Enhance your 1911 Fullsize with the SIG MCX 556 Barrel Gas Block Assembly. Designed as a 16" upgrade, this original SIG SAUER component is perfect for replacing your existing barrel. Crafted from high-quality materials, the threaded barrel is chambered in .45ACP, providing the versatility to attach a suppressor or other muzzle devices. A durable knurled thread cap ensures the muzzle is protected when not in use. Engineered for toughness and longevity, this factory replacement barrel undergoes special heat treatment. The package includes a link and pin, though some fitment may be required.
WARNING for California Residents
WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm, and other serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposure. For more information go to www.p65warnings.ca.gov/.
