This is a CMC Triggers Barrel chambered in 223 Wylde, model CMC-BBL-223-008.
CMC BARRELS SOCOM Profile Barrel 16.25" .223 WYLDE" 1:7" 41V50" CrMoV design is the perfect addition to any new or current Rifle build! You do not want your SBR or Pistol barrel to be too light or too heavy" so the CMC SOCOM Profile Barrel is your solution!
Features:
Barrel Length: 16.25";Barrel Profile: SOCOM;Barrel Material: 4150 Chrome Moly Vanadium;Barrel Type: Button Rifled;Barrel Coating: H&M Blacknitride+;Barrel Caliber: .223 Wylde;Barrel Gas System: Mid Length;Barrel Twist: 1:7;Barrel Extension: M4 Type Feed Ramps;Muzzle Thread: 1/2-28 TPI