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The A.R.M.S.® Selective Integrated Rail System The A.R.M.S.® Selective Integrated Rail System includes more unique and helpful features for the professional user than all other devices combined. Only the A.R.M.S. ® S.I.R. ® System allows you to have dovetail rails where you want them and not where someone else has decided for you. This modular receiver sleeving system is a hand guard universal mounting system that leaves the barrel totally free-floating while providing a rigid ultra-light platform on which to mount virtually any mission specific accessory.
Mountsplus.com is a distributor of Shooting Supplies and Gun Accessories for the discriminating shooter in the varmint,(Scope Mounts, Scope Rings, Rifle Scopes, FLASHLIGHTS, RIFLE STOCKS) competition and tactical disciplines for the AR-15 / M16, AR15, Ruger 10/22, Mini 14, HK MP5, FN FAL, Glock, Smith & Wesson handguns, Pistols and Revolvers & Other Firearms. Scope Mounts for Rifle Scopes & Night Vision. Now selling Glow sticks and promoting pistol grips.
A.R.M.S. #59M S.I.R. SYSTEM RIFLE LENGTH Military Version AR-15/M16 RIFLE	A.R.M.S. #59M S.I.R. SYSTEM RIFLE LENGTH Military Version AR-15/M16 RIFLE Get Price from MSP Military Version Rifle Length Wt. 26.8 oz* *Wt. measured w/o 1,2 rails and sling swivel which are included with the SIR system. Rails can be removed/added as needed. ...
A.R.M.S. #46SL S.I.R. RAIL - SIMLINE	A.R.M.S. #46SL S.I.R. RAIL - SIMLINE Get Price from MSP A.R.M.S. #46SL S.I.R. RAIL - SIMLINE Civilian Version Slimline, for 5.56 cal. Carbine length M4's. The #46C is the slimline version of our #45C. Fits flat-top equipped weapons with carbine length gas systems. Features an uninterrupted top dovetail rail. The forward rail segment can be inverted and ...
	A.R.M.S. #53MVR S.I.R. AR-10 RIFLE LENGTH MILITARY STYLE Get Price from MSP A.R.M.S. #53 S.I.R. AR-10 RIFLE LENGTH MILITARY STYLE Military Version 7.62 cal. Slimline for AR-10 Rifles. Wt. 27.8 oz* *Wt. measured w/o 1,2 rails and sling swivel which are included with the SIR system. Rails can be removed/added as needed. ...
	A.R.M.S. #59C S.I.R. SYSTEM RIFLE LENGTH - Commercial Version Get Price from MSP Civilian Version Rifle Length Wt. 25.9 oz* *Wt. measured w/o 1,2 rails and sling swivel which are included with the SIR system. Rails can be removed/added as needed. ...
A.R.M.S. #45CV S.I.R. SYSTEM COMMERCIAL VERSION, AR-15 RIFLE	A.R.M.S. #45CV S.I.R. SYSTEM COMMERCIAL VERSION, AR-15 RIFLE Get Price from MSP A.R.M.S. #45CV S.I.R. SYSTEM COMMERCIAL VERSION The A.R.M.S. S.I.R.(TM) System is designed to fit mil-spec flat top receivers from Colt, Armalite and Bushmaster in the 5.56 carbine lengths. There may be other flat top receivers manufactured that the A.R.M.S. S.I.R. may fit to properly, but we do ...
A.R.M.S. #45MV S.I.R. SYSTEM MILITARY VERSION, AR-15/M16 RIFLE	A.R.M.S. #45MV S.I.R. SYSTEM MILITARY VERSION, AR-15/M16 RIFLE Get Price from MSP A.R.M.S. #45MV S.I.R. SYSTEM MILITARY VERSION The S.I.R.(TM) System is designed to fit mil-spec flat top receivers from Colt, Armalite and Bushmaster in the 5.56 carbine lengths. There may be other flat top receivers manufactured that the S.I.R. may fit to properly, but we do not guarantee or warr ...
A.R.M.S. #50C S.I.R. SYSTEM BILEVEL COMMERCIAL AR-15 RIFLE	A.R.M.S. #50C S.I.R. SYSTEM BILEVEL COMMERCIAL AR-15 RIFLE Get Price from MSP A.R.M.S. #50C S.I.R. SYSTEM BILEVEL COMMERCIAL The S.I.R.(TM) System is designed to fit mil-spec flat top receivers from Colt, Armalite and Bushmaster in the 5.56 carbine lengths. There may be other flat top receivers manufactured that the S.I.R. may fit to properly, but we do not guarantee or war ...
A.R.M.S. #50M S.I.R. SYSTEM BILEVEL MILITARY AR-15 /M16 RIFLE	A.R.M.S. #50M S.I.R. SYSTEM BILEVEL MILITARY AR-15 /M16 RIFLE Get Price from MSP A.R.M.S. #50M S.I.R. SYSTEM BILEVEL MILITARY The S.I.R.(TM) System is designed to fit mil-spec flat top receivers from Colt, Armalite and Bushmaster in the 5.56 carbine lengths. There may be other flat top receivers manufactured that the S.I.R. may fit to properly, but we do not guarantee or warra ...
A.R.M.S. #51 S.I.R. SYSTEM A2 CARBINE LENGTH AR-15 RIFLE	A.R.M.S. #51 S.I.R. SYSTEM A2 CARBINE LENGTH AR-15 RIFLE Get Price from MSP A.R.M.S. #51 S.I.R. SYSTEM A2 CARBINE LENGTH SIR The S.I.R.(TM) System is designed to fit mil-spec flat top receivers from Colt, Armalite and Bushmaster in the 5.56 carbine lengths. There may be other flat top receivers manufactured that the S.I.R. may fit to properly, but we do not guarantee or w ...
	A.R.M.S. #53M S.I.R. AR-10 CARBINE MILITARY STYLE Get Price from MSP A.R.M.S. #53M S.I.R. AR-10 SYSTEM CARBINE Military Version 7.62 cal. slimline for AR-10 Carbine length. Wt. 21.4 oz* *Wt. measured w/o 1,2,3 rails and sling swivel which are included with the SIR system. Rails can be removed/added as needed. ...
A.R.M.S. #58M S.I.R. SYSTEM MID-LENGTH AR-15 RIFLE	A.R.M.S. #58M S.I.R. SYSTEM MID-LENGTH AR-15 RIFLE Get Price from MSP A.R.M.S. #58M S.I.R. SYSTEM MID-LENGTH The S.I.R.(TM) System is designed to fit mil-spec flat top receivers from Colt, Armalite and Bushmaster in the 5.56 carbine lengths. There may be other flat top receivers manufactured that the S.I.R. may fit to properly, but we do not guarantee or warrantee S ...
A.R.M.S. # 58MOD S.I.R. SYSTEM MID-LENGTH MODIFIED AR-15 RIFLE	A.R.M.S. # 58MOD S.I.R. SYSTEM MID-LENGTH MODIFIED AR-15 RIFLE Get Price from MSP A.R.M.S. # 58MOD S.I.R. SYSTEM MID-LENGTH MODIFIED The S.I.R.(TM) System is designed to fit mil-spec flat top receivers from Colt, Armalite and Bushmaster in the 5.56 carbine lengths. There may be other flat top receivers manufactured that the S.I.R. may fit to properly, but we do not guarantee or ...
A.R.M.S. S.I.R. SWIVEL FOR #2 & #3	A.R.M.S. S.I.R. SWIVEL FOR #2 & #3 Get Price from MSP A.R.M.S. S.I.R. SWIVEL FOR #2 & #3 ...