SSK Firearms Trigger Contender. Please contact Smith & Wesson for verification. Specifications for SSK Firearms Contender Trigger: Manufacturer: SSK Firearms Color: Black Finish: Nitride Fabric/Material: Stainless Steel Gun Make: Thompson/Center Arms Gun Model: Thompson/Center Contender Package Contents: SSK Firearms Contender Trigger What firearm models does the manufacturer say SSK Firearms Contender Trigger is compatible with? The manufacturer says that SSK Firearms Contender Trigger is compatible with Thompson/Center ContenderSSK Firearms CRC120-5: Trigger Contender 120-5