Yankee Hill Machine Sidewinder piston for .40 S&W with 14.5x1mm LH NFA thread pattern. Component designed to interface a Sidewinder silencer system with a .40 S&W host.
The Yankee Hill Machine Sidewinder Piston is a dedicated silencer accessory intended to mate the Sidewinder suppressor interface to firearms chambered in .40 S&W. It specifies an NFA thread pattern of 14.5x1mm LH to match compatible Sidewinder components. This listing covers the piston component only; it does not include a suppressor body or host firearm.
Product Specifications
The product type is Accessory-Silencer Accessories.
The intended caliber is .40 S&W.
The NFA thread pattern is 14.5x1mm LH.
The listed additional feature is 40S&W Piston For Sidewinder.
Can be disassembled: False.
The item weight is listed as 0.1.
Package width is 3.004.
Package length is 6.0.
Package height is 1.2.
Scope cover included: False.
Drilled and tapped: False.
Illuminated reticle: False.
This product can be dropshipped: True.
The UPC is 816701019087.
Use this piston when a precise thread interface is required to attach a Sidewinder silencer system to a .40 S&W host. The component is focused on reliable mechanical compatibility and straightforward installation for users fitting a suppressor-ready barrel or adapter with a 14.5x1mm left-hand thread. Suitable applications include competition or precision rimfire/suppressor setups where the Sidewinder system is specified and maintenance or replacement of the piston is needed.
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