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

The Yankee Hill Machine Sidewinder 9mm Adapter (YHM-3245-28) is a piston adapter designed for the Sidewinder system and specified for 9mm. It provides a 1/2×28 thread interface for use with Sidewinder silencer accessory assemblies. Typical applications include range training and competition shooting where a dedicated 9mm piston interface is required.

Product Specifications

• The manufacturer is Yankee Hill Machine.
• The product name is Sidewinder 9mm Adapter.
• The manufacturer part number is YHM-3245-28.
• The listed caliber is 9mm.
• The NFA thread pattern is 1/2×28.
• The product type is listed as Accessory-Silencer Accessories.
• An additional feature is listed as 9mm Piston For Sidewinder.
• The listing indicates can be disassembled: False.
• The listed weight is 0.1.
• The package measures 5.6 x 3.3 x 1.3 as provided (length x width x height).
• The product dimensions are listed as 5.3 x 3.2 x 1.3 (length x width x height).
• The product UPC is 816701019094.

This adapter is a purpose-built component for integrating 9mm Sidewinder piston elements into compatible accessory stacks. Its straightforward specification set and dedicated thread pattern make it appropriate for shooters and armorers assembling or maintaining Sidewinder-compatible configurations for training and competitive applications.