Product Description The CGS Suppressors Piston for the Kraken, MOD9, and Nautilus series silencers is a precision-machined suppressor mounting component engineered to provide a secure and reliable connection between your silencer and any firearm with a compatible threaded barrel. Machined from 17-4 Stainless Steel and finished with a tough Black Nitride coating, this piston delivers outstanding corrosion resistance and long-term durability under demanding conditions. The M13.5x1 LH thread pattern broadens compatibility across a wide range of threaded barrels, while the self-aligning piston design and highly positive spoke lock mechanism ensure that every installation is firm, consistent, and confident. Product Highlights Compatible with CGS Suppressors Kraken, MOD9, and Nautilus series silencers for versatile suppressor mounting options Precision-machined from 17-4 Stainless Steel with a Black Nitride finish for superior strength and corrosion resistance M13.5x1 LH thread pattern allows attachment to a broad range of compatible threaded firearm barrels Self-aligning piston system guarantees proper and consistent suppressor alignment on every installation Positive spoke lock design firmly secures the piston to the housing, providing a safe and reliable hold during use Specs Brand: CGS Suppressors Model: Kraken Material: 17-4 Stainless Steel Finish: Black Nitride Thread Pattern: M13.5x1 LH Length: 2" Weight: 1.30 oz MPN: CGSKRK135X1LHBK UPC: 850002123166 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. ]]>