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Breek Arms® Echo™ Single-Port Plan B Muzzle Brake – 9mm – 1/2x28 – BRK4433
The Breek Arms® Echo™ Single-Port Plan B Muzzle Brake (BRK4433) is a ultra-compact 2026-spec muzzle upgrade engineered for maximum efficiency on modern 9mm pistol caliber carbines (PCCs), subguns, and short-barreled rifles. As muzzle device architecture moves away from bulky, proprietary attachment systems, the Echo series steps forward with native compatibility for the widely adopted Plan B / Rearden style taper-mount interface. This gives shooters access to a highly secure, lightweight quick-detach system (812296031800) that effortlessly ports into a wide variety of suppressors utilizing standard HUB mounting adapters.
Precision-machined from high-strength steel and treated with a sleek, corrosion-resistant black matte nitride finish, the BRK4433 features the industry-standard 1/2x28 TPI thread pattern common on 9mm barrels. Its single-port layout is meticulously optimized to Vent expanding propellant gases outward to effectively mitigate muzzle flip, ensuring exceptionally flat, fast follow-up strings of fire when shooting unsuppressed. When it's time to run silent, the external taper geometry provides a gas-tight mechanical seal that keeps the silencer perfectly concentric to the bore, completely eliminating the threat of baffle strikes. Best of all, its shortened minimalist length leaves plenty of room inside your suppressor's first blast chamber to keep acoustic performance prioritized.
Includes: (1) Breek Arms Echo Single-Port Plan B 9mm Muzzle Brake and Precision Timing Crush Washer/Shim Kit.
Key Features
- Plan B / Rearden Native Cut: Features an integrated external taper-lock thread geometry that pairs flawlessly with Q Plan B, Rearden Atlas, and matching QD adapters.
- High-Efficiency Single Port: Directs explosive muzzle blast outward to aggressively fight vertical muzzle rise on lightweight 9mm sub-carbines.
- Minimalist Blast-Chamber Profile: Ultra-short length ensures maximal volume remains inside your suppressor's first baffle layer, improving sound performance.
- Anti-Carbon Lock Taper: Forward positioning of the seating taper locks out expanding gases, ensuring your silencer unscrews cleanly without seizing after high-volume use.
- Rugged Matte Black Nitride: Surface-hardening treatment provides deep scratch resistance and prevents carbon scaling from hot propellant gases.
- PCC Optimized Bore: Generous inner diameter clearance safely accommodates standard 9mm Luger projectiles and sub-caliber alternatives.
Product Specifications
- Brand: Breek Arms®
- Series: Echo™ Plan B Series
- SKU / MPN: BRK4433
- Caliber: 9mm Luger (9x19mm) / .350 Legend Max
- Thread Pattern: 1/2"x28 TPI
- Mounting Interface: Plan B / Rearden Atlas Compatible Taper Mount
- Material: Heavy-Duty Hardened Alloy Steel
- Finish: Matte Black Nitride
- Port Configuration: Single Port Side-Vented
- Weight: 1.60 oz (0.10 lbs)
- UPC: 812296031800
