A.R.M.S. #18 M21 / M14 Scope Mount
Manufactured by A.R.M.S.
The A.R.M.S. Inc. #18 is an ultra-low profile precision scope mounting rail for the M21 / M14 rifle. Perfect for day or night vision optics, the #18 is manufactured from case hardened 8620 grade steel and features two attachment points plus a third contact point for stability under any conditions.