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Armorer's AR-15 Wrench

Usually ships the same day or the next business day!

Look. If you're gonna build AR platformed rifles, you just need an armorer's wrench. That's just all there is to it. It just does things to help you assemble your upper and lower receivers that no other tool is capable of. Period. The armorer's wrench is a multi-use wrench that offers builders several practical uses for tightening various parts on your AR-15. It can be used to install and remove barrel nuts, castle nuts, flash hiders, and muzzle brakes. An armorers wrench can also be used to install and remove free float quad rails. Hell, you can probably find other uses for it too. This one is crafted from heavy-duty heat-treated steel, the wrench is powder coated black and weighs 18 ounces. See below for more info.


  • Heavy duty steel
  • Barrel nut wrench
  • Muzzle break wrench
  • Install or disassemble nuts, compensators and buffer tubes
  • 3 point castle nut wrench
  • Heavy duty Ergonomic handle
  • 1/2” drive
  • 1/4” drive
  • 7/16" hex
  • 1/4" hex

WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to:

Shipping Restrictions

Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily. only ships within the United States. Federal legislation dictates we cannot ship our products internationally.

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.