Real Avid AVAR15AMW Armorer's Master Wrench Stainless Steel AR-PlatformWhen it comes to using the Armorers Master Wrench, think precision. The ergonomic handle gives you the ability to apply serious torque needed to remove stubborn, crusted on barrel or castle nuts without marring your firearm or stripping the nuts. The tool holds shape under pressure and has deep set sockets to grip your nuts and keep them gripped. The torque wrench attachment point allows you to apply accurate and critical torque adjustments to the