Silencer Co Piston .578 x 28 XL

Description

The Silencer Co Piston .578 x 28 XL is a serviceable replacement piston engineered for durability and interchangeability across compatible hosts. Constructed from 17-4 stainless steel and heat-treated, the piston is built to withstand repeated use while preserving the function of the Nielson-style unlocking device. It uses female .578 x 28 XL threading to attach to SilencerCo threaded barrels and can be swapped to suit different host firearms or calibers where applicable. This piston is intended as a direct component for suppressor systems and related assemblies.

Key Specifications

• Constructed from 17-4 stainless steel (heat-treated) for durability and service life.
• The piston model is listed as Piston.
• The thread pattern is .578 x 28 XL female for attachment to SilencerCo threaded barrels.
• Size designation is XL.
• NFA thread pattern reported as .578×28.
• Compatible with Omega K Series; Hybrid 46; Hybrid 46M (with Charlie Piston Mount); Osprey Series; Octane Series; Omega 36M (with Charlie Piston Mount).
• Functions as part of the Nielson device enabling semi-automatic cycling to unlock pistol barrels.
• Product type categorized as Accessory – Silencer Accessories.

Robust and serviceable, this piston is a practical choice for maintaining Silencer Co suppressor assemblies where a replaceable piston is required. Its heat-treated 17-4 stainless construction and standard .578 x 28 XL threading make it a straightforward fit for compatible Silencer Co systems, providing dependable operation for users who prioritize durable, easily swapped components.