CMMG 57DF1C7 BRL 10.4 PS90 415CMV 5.7X28

CMMG 57DF1C7 Barrel Sub-Assembly 5.7x28mm 10.40" Medium Taper Threaded, Fits PS90 SBR
CMMG's PS90 SBR threaded barrel is constructed of 4150 chrome moly vanadium with chrome lining and a maganese phosphate coating. It is 10.4" long and is chambered for FN 5.7x28mm caliber.