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.
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Sale
Surplus Knights Armament M5 RAS Lower Rail
$149.99 $119.99
Reviews
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Knights MRE
The Knights Armament MRE is excellent. Most people don't see anything from KAC beyond the M4/5 RAS rails on the FN and Colt rifles today. This is the cherry on a CAG MRE build that many never knew existed in the early days of GWOT.