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The Sig Sauer® MCX-REGULATOR Semi-Auto Rifle combines the tried-and-true ranch rifle with aspects of rifles used by elite Special Forces. A proprietary lower-receiver design creates exceptional modularity for an MCX platform, allowing you to use all MCX upper receivers with the MCX REGULATOR. Cold-hammer-forged barrel with a SIG-designed compensating muzzle brake delivers spot-on accuracy again and again. Reliable gas-piston operating system and crisp 2-stage match trigger. Ergonomic Magpul® SGA Mossberg 500/590 traditional stock provides a secure yet comfortable hold. Ambidextrous magazine release, safety selector, and bolt catch. Equipped with an ARCA Rail for easy tripod mounting. Includes 10-round magazine.

  • Innovative lower receiver can be used with all MCX upper receivers
  • Cold-hammer-forged barrel with SIG-designed compensating muzzle brake
  • Reliable gas-piston operating system
  • Crisp 2-stage match trigger
  • Ergonomic Magpul SGA Mossberg 500/590 traditional stock
  • Ambidextrous magazine release, safety selector, and bolt catch
  • ARCA Rail for easy tripod mounting
  • Includes 10-round magazine

Sig MCX Regulator MA OK AR15 /W Romeo 2 BRAND NEW

PriceFrom $1,650.00
Excluding Sales Tax
Available in Store
    How to Purchase a Gun Online with Bay State Surplus
    Easy & Convenient.

    When buying a firearm from Bay State Surplus, you can pay for shipping or select 'store pickup' at checkout to skip the fee. Shipped firearms must go to a licensed FFL dealer with their consent and license copy. We offer Priority or Ground shipping. IT IS THE BUYERS RESPONSIBILITY TO CONFIRM THE FIREARM/ MAGAZINE IS IN STOCK & COMPLIANT IN THEIR STATE. Feel free to ask us any questions at baystatesurplus@gmail.com. Thank you for choosing Bay State Surplus!

    Download the approved handgun roster to view which handguns are transferable in Massachusetts

    The enforcement of the Long Gun Roster has been postponed until the roster is officially released, and the release date remains uncertain. As of writing this (11/25/2024), all long guns are still transferable in Massachusetts for now, provided they do not meet the NEW definition of an "Assault Style Firearm."

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