• Sig Sauer MCX-R REGULATOR​

  • Semi-Automatic Rifle​

  • 5.56 NATO​

  • 16" Barrel​

  • Sig 2-Port Muzzle Brake​

  • Coyote Cerakote Finish​

  • M-LOK Free Float Handguard​

  • Magpul SGA590 Stock​

  • Ambidextrous Safety and Magazine Release​

  • 10 Rounds​

  • 1 Magazine​

  • Fully Ambidextrous Mag Release, Safety Selector, and Bolt Catch​

  • SIG Designed 2-Port Compensating Muzzle Brake​

  • Proprietary SIG 2-Stage Match Trigger​

  • Receiver Integrated ARCA Rail​

  • Magpul SGA590 Stock​

  • Lower Receiver Compatible with All MCX Upper Receivers​

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    The SIG MCX-R Regulator is the newest member of Sig's MCX family. Equipped with an Aluminum frame, it is finished in Gen2 NiR FDE Cerakote.​

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    Additional features include a 16 inch, cold hammer forged carbon steel barrel, a Magpul SGA Stock and fully ambidextrous Mag Release, Safety Selector and Bolt Catch.​

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    A SIG designed 2-port Compensating Muzzle Brake on the 5.56 models is accompanied by a Receiver Integrated ARCA Rail, with a lower receiver that is compatible with all MCX Uppers.​

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    Manufacturer Part #: RMCXR-556N-16B​

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    UPC: 798681696413