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Mfg Item #: YHM-2055
The YHM Nielsen Booster Assembly replaces the direct thread adapter on a YHM Sound suppressor or any other suppressor on the market which utilizes the 1 3/8"-24. They are designed to be used with handguns and barrels which require a Nielsen Piston spring.
| Additional Feature 1 | Piston Not Included |
|---|---|
| Additional Feature 2 | Fits 1-3/8"x24 Tubes |
| Additional Feature 3 | For Handgun Calibers Only |