YHM Nielsen Piston | .578×28 | 206228

The YHM Nielsen piston is a replacement/service piston engineered for use with YHM’s booster housing (YHM-2055) and a range of popular pistol suppressors. It is constructed from heat-treated 17-4 stainless steel for corrosion resistance and durability. The piston includes 10 adjustment points to help eliminate impact shift during use, and is offered in common thread patterns for suppressor interfaces. It is not compatible with the original Sidewinder; see specifications for compatibility notes.

Product Specifications

• The UPC is 841812101635.
• The manufacturer is Yankee Hill Machine.
• The model is listed as the Nielsen piston.
• The thread pattern is .578×28.
• The material is specified as heat-treated 17-4 stainless steel.
• The finish is listed as Stainless Steel.
• The product type is Piston for pistol suppressor applications.
• The fit is listed as .578×28.
• The unit features 10 adjustment points to help zero impact shift.
• Compatible boost housing is YHM-2055.
• It is not compatible with the original Sidewinder and will work with Sidewinder M2 suppressors where applicable.
• The listed dimensions are 1.35 x 3.20 x 5.55.
• The finish/color is described as Silver.

This Nielsen piston is a practical choice for maintaining or repairing pistol suppressor assemblies and for applications where repeatable timing and muzzle-device alignment matter, such as suppressor service work or precision-controlled range use. Its corrosion-resistant 17-4 stainless construction and multiple adjustment points provide a durable, tunable interface for compatible suppressors.