A.R.M.S. 50M-CV SIR SYSTEM

A.R.M.S. 50M-CV SIR SYSTEM RAIL

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Home > GUN ACCESSORIES > A.R.M.S.

A.R.M.S. 50M-CV SIR SYSTEM

Item Id: 29

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$319.00

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A.R.M.S.® #50M-CV™ S.I.R. System Weight: ONLY 8.6 oz. The A.R.M.S.® #50M-CV™ S.I.R.® System for Carbine length 5.56 cal. Entire S.I.R.® front end can be installed in less than 5 min. directly to the std. barrel nut without Delta ring. Totally Free Floating. • Front sight, gas tube, and front handguard retaining cap do not need to be removed. • Barrel does not have to be removed. • Standard barrel nut does not need to be removed or replaced. • Perfect alignment with the receiver can be accomplished via built in alignment anti-rotation locking tabs. • No special tools required, S.I.R.® std. sling swivel is useable for installation. • The system only weighs 8.6 oz. The weight will increase depending on what selective rails are chosen to be utilized plus the weight of the sling swivel. • Handguard complete with Q.D. indirect air flow heat shield. • The S.I.R.®’s selective rails at the 3, 6 and 9 o’clock positions can be exchanged, repaired or replaced without removing the top main top rail. • Super cool offset heat venting. • The optional S.I.R.® rail also provides a modular means to cost effectively upgrade into future integral electronics, and provide a solid platform, can eliminate the need to use high less stable mounting devices, plus protects the top of the aluminum receiver at the same time protecting the receiver; can eliminate replacement of a damaged receiver.