U.S. Patent No. 5,276,988 & 4,845,871. NSN 1005-01-469-7050.
Aluminum base secured by steel free and levers with A.R.M.S. no-mar patented Buffer Pads. Interfaces to M16A1A2 and M4, provides universal platform, NATO STANAG and Weaver type standards combined for many day and night vision optics and lasers.
*TM The distinctive shape, style, and appearance of the lever and lever platform on all A.R.M.S.® mounts, and the body of the #17® mount are trademarks of A.R.M.S.®