Both the Dissipator Sleeve and 3 Slot Brake are precision machined in the USA from 4140 Steel with a black oxide protective coating. 

3 Slot Muzzle Brake:
This muzzle brake is designed for use with 1/2" x 28 threaded barrels on short rifles and pistol-style weapons.
The three slots provide very effective blast and recoil reduction.
The 1" x 20 OD threads allow use with our Dissipator Sleeve, which directs the muzzle blast forward and away from the shooter when used on a pistol or SBR in confined spaces such as indoors or from within a vehicle.

OL ~ 2 1/4"
OD ~ 15/16"
Weight ~ 2.9oz

Dissipator Sleeve:
This projector sleeve is designed to work in conjunction with our 3 Slot Muzzle Brake to direct muzzle blast, flash and sound away from the shooter when used in close, confined spaces.

Projector Sleeve OL ~ 2.25"
Projector Sleeve OD ~ 1 9/16

Made in USA