Dead Air Mojave Piston | M13.5x1LH | 9mm | PB441

The Dead Air Mojave Piston PB441 is a factory replacement piston designed specifically for use with the Mojave-9 suppressor on tilting-barrel handguns. It provides a direct-thread interface in the Metric M13.5×1 LH pattern for compatible 9mm barrels. Built to match the Mojave system’s fitment and function, the piston maintains alignment and repeatability when the suppressor is mounted.

Common applications include use during range training and as a service/field replacement for everyday carry (EDC) pistols that accept the Mojave-9 platform. It is intended for users who need a correct-thread replacement piston to preserve the suppressor’s mounting integrity.

Product Specifications

• The product type is a piston designed for suppressor attachment.
• The piston fits Dead Air Mojave suppressors (Mojave-9).
• The model designation is Mojave-9.
• The thread pattern is M13.5×1 LH (Metric, left-hand).
• The component is intended for 9mm caliber barrels with matching threads.
• The finish is black.
• The part number is PB441.
• The UPC for this item is 810128161893.
• The listed weight is approximately 1.6 oz.
• The overall listed dimensions are 1.10 x 2.90 x 4.45 inches.
• The component is not designed to be disassembled for user service.
• The piston is supplied to work with the Mojave mounting interface and may be used with compatible adapters such as the SD500 where specified by the manufacturer.
• The NFA thread pattern is specified as 13.5x1mm LH.
• The product color is specified as black.

This piston is a direct replacement part intended to restore factory fit and function for Mojave-9 users. It’s a straightforward service item for shooters who maintain original mounting geometry and want consistent suppressor alignment when installed on tilting-barrel 9mm pistols.

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