About the YHM Sidewinder Piston
9mm Sidewinder piston threaded M13.5×1 LH for tilting-barrel pistols.
Key Features
- Swap pistons to move the Sidewinder between hosts
- Redesigned Nielsen device with POI adjustment
- 17-4 PH stainless steel
- Not compatible with YHM-2055 Nielsen booster
- Made in USA
Specifications
| Manufacturer | Yankee Hill Machine Co. (YHM) |
|---|---|
| Part Number | YHM-3245-M |
| Type | Piston |
| Caliber | 9mm |
| Thread | M13.5×1 LH |
| Material | 17-4 PH stainless steel |
| Color | Silver |
| Length | 1.950″ |
| Weight | 1.5 oz |
| Mount System | Sidewinder |
| Compatibility | Sidewinder M2 9mm, Sidewinder M2 .45 |
FAQ
What does it fit?
Sidewinder M2 9mm, Sidewinder M2 .45. Confirm your thread pitch and suppressor caliber rating before ordering.
What’s included?
One Sidewinder Piston as shipped by YHM.
Where can I buy it?
Order online from Black Bayou Armory or visit our store in Benton, Louisiana.






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