The Breek Arms Echo Single-Port Muzzle Brake (MPN BRK4331) is a .30 caliber muzzle brake threaded 5/8-24 that mounts to the Breek-LOK 3QD quick-detach hub system.

Key Specifications

• Bore sized for .30 caliber
• Thread pattern: 5/8-24
• Product type: single-port muzzle brake
• Interfaces with the Breek-LOK 3QD HUB’s tri-lug engagement system for quick-detach suppressor mounting
• Part of the Breek LOK 3QD muzzle device family
• Manufactured by Breek Arms

Frequently Asked Questions

Is this brake an NFA item?
No. It is a muzzle brake and suppressor-mounting interface; only a suppressor attached through the Breek-LOK system is a regulated Title II item.

What thread pitch does it use?
5/8-24, the standard thread for most .30 caliber rifles.

How does it mount a suppressor?
It pairs with the Breek-LOK 3QD HUB, which uses a tri-lug engagement system for fast, repeatable suppressor attachment.

Buy the Breek Arms Echo Single-Port Muzzle Brake

Set up your .30 caliber rifle for quick-detach suppressor use with this Echo brake from Breek Arms. Ships fast from Lubbock, TX in our Class 3 parts and accessories lineup.