SSK Firearms Left Hand Bolt Contender 23L. Please contact Smith & Wesson for verification. Specifications for SSK Firearms Contender Hand Bolt: Manufacturer: SSK Firearms Color: Stainless Fabric/Material: Stainless Steel Finish: Stainless Steel Last Chance: Yes Gun Model: Thompson/Center Contender Gun Make: Thompson/Center Arms Package Contents: SSK Firearms Contender Hand Bolt What firearm models does the manufacturer say SSK Firearms Contender Hand Bolt is compatible with? The manufacturer says that SSK Firearms Contender Hand Bolt is compatible with Thompson/Center ContenderSSK Firearms CBC23L: Left Hand Bolt Contender 23L