachment, a machine gun, a tank gun, a sighting …

The M4-L89 is the premier fighting rifle we offer. It houses our combat grade barrel, A5 buffer system, Liberty Fighting Trigger, Ambi Liberty Charging Handle, ambi Quick Selector, and B5 …

The Sons of Liberty Gun Works upper receiver is built for close-quarters combat with a maneuverable 11.5" barrel and the feature-rich L89 M-LOK handguard. The L89 rail boasts a …

The Sons of Liberty Gun Works M4-L89 5.56 AR-15 SBR is a premium rifle built from high quality parts like the cold hammer forged barrel, free float M-LOK handguard, and B5 Systems …

The Sons of Liberty Gun Works M4-L89BS 5.56 AR-15 is a premium rifle built from high quality parts like the cold hammer forged barrel, free float M-LOK handguard, and B5 Systems …

The Sons of Liberty Gun Works Broadsword-89 Uppers and Drivelock (89 Series) rails provide arguably the most rigid interface on the market using traditional 2-piece AR15 construction.

These L89 Upper Receiver Groups are built using our forged upper, V2 Button rifled barrels, our V2 4140 gas block, and offered in a variety of length and muzzle device options. Our L89 rails …

The Sons of Liberty Gun Works M4-L89 was designed to be Ultimate Fighting Rifle. It features their new L89 Drive Lock Rail (7 sided M-LOK slots, internal QD sling swivel socket built in to …

The Sons of Liberty M4-L89 Series offers the performance and precision all Sons of Liberty firearms are known for. These premium AR-platforms are available in 5.56 NATO and .300 …

Upgrade to the M4-89 13.7 Rifle with the latest advancements from Sons of Liberty Gun Works and experience the pinnacle of performance and reliability. The New M4-89 from Sons of …