The Rugged Suppressors .338 3-Port Muzzle Brake is a purpose-built muzzle device sized for .338 (8.6mm) rounds. It incorporates Rugged’s Dual Taper Locking System and is finished in Black Nitride for corrosion resistance. The brake threads in 5/8×24 tpi and ships with timing shims for proper alignment. It is compatible with Rugged’s Alaskan360 and Alaskan360Ti suppressors and can be used with 1.375×24 threaded suppressors when paired with the R.U.M. (Rugged Universal Mount).
Key Specifications
- The model is 3 Port Brake.
- Sized for .338 caliber (8.6mm).
- The thread pattern is 5/8×24 tpi.
- Includes timing shims for proper alignment.
- The locking system is Dual Taper Locking System.
- The finish is Black Nitride.
- Compatibility includes Alaskan360 / Alaskan360Ti and R.U.M. mount.
- Country of origin is US.
- Reported package dimensions are 1.40 X 1.55 X 2.70.
- Reported weight is 0.1.
Purpose-built for shooters who want reliable recoil control and robust construction, this 3-port brake provides consistent performance both unsuppressed and as part of a R.U.M.-mounted suppressor system. Its simple, rugged design and common 5/8×24 threading make it a practical choice for rifles chambered in .338 where compatible parts are used.





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