YANKEE HILL MACHINE SIDEWINDER M2 45 ACP HANDGUN SUPPRESSOR YHM SIDEWINDER M2 .45 ACP Piston - .578x28 Black Experience both affordability and exceptional performance with the Sidewinder M2 suppressor. Its overhauled booster system seamlessly accommodates industry-standard pistons from brands such as SilencerCo, Rugged, and Dead Air, providing versatility and ease of use through tool-free piston interchangeability. Furthermore, an improved front cap engagement design simplifies servicing, elevating this suppressor's functionality. The Sidewinder M2 blends lightweight durability by utilizing 7075-T6 aluminum for its high-efficiency mono-core baffle and Mfg: Yankee Hill Machine Co., Inc.