Sig Sauer MCX-R Regulator, 5.56 NATO, 16" Barrel, FDE, 10 Rounds - 16" Barrel, 10+1 Rounds

Sig offers the MCX-R is 5.56NATO and 7.62X39 calibers that are optic ready, and shooters also have the option to purchase the 5.56NATO with a ROMEO2 optic already installed. Sporting an Aluminum Frame finished in Gen 2 NiR FDE Cerakote, the MCX-R is fitted with a Magpul SGA Stock and fully ambidextrous controls including the Mag Release, Safety Selector and Bolt Catch. Additional features include the 16 inch, Cold Hammer Forged Carbon Steel Barrel, a 2 Stage Match Trigger and a 2-ported compensating muzzle brake on the 5.56 models and a 3-ported compensating muzzle brake on the 7.62X39 model. Engineered with a lower receiver, that is compatible with all MCX Uppers, every SIG MCX-R Regulator also includes a Receiver Integrated ARCA Rail.