Thor Armory ST4 9 mm PCC muzzle brake, 1/2-28

Category: Muzzle devices Description:

Muzzle brake for 9 mm AR-platform carbines with a 1/2-28 thread. Jointly developed by Thor Armory and ARMACON Arms Devices, it reduces muzzle rise and improves handling. It uses a conventional three-port muzzle brake layout, with port volume decreasing toward the muzzle. Correct orientation is set using a recessed Allen screw.

In stock:

8