This product has been discontinued.
A.R.M.S.® #51™C A1A2™ S.I.R. ® System
Civilian Version Slimline for 5.56 cal. A1A2 Carry Handle Carbines.
Fits A1 and A2 carry handle uppers with carbine length gas systems. The #51™C locks into both the carry handle channel and the handle front support utilizing two A.R.M.S.® self locking thumbnuts providing an extremely rigid, no movement fit. The forward rail section allows the user the capability of forward mounting their optics and the ability to co-witness with their irons.
Wt. 17.4 oz*
*Wt. measured w/o 1,2,3 rails and sling swivel which are included with the S.I.R.® system. Rails can be removed/added as needed.
100% MADE IN THE USA.