Exceptional Modularity and Compatibility

Unlock the full potential of your shooting experience with the Sig Sauer ® MCX-REGULATOR Semi-Auto Rifle. Its innovative lower receiver design allows seamless compatibility with all MCX upper receivers, providing you with unparalleled modularity. Whether you’re customizing for sport, hunting, or tactical operations, this rifle adapts effortlessly to your needs. The precision-engineered components ensure a smooth, reliable performance, making it an essential addition to your firearm collection.

Superior Accuracy and Performance

Experience pinpoint accuracy and unmatched performance with the cold-hammer-forged barrel and SIG-designed compensating muzzle brake. Each shot delivers consistent, spot-on precision, making this rifle a trusted choice for elite Special Forces and dedicated shooters alike. The reliable gas-piston operating system and crisp 2-stage match trigger further enhance your shooting experience, ensuring rapid and accurate follow-up shots every time.

Ergonomic Design and Versatility

The Sig Sauer® MCX-REGULATOR is designed with user comfort and versatility in mind. The ergonomic Magpul® SGA Mossberg 500/590 traditional stock offers a secure and comfortable hold, while the ambidextrous magazine release, safety selector, and bolt catch provide easy operation for both right and left-handed shooters. Additionally, the ARCA Rail allows for easy tripod mounting, making this rifle an excellent choice for various shooting positions and environments. Complete with a 10-round magazine, this rifle is ready for any challenge.

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