Yankee Hill Machine Nielsen Piston | .45 Cal M16x1 LH

The Yankee Hill Machine (YHM) Nielsen Piston is a piston-style booster component intended for use with compatible pistol suppressor systems. It is constructed from heat-treated 17-4 stainless steel to provide corrosion resistance and durability under repeated cycling. The piston features 10 adjustment points to help mitigate impact shift and is offered in multiple thread patterns to suit a range of host barrels.

Common applications include use in suppressed pistol builds that employ a booster/arm interface and installation for range or competition use where repeatable function and adjustment are required.

Product Specifications

• The manufacturer is Yankee Hill Machine.
• The model family is listed as Nielsen Pistons.
• The fit/thread is M16x1 LH.
• The product is specified for .45 caliber applications as listed in the supplied product name.
• The construction material is specified as heat-treated 17-4 stainless steel.
• The finish is described as Stainless Steel.
• The color is listed as Silver.
• The piston includes 10 adjustment points to address impact shift.
• Compatibility notes include use with the YHM booster housing YHM-2055 and many popular pistol suppressors.
• Compatibility exclusions: it is noted as not compatible with the original Sidewinder but will work with the Sidewinder M2.
• The product type is Piston and the subcategory is Suppressor Accessories.
• Packaging or item dimensions are given as 1.40 x 3.20 x 5.55 (units as supplied).
• Item height is listed as 1.4000 (units as supplied).
• Item width is listed as 3.2000 (units as supplied).
• Item length is listed as 5.5500 (units as supplied).
• The UPC for this item is 841812101604.

This Nielsen piston is built to provide consistent booster function in compatible suppressed pistol systems. The 17-4 stainless construction and multiple adjustment settings make it appropriate for users who need a durable, serviceable component that can be tuned to reduce impact shift over time. Its thread pattern and compatibility notes make it suitable for gunsmithing installations and advanced suppressor setups.