The Wilson Combat Beavertail Fitting Jig is a precision gunsmithing tool designed to enhance the comfort and controllability of your 1911 Auto pistol through professional frame modification.Wilson Combat Beavertail Fitting Jig for 1911 pistolsPosi-Release tab ensures positive grip safety disengagement and provides grip memory pointHammer pocket design accommodates commander or bobbed spur hammers for snag-free operationPositions shooting hand closer to bore plane while spreading recoil over rounded surfaceRequires frame modification with complete instructions includedImproves overall comfort and shooting controlEssential for gunsmiths and serious 1911 enthusiasts looking to upgrade their pistol's ergonomics and functionality with Wilson Combat's renowned quality and precision engineering.