Rugged Suppressors MB027 | 3-Port Brake .338 Cal

The Rugged Suppressors MB027 is a dedicated 3-port muzzle brake engineered for .338 caliber (8.6mm) rifles. It uses Rugged’s Dual Taper Locking System and is threaded M18x1.5 to interface with compatible Rugged mounts and suppressors. The device is offered with a black nitride finish and is intended for use on unsuppressed rifles or as a mounting interface for Rugged suppressors via the R.U.M. system.

Product Specifications

• The model is 3 Port Brake.
• The thread pattern is M18x1.5 tpi.
• The fit is M18X1.5.
• The bore diameter is .338 (8.6mm).
• The device incorporates a Dual Taper Locking System.
• The finish is Black Nitride.
• The country of origin is US.
• The NFA thread pattern is 18×1.5mm RH.
• The listed overall dimension is 1.55 x 1.50 x 2.55.
• The length is 2.5500.
• The width is 1.5000.
• The height is 1.5500.
• The product weight is 0.1 (unit as provided by manufacturer).
• The device cannot be disassembled per manufacturer attributes.
• The UPC is 850044499182.

The MB027 is compatible with Rugged’s Alaskan360 and Alaskan360Ti suppressors and can be used with a 1.375×24 threaded suppressor when paired to Rugged’s R.U.M. (Rugged Universal Mount). Its design addresses recoil mitigation on large-bore rifles while providing a secure tapered-lock interface for suppressor mounting options. Ideal uses include precision long-range shooting and big-game field applications where control and reliable mounting are priorities.