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Cross Armory Castle Nut Wrenches
$16.99 $15.49 Save $1.50
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Most Helpful Positive Review More than i expected !!
This is a solid tool for castle nut removal, mates perfectly with the C nut, good solid and thick steel wrench, comfortable grip, Glad i made the right choice with this wrench. The price is right for a quality tool of this sort to be used for the exact purpose it was made. Very little effort needed to loosen the nut from its locked down position...Great Tool..
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SOLID - SIMPLE

by PJW, from MT, United States Written on April 30, 2026
Well built, cut correctly. Works well and inexpensive.

I bought this to put in my rifle assembly tool kit.
Very happy with this purchase.
Pros:
  • Inexpensive
  • Sturdy
  • Simple
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Excellent Product!

by ChileRelleno, Verified Owner from AL, United States Written on April 4, 2026
Excellent product, a very serviceable tool!
It's teeth closely fit the castle nut indentations which means less chance of slippage, and the rubber grip offers good tactile feel.

Highly recommend.
Pros:
  • Fit, function and feel
Cons:
  • na
Best Used for:
  • Install/uninstall AR 15/10 castle nuts
Would recommend: No
Was it helpful to you? Yes | No

non-marring

by Sam, Verified Owner from MI, United States Written on March 22, 2026
Perfect fit on the castle nut - did not round over, or gall the threads on the buffer tube or the castle nut. In short, well made tool that fits very well and doesn't scratch or mar. For the price, it's an easy recommendation.
Would recommend: Yes
Was it helpful to you? Yes | No

super awesome tool

by milehigh-AR-dude, Verified Owner from CO, United States Written on January 26, 2026
Perfectly and precisely cut hard metal makes working a lot easier on the castle nuts without scratching it. comfy handle.
Would recommend: Yes
Was it helpful to you? Yes | No

You found it!

by Glade Stroh, Verified Owner from NM, United States Written on September 20, 2025
If you have gone through other castle nut wrenches, looking for a real heavy duty quality tool, you have found the holy grail. This thing is slim but beefy and is hands down the best one I have used. I have no doubt it will be passed down for generations with how solid it is. Must have tool.
Would recommend: Yes
Was it helpful to you? Yes | No

good wrench

by Steven Lange, Verified Owner from TX, United States Written on August 6, 2025
This is a great tool loght weight so able to throw in with my field pack for quik barrel changes.
Would recommend: Yes
Was it helpful to you? Yes | No

Solid castle nut wrench

by ITBURNS, Verified Owner from GA, United States Written on July 25, 2025
First time replacing a buffer tube and the job couldn’t have been any easier using this tool. Bought a more expensive combo wrench just in case this didn’t work out, but it was honestly all I needed.
Best Used for:
  • Castle nut install & removal AR15
  • Castle nut removal/assembly
Would recommend: Yes
Was it helpful to you? Yes | No

Durable and well made Castle Nut Wrench

by Dave, Verified Owner from MA, United States Written on April 2, 2025
Worked perfectly first time using it. Nice finish, well constructed and easy to use.
Pros:
  • cost
  • Heavy Duty
  • Design
Cons:
  • None
Best Used for:
  • AR platform rifle
Would recommend: Yes
Was it helpful to you? Yes | No

Durable and well made Castle Nut Wrench

by Dave, Verified Owner from MA, United States Written on April 2, 2025
Worked perfectly first time using it. Nice finish, well constructed and easy to use.
Pros:
  • cost
  • Heavy Duty
  • Design
Cons:
  • None
Best Used for:
  • AR platform rifle
Would recommend: Yes
Was it helpful to you? Yes | No

Castle nut wrench

by Wfranklin, Verified Owner from MI, United States Written on March 11, 2025
Great product and quality made. Tool was as expected and easily stored in my case.
Would recommend: Yes
Was it helpful to you? Yes | No
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