Lantac

LANTAC Dragon® Muzzle Brake DGN556B-WM™ SPECIFICATION:Caliber: 5.56X45MM/.223Material: AISI4140, Hardened 48-52RcDimensions: L: 2.367’’ MOUNT: 1.080’’.Weight: 3.68ozThread: 1/2-28 UNEF R/HSerial Numbered for Quality Control Comes with appropriate timing shim set.Made in the USA.