CMMG 57DF1C7 10.4″ 5.7x28mm Barrel Sub-Assembly for PS90 SBR

Upgrade your PS90 SBR with the CMMG 57DF1C7 Barrel Sub-Assembly. Designed for the FN 5.7x28mm caliber, this 10.4-inch barrel features a medium taper and is threaded for versatile attachment options. Constructed from durable 4150 chrome moly vanadium, it boasts a chrome lining and manganese phosphate coating for enhanced longevity. With a 1:9" rate of twist, this barrel is engineered for optimal performance and precision. Perfect for firearm enthusiasts seeking quality and reliability in their SBR build.