KAC-Knight's Armament RAS MRE-Model B, Rail Front Filler Tube

KAC-Knight's Armament RAS MRE-Model B, Rail Front Filler Tube (21166-2)

The original Knight's Armament "MRE" (Modular Rail Extension) was engineered as a full free floating rail for military units fitting the M4 with a front sight base and extra rail to mount lights and accessories. Now available to the general public the KAC MRE RAS free floating design ensures your favorite AR-15 will retain its accuracy while providing plenty of rail for accessories.