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Magpul Industries AR-15 Armorer's Wrench Accessory with Bottle Opener
$79.95 $74.95 Save $5.00
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Most Helpful Positive Review Beware if You Have a Pinned Stock
I ordered this to help me change my buffer tube and stock on a “compliant” rifle. I wanted to replace the factory pinned stock on my rifle with a MFT Minimalist stock. So I ordered this wrench (“buy once, cry once” as some other reviews stated). It’s my own fault for not realizing this earlier but u...
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Most Helpful Negative Review Just be aware!
This wrench is very well made but it gets one star because if you want to use it on the KAK Shockwave buffer tube IT WILL NOT FIT! This wrench has a closed end for he castle nut side of the tool and will not fit over the buffer tube to allow you to tighten the castle nut. Maybe the folks at Magpul o...
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Built like a tank, does the job

by Dshep, Verified Owner from MA, United States Written on December 16, 2025
This is one solid wrench, you could probably run it over with your truck and it’d be fine (I haven’t done this, I’m just betting based on the feel). The durability really came in handy when I had to remove my castle nut from my MR556. That thing must have been tightened by Thor because it was an epic struggle to get it off. The great thing about this wrench was that it slid onto the buffer tube, locked into the nut, and held firm. After basically having to jump up and down on it to get the nut to release, it finally came free. A lesser wrench would not have survived. I haven’t used it to replace any muzzle devices, but I’m betting it works just as well. Magpul reliability and quality. Not much more you could ask for.
Would recommend: Yes
Was it helpful to you? Yes | No

Magpul Armorers wrench

by Sal, Verified Owner from NJ, United States Written on December 12, 2025
Great product from a reputable company.very durable wrench with weighted strength
Would recommend: Yes
Was it helpful to you? Yes | No

Useful if using all standard parts on AR-15

by scrlck, Verified Owner from VA, United States Written on September 9, 2025
Pretty straight forward really.
Castle nut wrench. Must slide it over the buffer tube, so obviously you will need to remove the stock. If you can't remove your stock, this tool will not work.
Barrel nut wrench. Many handguards now come with their own unique barrel nuts, so again this tool may not apply in your particular situation.
Crows foot slot for torque wrench on both ends.
Works fine for a standard, no-frills AR-15 build like from Ruger.
Made in USA

I prefer the Real Avid Master Wrench because it has an open Castle nut wrench, can be used as a hammer (with brass, rubber, plastic removable heads) and still has a crows foot slot for a torque wrench. Unfortunately, the Real Avid wrench is made in China, but sold at a Made in USA price. :(
Best Used for:
  • AR-15
Would recommend: Yes
Was it helpful to you? Yes | No

magpul wrench

by CW, Verified Owner from TX, United States Written on February 16, 2025
2nd one i own. Misplaced the first one so bought a 2nd. Then found the 1st one the day the 2nd one showed up
Would recommend: Yes
Was it helpful to you? Yes | No

Magpul Wrench

by Tons, Verified Owner from FL, United States Written on January 18, 2025
This wrench is awesome. There are many things that you can do with it!
Would recommend: Yes
Was it helpful to you? Yes | No

The gold standard

by BigEz, Verified Owner from AL, United States Written on January 11, 2025
The magpul ar15 armorer's wrench is pretty much everything you need and nothing that you don't. I find this will cover doing nearly everything you need for an ar15 other than some punches and a torque ratchet/wrench, which is used with this wrench. This is the gold standard ar15 wrench.
Would recommend: Yes
Was it helpful to you? Yes | No

Well built

by TF, Verified Owner from SC, United States Written on December 17, 2024
The shape and ability to get leverage on this wrench was well thought out. it is very comfortable and seems to be a precise fit any time I need it.
Would recommend: Yes
Was it helpful to you? Yes | No

Better than Amazon

by Tracey, Verified Owner from PA, United States Written on December 3, 2024
This tool is better than the Chinese stuff you get off of Amazon. Very easily removed barrel nut and castle nut.
Would recommend: Yes
Was it helpful to you? Yes | No

Magpul does not disappoint

by Dennis, Verified Owner from IN, United States Written on August 18, 2024
This is a well made tool that does it job better than most others. It will even open your bottles.
Would recommend: Yes
Was it helpful to you? Yes | No

Ergonomic Armorer's Wrench

by J.D., Verified Owner from OH, United States Written on May 5, 2024
Intuitive design and a non-slip coating combined with superior ergonomics and torque values embossed on the wrench itself make this a great choice for anyone looking to build or upgrade any AR platform firearm. Also doubles as a stylish bottle opener for any social occasion featuring freedom loving individuals!
Would recommend: Yes
Was it helpful to you? Yes | No
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