Leapers, Inc. - UTG Armorer's Multi-Function Combo Wrench, Fits AR15/AR308, Black Finish TL-ARWR01 The UTG armorer's wrench provides the means to install and remove parts often replaced and or reinstalled on both the AR15 and AR308 platforms such as: standard A2 flash hider" delta ring assembly" rifle length buffer tube" carbine buffer tube castle nut" and more! It also features steel construction with wear resistant phosphate finish for long lasting durability!