The Gemtech 7.62 ETM 3-port muzzle brake (Gemtech part no. 13817) is a 5/8×24 threaded muzzle device for .30 caliber barrels, made to line up with ETM-equipped suppressors. It is 2.375 inches long and comes pre-dimpled so it can be pinned and welded to a 14.5-inch barrel. Gemtech designed it to virtually eliminate the possibility of carbon locking with a suppressor attached. It is a practical muzzle device for a 7.62 rifle that spends time both with and without a suppressor.

Key Specifications

• The caliber is .30 caliber (7.62), for 7.62mm-class barrels.
• The thread is 5/8×24, the common .30 caliber muzzle thread.
• The design is a 3-port muzzle brake, which vents gas through three ports at the muzzle.
• Overall length is 2.375 inches, a short, compact device.
• The finish is black.
• It is pre-dimpled for pin and weld to a 14.5-inch barrel, so it can be permanently attached.
• It is built for alignment with ETM-equipped suppressors, which virtually eliminates the possibility of carbon locking with a suppressor attached.

Frequently Asked Questions

What thread does the 7.62 ETM brake use? It uses 5/8×24 threads, for .30 caliber and 7.62mm barrels.

Will it work with a suppressor? Yes. It is made to align with ETM-equipped Gemtech suppressors, and Gemtech says the design virtually eliminates the possibility of carbon locking with a suppressor attached.

Can it be permanently attached? Yes. It is pre-dimpled for pin and weld to a 14.5-inch barrel.

Buy the Gemtech 7.62 ETM 3-Port Muzzle Brake, 5/8×24 Thread

A brake that mounts cleanly makes a 7.62 rifle easier to run, and the ETM design is built to work with a suppressor when you decide to add one. Order it from our Lubbock, Texas gun shop for fast shipping, and browse more parts and accessories while you are here.