The AIM Sports Inc AR15/M4 Combo Wrench Tool is an incredible heavy duty multi tool, extremely handy for installing and removing. This wrench by AIM Sports Inc is used to install/disassemble nuts, compensators & tubes, and removal/installation of AR-15 barrels. The AIM Sports Inc AR15/M4 Armorer Wrench is made of 4140 powder coated steel and includes a receiver tube stock nut wrench with A1/A2 flash hider slot/receiver extensions. Whether you need to assemble or disassemble, the AIM Sports AR15/M4 Armorer Multi-tool means business!Specifications for AIM Sports Inc AR15/M4 Combo Wrench Tool:Manufacturer:AIM Sports IncFabric/Material:4140 SteelColor:BlackFinish:Powder CoatedGun Model:M4, AR-15Length:12.5 inAdditional Features:ComboCondition:NewFeatures of AIM Sports AR15/M4 Armorer Wrench:Heavy duty multi toolCAR stock w/ 3 point castle nut / locking ringInstall / disassemble nuts, compensators & tubesRemoval / installation of AR-15 barrelsReceiver tube stock nut wrenchA1 / A2 flash hider slot/receiver extensionsMade of 4140 powder coated steelPackage Contents:AIM Sports AR15/M4 Armorer Multi-toolAIM Sports Inc PJTW3: AR15/M4 Combo Wrench Tool