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JE Machine Tech AR-10/AR-15/M4 Enhanced Spanner Wrench Tool
$13.49 $11.99 Save 11%
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Most Helpful Positive Review Spanner Wrench
This Wrench works great on removing the castle nut on my M4. Before I bought the wrench I used a pipe wrench and it scared up my castle nut. I recommend that if you do upgrades on your M4 that you buy this piece of equipment.
Most Helpful Negative Review Poor fit, soft metal
Wouldn't fit on receiver extension nut. I tested on multiple rifles. Had to file to get it to fit. Soft steel. The muzzle device wrench spread while tightening. Can't think of anything to say that's positive. Useless.
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just what I needed

by Brian Tudor, Verified Owner from NC, United States Written on October 3, 2024
This wrench was just what I needed for my new build . Installed my new muzzle brake with no issues . Would definitely recommend .
Would recommend: Yes
Was it helpful to you? Yes | No

Garbage fit on castle nut

by Leifer, Verified Owner from WA, United States Written on February 11, 2021
I should've listened to the other reviewers but I was hoping for the best. This thing doesn't fit at all. Just spare yourself the trouble and buy a decent armorers wrench which I had to do. Absolute trash, can't even fit on the castle nut properly.
Pros:
  • None
Cons:
  • Bad Fit
Would recommend: No
Was it helpful to you? Yes | No
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