Silencer Co AC31 Osprey/Octane Piston 9/16×24 .40 S&W

Description

Replacement piston for Silencer Co Osprey and Octane suppressor families, sized for .40 S&W hosts. It is manufactured from 17-4 stainless steel and heat-treated for durability and wear resistance. The piston provides the female-threaded interface that connects a suppressor to a threaded host barrel and is designed for straightforward interchange to accommodate different host firearms or subcaliber adapters. The unit uses a 9/16×24 thread pattern for compatible barrels.

Key Specifications

• Made from 17-4 stainless steel and heat-treated for durability.
• Finished in Stainless for corrosion resistance and consistent appearance.
• Thread pattern of 9/16×24 to match compatible threaded barrels.
• Caliber fit specified as .40 S&W.
• Designed to fit Osprey/Octane suppressor models.
• Classified as a Silencer piston replacement part.
• Provides a female-threaded interface to Silencer Co threaded barrels.
• Listed weight is 0.25.
• Can be changed for different hosts or subcaliber setups: Piston 9/16×24.
• Disassembly capability indicated as False per manufacturer attributes.

Durable, serviceable, and purpose-built, this piston lets you configure Osprey and Octane suppressors for the specific host and caliber you run. Its heat-treated 17-4 stainless construction and standard 9/16×24 threading make it a straightforward replacement or conversion component for shooters who require reliable mechanical interface and multi-host compatibility.