The Leapers TL-ARWR01 UTG AR-15 AR308 armorer's multi-function combo wrench for the AR-15 armorer allows you to install and remove parts on both the AR-15 and LR-308 rifle platforms. This is one of the best AR15, lr-308 armorers wrench made from solid steel and removes standard A2 flash hider, delta ring assembly, rifle length buffer tube, carbine buffer tube castle nut, YMY jam nut and more. Equipped with UTG PRO Super Slim Free Float Barrel Nut Wrench and Compatible with 1/2" Torque Wrenches. Includes a 3/4", 7/8", and 3-Prong Wrench Slot for Installation and Removal of Most Muzzle Devices and 3 Prong Flash Hiders. Includes a 5/8" Wrench Slot and Flathead Screw Driver for Installation and Removal of Rifle Length Buffer Tubes and Fixed A2 Stocks, as well as, a castle and jam nut wrench. Solid Steel Construction with Wear Resistant Phosphate Finish for Long Lasting Durability. Leapers UTG One year limited warranty.