The Yankee Hill Machine Sidewinder Piston is a replacement or spare piston designed for use with YHM pistol suppressors chambered in .45 ACP.
- Type: Suppressor Piston
- Thread Pitch: .578×28
- Caliber: .45 ACP
- Compatible With: YHM Sidewinder and compatible pistol suppressors
- Material: Steel construction
- Use: Replacement or spare piston for pistol suppressor mounting
