YHM Sidewinder 9mm Adapter | 1/2×28 | YHM-3245-28

The Yankee Hill Machine Sidewinder adapter YHM-3245-28 is a 9mm piston component designed for use with the Sidewinder piston/suppressor interface. It provides a 1/2×28 NFA thread pattern for installation on compatible 9mm hosts. The adapter is a dedicated accessory intended for component integration and range/competition use.

Product Specifications

• The UPC is 816701019094.
• The manufacturer is Yankee Hill Machine.
• The manufacturer part number is YHM-3245-28.
• The product type is Accessory-Silencer Accessories.
• The NFA thread pattern is 1/2×28.
• The caliber listed is 9mm.
• An additional feature listed is 9mm Piston For Sidewinder.
• The weight is 0.1 (unit not specified in source data).
• The length is 5.3 (unit not specified in source data).
• The width is 3.2 (unit not specified in source data).
• The height is 1.3 (unit not specified in source data).
• The package length is 5.6 (unit not specified in source data).
• The package width is 3.3 (unit not specified in source data).
• The package height is 1.3 (unit not specified in source data).
• Can be disassembled: False.
• Scope cover included: False.

This adapter is intended for users integrating a Sidewinder piston into 9mm platforms where a 1/2×28 threaded interface is required. Typical applications include range training and competition environments where reliable, mechanically compatible components are needed. The component-focused design keeps installation straightforward for experienced assemblers and armorer-level users.