Breek Arms BRK4331 Echo Single-Port Muzzle Brake

The Breek Arms Echo Single-Port muzzle brake is a compact, single-piece device designed to work with the Breek-LOK 3QD attachment system on compatible .30 caliber platforms. Its profile combines horizontal blast-vectoring ports and auxiliary jet holes to manage muzzle rise and improve follow-up shot control. The Echo is offered with a nitride steel finish and is designed for pinned-and-welded installation on 14.5″ barrels to meet the 16″ federal minimum overall barrel length.

Applications: suitable for short-barrel rifle (SBR) builds requiring a pinned & welded muzzle device and for competition or precision-oriented shooting where rapid follow-up shots and muzzle control are priorities.

Product Specifications

• The manufacturer is Breek Arms.
• The manufacturer part number is BRK4331.
• The model is Echo Single Port.
• The product type is a Brake.
• The caliber is specified as .30 Caliber.
• The material is Steel.
• The finish is Nitride.
• The color is Black.
• Compatibility is listed as Breek-LOK 3QD.
• The design includes 90 horizontal blast-vectoring ports to manage muzzle rise.
• The design also includes six small jet-effect holes for additional control of muzzle movement.
• The device is designed to be pinned & welded on 14.5″ barrels to meet a 16″ minimum barrel length.
• The thread pattern/fit information is listed by the manufacturer; see notes for review due to conflicting data.
• UPC: 812296031671.

The Echo Single-Port brake offers a clean, low-profile solution for shooters building compact rifles that require quick-detach suppressor compatibility with the Breek-LOK 3QD system. Its combination of horizontal ports and jet holes reduces muzzle climb and improves shooter comfort without adding unnecessary length to the muzzle assembly.