THE GUN ROOM

See full-sized image.

New Model! Sig Sauer RMCXR-556N-16B MCX-R REGULATOR, Semi-Automatic Rifle, 5.56NATO, 16″ Barrel, Sig 2-Port Muzzle Brake, Cerakote Coyote Finish, M-LOK Free Float Handguard, Magpul SGA590 Stock, Ambidextrous Safety and Magazine Release, 10 Rounds, 1 Magazine (AR-15)

Status: In Stock as of February 22, 2025

Category: Rifles
Brand: Sig Sauer
Keywords: 556 NATO, MCX, MCX-R, Ranch, Regulator, Sauer, Sig

Manufacturer SKU: RMCXR-556N-16B (Manufacturer Link)
Caliber: 556 NATO / 223 Rem
Number of rounds: 10+1 (30/40 Avail)
Barrel length: 16"
Weight: 7.9 lbs.
Features: 2 Stage match Trigger. Ambi. Magpul SGA590 Stock
Recommended Scope: Nightforce NX8 1-8X24, Trijicon MRO
Condition: New In Box!
Price: $2,999 Credit! $30 Shipping!

Contact us about this product.

The ultimate “Ranch Rifle” version of the hard to get Sig MCX! 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. 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. Sig offers this new MCX-R Regulator Rifle in 5.56NATO. 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.

Key Features:

• 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
• AR-15 Magazine

PLEASE WATCH SIG MOVIE ABOUT THE NEW REGULATOR:

PLEASE CLICK ON PICTURE FOR MORE RESOLUTION!