About the YHM Nielsen Piston
10mm/.40 Cal Nielsen booster piston threaded 9/16×24 for YHM booster assemblies and the Sidewinder M2.
Key Features
- Heat-treated 17-4 stainless
- 10 adjustment points to zero impact shift
- Fits YHM booster and Sidewinder M2
- Not for original Sidewinder
- Made in USA
Specifications
| Manufacturer | Yankee Hill Machine Co. (YHM) |
|---|---|
| Part Number | YHM-2062-24 |
| Type | Piston |
| Caliber | 10mm/.40 Cal |
| Thread | 9/16×24 |
| Material | Heat-treated 17-4 stainless steel |
| Color | Silver |
| Weight | 1.40 oz |
| Compatibility | R45, Sidewinder M2 .45 |
FAQ
What does it fit?
R45, Sidewinder M2 .45. Confirm your thread pitch and suppressor caliber rating before ordering.
What’s included?
One Nielsen 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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