YHM Nielsen Piston 9mm 1/2×36 Stainless

The Yankee Hill Machine (YHM) Nielsen Piston is a replaceable suppressor piston engineered for use with compatible pistol suppressors and booster housings. Constructed from heat-treated 17-4 stainless steel, it is built to resist corrosion and maintain alignment under repeated cycles. The piston offers 10 adjustment positions to correct impact shift and is listed to fit 1/2×36 threads for 9mm applications. It is compatible with YHM’s booster housing YHM-2055 and many common pistol suppressors.

Key Specifications

• This component functions as a Piston for compatible suppressor booster housings.
• Model is listed as Nielsen Pistons.
• Designed for 9mm use according to product attributes.
• Thread pattern is 1/2×36.
• Constructed from heat-treated 17-4 stainless steel for durability and corrosion resistance.
• Finish is specified as Stainless Steel.
• Features 10 adjustment points to correct impact shift.
• Intended compatibility includes YHM-2055 booster housing and many popular pistol suppressors.
• Package dimensions are listed as 1.40 x 3.25 x 5.55.
• Color is specified as Silver.

Purpose-built for suppressor owners who prioritize reliable alignment and corrosion-resistant construction, the YHM Nielsen Piston provides a practical, adjustable solution for compatible 9mm setups. Its heat-treated 17-4 stainless construction and ten-point adjustment system support consistent performance in service applications where repeatable impact mitigation and durable materials matter.