The Thompson Center Arms Pro Hunter Pistol Frame is compatible with both Thompson Center Arms Pro Hunter and Encore pistol and rifle barrels. This Thompson Center Arms Pro Hunter Pistol frame has an adjustable trigger too. The Thompson Center Arms Pro Hunter Pistol Frame is a great companion to have if you are small game hunting and decide you need to increase your barrel for larger game. This Thompson Center Arms Pro Hunter Pistol frame gives you so many possibilities. - This frame will accept all Encore and Pro Hunter pistol barrels - Stainless finish - Black rubber grips - Weighs 26 oz