Precision machined in the USA from 4140 steel with manganese phosphate or black Oxide protective coating. You can install this with a standard barrel nut wrench and pin it in place.

This projector sleeve is designed to work in conjunction with BOTH our AR short barrel muzzle brakes (4 Slot & 3 Slot) AND our short barrel AK-47 14-1 LH muzzle devices (3-Slot Vortex & 4-Slot Vent) 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"
Weight ~ 4.3oz

Photos taken with a 10.5" 5.56 barrel using 55 gr FMJBT XM193 - Federal American Eagle ammo.