Designed with Armorers and End Users in mind, this AR Armorer's Tool is THE ultimate tool to build, customize or maintain your AR. This all-in-one tool has a number of essential features, including a hammer, barrel nut, muzzle device, spanner wrench, forearm wrench, and flat tip screwdriver, just to name a few. Manufactured from heat treated alloy steel and powder coated with a matte Olive Drab finish, it has the strength and durability to perform any AR building need. And don't forget the handy beverage opener, so you can crack a cold one when you're admiring the product of your hard work. Made in the USA, the AR Armorer's Tool comes with a lifetime warranty.