Midwest Industries Blast Can, 1/2X28 TPI, For 5.56/.223 Rifles, Overall Length 3.375", Includes Crush Washer, Black Hardcoat Anodized 6061 Aluminum MI-BC556
Specifications:

Type	Muzzle Device
Model	AR-15
Dimensions
Size	.223/5.56
Material	6061 Aluminum
Action
Trigger
Safety
Thread Pattern	1/2"-28 tpi
Finish	Black Hardcoat Anodized
Bolt Type
Hand
Hammer Type
Max Capacity