Product Description The SilencerCo AC22 Osprey/Octane Fixed Barrel Spacer is designed to disable movement in the Nielsen device, allowing compatible Osprey suppressors to be used reliably on firearms with fixed barrels. Constructed from heat-treated 17-4 stainless steel, this spacer is built for long-term durability and consistent performance. Product Highlights Converts the Nielsen device operation for use on fixed-barrel firearms Compatible with SilencerCo Osprey/Octane configurations (model fit: Octane/Osprey) Made from durable 17-4 stainless steel for strength and wear resistance Heat treated for maximum durability in demanding shooting conditions Compact suppressor accessory to enhance suppressor versatility across platforms Specs Brand: SilencerCo Manufacturer Part Number: AC22 UPC: 817272010121 Product Type: Fixed barrel spacer Compatibility: Osprey/Octane (model fit: Octane/Osprey) Material: 17-4 stainless steel Finish: Stainless Heat Treated: Yes Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.