Newseego Combo Wrench Tool for Electric Gas Blowback and Metal Barrel Nut Buffer Ring Great for Maintenance Black Guns, Rifles, M4, M16, AR15,

[Widest Compatibility] This unique tool combines all the tools you need, eliminating the need to carry multiple wrenches. [Compatible] M4/M16 series AEG/GBB Material: Steel Also, AR15 barrel nut wrench: Easily disassemble and install barrels and free float tubes/handguards. This unique tool combines all the tools you need to eliminate the need to own multiple wrench types Durable powder coated finish over steel [Quality Guarantee] We are committed to creating products that satisfy our customers. If you receive a product with any defects or issues, please contact us and we will provide a free replacement.