The Thompson Center Encore Pro Hunter System can quickly be configured as a muzzleloader, centerfire or a shotgun. You're only two minutes and two screws from adapting to nature's challenges and opportunities. Thompson/Center's Encore Pro Hunter interchangeable platform represents the most complete shooting system available. With a multitude of stock options, frames and barrel configurations available, the Encore Pro Hunter consistently delivers unmatched versatility in both the field and out at the range. Just pick the barrel that suits your needs, and you're ready to shoot! FeaturesSwing HammerFlex Tech StockNitride Coated Trigger and SearNitride Coated Firing Pin and BushingBarrel Hinge Pin