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Fits flat-top equipped weapons with carbine length gas systems. The #50 is a slim line S.I.R. featuring a bi-level top dovetail rail. The forward rail section is lowered to allow co-witnessing of heads up display type optics when used in conjunction with our #40 series rear sights and a standard height front sight post. Installation requires the removal of the delta ring.
*TM the distinctive shapes, styles, and appearances of all A.R.M.S. S.I.R Systems are trademarks of A.R.M.S.
Wt. 15.0 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.
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