The MCX SBR uses a short-stroke gas piston system designed to enhance reliability and reduce fouling for consistent function with a variety of 5.56 loads. Its 11.5" barrel balances velocity and handling, supporting both close-quarters maneuverability and practical mid-range precision. These characteristics make the compact 556 rifle a capable choice for users seeking a controlled, lightweight platform with modern operating behavior.
A lightened handguard improves agility while maintaining strength, and the folding stock increases storage and transport flexibility. Ambidextrous controls support efficient operation for left- or right-handed shooters, and the included QD flash hider is suppressor-ready for future expansion. With its ergonomic grip, included magazine, and durable IR Cerakote finish, the rifle forms a versatile SBR configured for responsive handling across varied conditions.
Sig Sauer MCX SBR Specifications
Manufacturer: Sig Sauer
Model: MCX
Type: SBR
Caliber: 5.56 NATO
Barrel Length: 11.5"
Finish: IR Cerakote Flat Dark Earth
Handguard: M-LOK, Lightened Pattern
Stock: Folding
Controls: Ambidextrous
Trigger: Sig Flatblade Match
Muzzle Device: Rocksett QD Flash Hider
Grip: Sig Sauer
Capacity: 30 Rounds
Magazine Included: 1
Finish Type: Anodized
Barrel System: Interchangeable
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
WARNING:
