YHM Nielsen Pistons


Attaches your YHM Nielson Device Booster Assembly to your pistol muzzle.  Select the MUZZLE THREAD SIZE that matches your semi-auto pistol.

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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. They feature 10 adjustment points to zero for any impact shift. Available in a variety of thread patterns to fit most firearms.

  • Weight: 1.40 oz.
  • Not compatible with Sidewinder suppressors
Muzzle Thread Size

9mm 1/2"-28, 9mm 1/2"-36, 9mm M13.5X1LH, .45 Cal .578"-28, .45 Cal M16X1LH, .45 Cal M16X1RH


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