Gemtech 13816 5.56 ETM Muzzle Brake | 1/2-28

The Gemtech 13816 5.56 ETM muzzle brake is designed to provide reliable alignment with ETM-compatible suppressors while preserving install flexibility. Its three-port design and compact 2.37 inch profile make it suitable for use on 5.56-caliber rifles equipped for suppressor mounting. The part is pre-dimpled for pin-and-weld attachment to a 14.5″ barrel and finished in black.

Product Specifications

• The model is recorded as 5.56 ETM.
• The caliber is listed as 5.56mm.
• The mount type is 1/2-28.
• The length is 2.37 inches.
• The unit features a 3-Port barrel feature for gas redirection.
• The finish is described as Black.
• The product is pre-dimpled for pin and weld to 14.5″ barrels.
• The design is noted for alignment with ETM-equipped suppressors.
• The brake is specified as helping to virtually eliminate carbon locking with a suppressor attached.
• The manufacturer’s part number appears as 13816 in the product name.
• The UPC is 022188894752.

Built to interface directly with ETM suppressor systems, this brake offers a compact, serviceable profile and straightforward installation for suppressed 5.56 applications. Its pre-dimpled configuration simplifies permanent attachment where required, and the three-port layout supports consistent gas direction for suppressed use. For shooters who pair a brake with a suppressor for precision or competition range work, the Gemtech 13816 provides a focused, well-documented option.