YHM Sidewinder .40 Adapter | 9/16×24 | YHM-3235-24

The YHM Sidewinder piston/adapter is a factory part intended for use with Yankee Hill Machine’s Sidewinder silencer components. It is specified for .40 S&W and uses a 9/16×24 thread pattern, matching common pistol-thread standards. This part functions as a silencer accessory piston for configuring suppressor-equipped pistons on compatible host firearms.

Typical applications include building or maintaining a Sidewinder suppressor assembly and preparing a pistol for competition or extended range use where a modular piston is required. It is a purpose-built component, not a standalone muzzle device.

Product Specifications

• The manufacturer is Yankee Hill Machine.
• The listed product name is YHM SIDEWINDER .40 ADAPTER 9/16-24 YHM-3235-24.
• The manufacturer part number is YHM-3235-24.
• The product type is listed as Accessory-Silencer Accessories.
• The caliber/gauge is listed as .40 S&W.
• The NFA thread pattern is 9/16×24.
• The listed weight is 0.12.
• The product’s listed dimensions are length 5.5, width 3.3, and height 1.3.
• The package dimensions are listed as length 5.5, width 3.3, and height 1.3.
• This item is not designed to be disassembled (False).
• An additional feature listed is 40 S&W Piston For Sidewinder.
• Scope cover included is listed as False.
• The UPC is 816701019070.

This Sidewinder piston adapter provides a direct, specification-matched component for integrating .40 S&W pistons into the Sidewinder family. It is compact and intended for users who need a factory-compatible piston for suppressor assemblies or for maintaining a modular setup. The part’s concise footprint and standard thread pattern make it straightforward to install where a piston of this specification is required.