Trigger Trainer Accessory PackageThe Trigger Trainer is designed to allow the user to adjust the weight of the trigger pull by simply changing the Spring-Cap Assembly.The Trigger Trainer comes preloaded with a medium pressure Spring-Cap Assembly representing a 6lb Trigger pull. For those shooters who prefer to practice with a lighter or heavier trigger pull, we suggest you purchase our Spring-Cap Assembly Accessory package that includes:1. Light Trigger Pull (TAN CAP) - 3lb Trigger Pull 2. Medium Trigger Pull (GREEN CAP) - 6lb Trigger Pull 3. Heavy Trigger Pull (RED CAP) - 9lb Trigger Pull