SilencerCo Piston | 1/2×36 Thread | Osprey/Octane

The SilencerCo Piston 1/2×36 provides the threaded interface and moving Nielsen component needed for semi-automatic cycling when using compatible SilencerCo suppressors. Built from 17-4 stainless steel and heat-treated, the piston is intended for easy field replacement so a single suppressor can be adapted to different host firearms or subcalibers. Typical applications include range training with semi-automatic pistols and competition shooting setups that require quick piston swaps for different calibers.

The piston features female muzzle threads that attach to compatible SilencerCo threaded barrels and is designed for interchangeable use with a variety of SilencerCo cans. For fixed-barrel platforms, consider pairing with the appropriate fixed barrel spacer as specified by SilencerCo.

Product Specifications

• The product type is a Piston designed for suppressor host interfaces.
• The piston is specified to fit Osprey and Octane series suppressors.
• The thread pattern is 1/2×36.
• The thread type is listed as .5×36.
• The listed caliber/gauge is 9mm.
• The piston is constructed from 17-4 stainless steel.
• The component is heat-treated for enhanced durability.
• The piston forms part of the Nielsen device, allowing semi-automatic cycling on compatible hosts.
• Compatible suppressors include Omega K Series; Hybrid 46; Hybrid 46M (with Charlie piston mount); Osprey Series; Octane Series; Omega 36M (with Charlie piston mount).
• The product lists a weight of 0.1.
• Additional features include thread compatibility for Colt, RRA, Bushmaster as noted in the product attributes.
• The UPC is 817272010220.

Durable construction and straightforward interchangeability make this piston a practical component for users who need to adapt a single suppressor to multiple hosts or subcalibers. Its stainless steel, heat-treated build and role in the Nielsen device emphasize longevity and reliable cycling in semi-automatic systems, making it a useful part for shooters focused on modularity and dependable function.