Breek Arms BRK4430 Plan B Echo Single-Port | 1/2×28 | .223/5.56

The Breek Arms BRK4430 Plan B Echo single-port muzzle brake is an ultra-compact compensator designed for the Plan B / Atlas mounting system. Intended for use with .223 Rem / 5.56 NATO barrels threaded 1/2×28 TPI, it provides horizontal blast-vectoring to help control muzzle rise and maintain sight picture. Constructed from 4140 hardened steel with a nitride finish, the brake balances durability and low weight for use in precision and fast-follow-up shooting contexts.

Product Specifications

• The part number is BRK4430.
• The UPC is 812296031794.
• The caliber compatibility is listed as .223 Rem/5.56 NATO.
• The thread pattern is 1/2×28 TPI.
• The weight for .223/5.56 is 2.3 oz.
• The overall length measures 1.75 inches.
• The material is specified as 4140 hardened steel with a nitride finish.
• The model name is Echo Single-Port.
• The size is described as Ultra Compact.
• The device is compatible with the Plan B / Atlas suppressor mount.
• The recommended torque specification is 20-30 ft-lbs.
• The package includes a peel washer.
• Installation requires a 13/16 inch wrench.
• The finish is listed as nitride.

Compact and purpose-built, the Plan B Echo single-port muzzle brake provides controlled, predictable blast-vectoring without adding unnecessary bulk. Its hardened-steel construction, concise length, and fit for the Plan B / Atlas mounting system make it a practical choice for competition stages and precision-range work where fast follow-up shots and a stable sight picture matter.