| 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.
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Front sight, gas tube, and front handguard retaining cap do not need to be removed
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Barrel does not have to be removed
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Standard barrel nut does not need to be removed or replaced
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Perfect alignment with the receiver can be accomplished via built in alignment anti-rotation locking tabs
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No special tools required, S.I.R.® std. sling swivel is useable for installation
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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
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Handguard complete with Q.D. indirect air flow heat shield
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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
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Super cool offset heat venting
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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.
*TM the distinctive shapes, styles, and appearances of all A.R.M.S.® S.I.R® Systems are trademarks of A.R.M.S. |
