Breek Arms BRK4431 Echo Single-Port | .30 Cal | 5/8×24

The Breek Arms Echo Single-Port (BRK4431) is an ultra-compact Plan B-compatible muzzle device engineered for .30-caliber rifles. Its single-port layout and nitride steel construction prioritize a low-profile fit and durable finish. The design uses horizontal blast-vectoring ports to manage muzzle rise while maintaining compatibility with Plan B mounting systems and suppressor workflows. Typical applications include precision/practical shooting and use on suppressor-equipped rifles.

Product Specifications

• The manufacturer part number is BRK4431.
• The model is listed as Echo Single Port.
• The caliber designation is .30 Caliber.
• The thread pattern is 5/8″x24.
• The threads are specified as 5/8-24.
• The finish is Nitride.
• The material is Steel.
• The size is described as Ultra Compact.
• This muzzle device is designed for use with the Plan B mounting system.
• The design incorporates 90 horizontal blast-vectoring ports to control muzzle rise.
• The device is intended for installation on rifles compatible with the stated thread pattern.
• The UPC for this product is 812296031787.

The Echo Single-Port offers a compact, durable option where a low-profile muzzle device is required. Its nitride finish and steel construction are intended to hold up under regular use, and the Plan B compatibility streamlines transitions between standard use and suppressed setups. For users who prioritize a minimal footprint and straightforward function, this muzzle brake presents a practical component to integrate into a shooting setup.