Breek Arms Echo S-Port Muzzle Brake – .30 Cal 5/8x24 – AR-10 / .308 Rifles

The Breek Arms Echo S-Port Muzzle Brake is a side-ported brake designed to reduce felt recoil and muzzle rise on .30 caliber rifles. Gas vents through strategically placed ports to counter vertical climb and rearward impulse, allowing faster follow-up shots and improved control during strings of fire. This brake is particularly effective for semi-automatic AR-10 pattern rifles and bolt-action precision guns in .308 Winchester, 6.5 Creedmoor, and similar chamberings.

Machined from steel with a durable finish, the Echo S-Port threads directly onto barrels with 5/8x24 TPI threading—standard for most .30 caliber rifles. Installation requires a crush washer or timing shim kit (not included) to properly index the ports. The compact profile minimizes added length while maintaining effectiveness. Compatible with most AR-10 / .308 platforms and bolt-action rifles with matching thread pitch.

• Type: Side-Ported Muzzle Brake
• Caliber: .30 Cal (.308 / 7.62mm)
• Thread Pitch: 5/8x24 TPI
• Material: Steel
• Compatible Firearms: AR-10, .308 Win, 6.5 Creedmoor, 7.62x51 rifles with 5/8x24 threading