Product Description The SilencerCo AC5 Rimfire Adapter is a precision-engineered steel thread adapter designed to convert your Walther P-22&';s manufacturer thread pitch to a standard 1/2"x28 TPI configuration. Featuring O-ring engagement technology, this adapter keeps muzzle threads clean and ensures your suppressor stays securely locked in place during firing. Compatible with any rimfire suppressor threaded in 1/2x28 - including SilencerCo&';s Switchback 22, Sparrow 22, Spectre 22, Warlock 22, and Osprey Micro 22 - the AC5 is a fast and reliable solution for getting your rimfire platform suppressor-ready. A thread protector is included to safeguard the muzzle threads when no suppressor is attached. Product Highlights Converts manufacturer thread pitch to industry-standard 1/2"x28 TPI for broad suppressor compatibility O-ring engagement keeps muzzle threads clean and prevents suppressor from loosening under firing Durable steel construction with a black finish for long-lasting performance Compatible with SilencerCo Switchback 22, Sparrow 22, Spectre 22, Warlock 22, Osprey Micro 22, and any 1/2x28 rimfire suppressor Includes a thread protector to safeguard muzzle threads when suppressor is not in use Specs Brand: SilencerCo Model: AC5 Rimfire Adapter Manufacturer Part Number (MPN): AC5 UPC: 817272010107 Material: Steel Color/Finish: Black Thread Pitch: 1/2"x28 TPI Compatible Firearm: Walther P-22 Product Type: Silencer / Suppressor Adapter Weight: 0.08 lbs Length: 2.60" Width: 1.40" Height: 0.40" What&';s in the Box: AC5 Rimfire Adapter, Thread Protector 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. ]]>