HUXWRX RAD Piston M13.5×1 LH, Black Nitride

The HUXWRX RAD Piston M13.5×1 LH is a suppressor piston designed to facilitate reliable cycling and secure attachment on compatible hosts. It is manufactured from heat-treated 17-4 stainless steel and finished with a black nitride coating for improved wear and corrosion resistance. Integrated wrench flats simplify installation and removal, and the M13.5×1 LH thread pattern matches common RAD-series mounting standards. The piston is interchangeable with SilencerCo and Rugged pistons and fits HuxWrx RAD 9 and RAD 45 suppressors.

Key Specifications

• Made from 17-4 stainless steel for strength and durability.
• Finished with a black nitride coating to enhance wear and corrosion resistance.
• Features M13.5×1 LH thread pattern for compatibility with RAD-series mounts.
• Designed to fit HuxWrx RAD 9 and RAD 45 suppressors.
• Interchangeable with SilencerCo and Rugged pistons.
• Includes wrench flats for more secure installation and faster removal.
• Can be used with reciprocating semi-auto barrels when paired with a piston spring.
• Can be used with fixed-barrel firearms when paired with a fixed barrel spacer.
• Package color and finish listed as matte/black.
• Model identified as the RAD Piston.

Robustly built and purpose-driven, this piston offers dependable service for shooters who run RAD-series suppressors and expect consistent function. Its heat-treated construction and corrosion-resistant finish deliver long-term durability, while interchangeability with common aftermarket pistons gives you practical flexibility. Whether you’re maintaining a suppressor kit or upgrading components for smoother cycling, this RAD piston provides a durable, serviceable solution.