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Questions & Answers
What is the actual span of this wrench? Expert Answer

The manufacturer does not specify. It's designed for the proprietary Barrel Nut that their Ultralight JK series utilizes.

by Carly R., Gear Expert, November 1, 2017
Can anyone just measure the wrench span and thickness? Thanks Expert Answer

It has approximately a 1.25" span.

by Jonathan D., Gear Expert, November 15, 2019
Customer Reviews
Helpful Positive Review
Really the best tool for the job by Expendablered, Verified Owner, May 2, 2018
I'll put it very simply: if you're getting a Guntec ultralight handguard, get this tool for your torque wrench. That's it. Period. Seriously, you need it. My reason for knocking off a star, and this is actually a big complaint for me, is that these s...
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3/3 found this helpful
Helpful Positive Review
This is for the AR 15. Guntec makes one specially for the .308 nut at a similar price. They do not specify on the Item which caliber barrel nut this fits. Be careful when ordering ......................
6/6 found this helpful
Helpful Positive Review
Needed a Wrench by BAXTERCHRIS, March 19, 2018
after multiple assemblies it was time for new wrench since some of the jobs did not include the barrel nut wrench. have used this a few times with no issues, works as it should on most nuts. it is thin enough to fit some of the barrel nuts that have ...
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1/1 found this helpful
Helpful Negative Review
Ill-fitting junk by Mark, Verified Owner, January 27, 2019
This steel wrench is 0.8mm bigger than the aluminum barrel nut it is intended to tighten to 30+ ftlb. It'll tighten it, but it'll scar it too. They could have done much better by making the tolerances a little bit tighter.
2/2 found this helpful
Most Recent Reviews
Wrench that does fit anything by T Fair, Verified Owner, December 28, 2024
The size of the wrench is not listed. The expection is it will fit the barrel Nut that is presented with. The wrench is nearly 1/8" larger than nut is. It is a waste of time.
Most Recent Reviews
Works Perfectly by Randy99, Verified Owner, October 8, 2024
This wrench was a little larger than I needed but that worked perfectly. Better too big than too small to fit and I don't want to buy a whole set. I just shoved a popsicle stick in the gap and it was just right. Since these are rarely used I will ...
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Read All 10 Reviews

Code: 2AH-GAW-WRENCH-JK

MPN: WRENCH-JK

UPC: 714569648466

Product No Longer Available

Product Info for Guntec USA Breaker Bar/Socket Wrench Adapter

Works with the aluminum or steel barrel nut that is included with the JK Series ultralight keymod handguard, and MLOK handguardsimage

Cutout to accept torque wrenches (1/2")

Package Contents:

  • Guntec USA Breaker Bar/Socket Wrench Adapter

Related Products to Guntec USA Breaker Bar/Socket Wrench Adapter

Guntec USA Breaker Bar/Socket Wrench Adapter Unavailable & Discontinued Models

List of Unorderable Models

  • Guntec USA Breaker Bar/Socket Wrench Adapter For Ultralight JK/M-Lok Series Barrel Nut, WRENCH-JK , MPN: WRENCH-JK , UPC: 714569648466 , Code: 2AH-GAW-WRENCH-JK
  • USED Guntec USA Breaker Bar/Socket Wrench Adapter For Ultralight JK/M-Lok Series Barrel Nut, WRENCH-JK, EDEMO4, Condition Fair, Other , MPN: WRENCH-JK-EDEMO4 , Code: 2AH-GAW-WRENCH-JK-EDEMO-OT-D
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