A.R.M.S. #50M-CV S.I.R. System


Item Number: ARMS 50M-CV
Your Price: $323.73
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. Pat. Nos US7,707,762B1, RE39465, D544564

This item or some of it's components cannot be exported from the United States of America.
US Military APO Addresses exempt.

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