E P ARMORY Official Multi-Caliber Magic Armorer wrench tool is made of
Hardened Steel with 4140 Powder coated Finish. This combo wrench will
take care of your .223 and .308 Free Float barrel nuts, Jam nuts, Flash
hiders, and the slot feature is used as a torque wrench. Note: It will
not work for LR308DPMS. This is not compatible with your standard barrel
nut, this is for the installation of Free Floating Hand Guards Only.