YHM’s Nielsen Pistons are compatible with YHM’s booster housing YHM-2055 as well as many popular pistol suppressors. They are constructed from heat treated 17-4 stainless steel for maximum durability and corrosion resistance. These pistons feature 10 adjustment points to zero any impact shift and are available in a variety of thread patterns to fit most firearms.
| Manufacturer | Yankee Hill Machine |
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