Silencer Co | Piston M16x1 LH | Osprey/Octane | .45 ACP

This piston is a replacement component for Silencer Co Osprey and Octane suppressors, featuring a female M16x1 LH thread pattern intended for .45 ACP host firearms. It is machined from 17-4 stainless steel and heat-treated for durability, and it forms part of the Nielsen device that allows semi-automatic cycling on compatible pistols. The piston is user-replaceable to support different host firearms or subcaliber setups; a Fixed Barrel Spacer is recommended for fixed-barrel applications.

Product Specifications

• The manufacturer is Silencer Co.
• The part is designed to fit Osprey/Octane suppressor models.
• The piston thread pattern is listed as M16x1 LH.
• The product is specified for the .45 ACP caliber/gauge.
• The piston is constructed from Stainless Steel (17-4 stainless, per source text).
• The finish is specified as Black.
• The product type is listed as a Silencer Piston.
• The series is identified as Piston 16M x 1LH.
• The NFA thread pattern is given as 16x1mm LH.
• Thread labeling in attributes also appears as 16Mx1LH.
• The piston contains the female threads that attach to the muzzle of the host pistol, as part of the Nielsen device.
• Additional features note compatibility, including a thread for HK USP-T / HK45T (per source attributes).
• Package dimensions are listed as 6.6 inches length, 4.6 inches width, and 1.0 inch height in the source attributes.
• Disassembly is indicated as False in the source attributes.
• The UPC is 817272010183.

This piston provides a serviceable, OEM-compatible replacement for shooters who want to maintain multi-host or multi-caliber capability with Osprey/Octane silencers. Its 17-4 stainless construction and heat treatment prioritize durability while the female-thread design simplifies host changes and subcaliber conversions for range work and competition use.