Yankee Hill Machine CO Yhm Nielsen Piston M13.5-1LH 9mm SLV
$69.75
Enhance your suppressor setup with the YHM Nielsen Piston for 9mm Luger firearms, designed for optimal performance and precision. Constructed from heat-treated 17-4 stainless steel, this durable piston features 10 adjustment points to eliminate impact shift and is compatible with YHM’s booster housing and many popular pistol suppressors. Weighing just 1.40 oz., it’s a must-have accessory for serious shooters looking to maximize their setup.
9 in stock
Yankee Hill Machine Co Nielsen Pistons, 9mm, M13.5X1 LH, Stainless Steel, Compatible with YHMs Booster Housing YHM-2055 as Well as Many Popular Pistol Suppressors, Silver YHM-2060-M
| Weight | 0.125 lbs |
|---|---|
| Dimensions | 5.500 × 3.500 × 1.250 in |
| Manufacturer | Yankee Hill Machine |
| Finish | Stainless Steel |
| Caliber | 9mm |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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