SilencerCo Fixed Barrel Spacer — Osprey/Octane, 17-4 SS

This SilencerCo fixed barrel spacer is designed for use with piston systems on firearms that have fixed barrels. It installs in place of the piston booster spring to disable Nielsen-device movement and permit piston-style interface on Osprey/Octane platforms, including Osprey 2.0. The spacer is identified in source data as being made from 17-4 stainless steel and is intended for suppressor accessory use with fixed-barrel firearms. Use only with compatible pistons and follow manufacturer instructions for safe installation and operation.

Key Specifications

• The product type is listed as a Barrel Spacer for suppressor piston systems.
• The spacer fits Osprey/Octane models for piston use on fixed-barrel firearms.
• The material is identified as 17-4 stainless steel in the provided product name and descriptions.
• The spacer is intended to replace the piston booster spring to disable Nielsen-device movement.
• Compatibility notes include use with the Osprey 2.0 when used with appropriate pistons.
• The product description designates the application as for fixed barrel firearms.
• The listed finish in source attributes is Stainless.
• Package dimensions are listed as 6.5 x 4.6 x 1.2 (units not provided in source data).
• Package weight is listed as 0.1 (units not provided in source data).

This fixed barrel spacer provides a straightforward mechanical solution for adapting piston-equipped suppressor components to fixed-barrel platforms. It’s a purpose-built part for users who need to convert a piston interface for safe, reliable operation with Osprey and Octane systems, where disabling Nielsen-device movement is required.