Magpul Armorers Wrench
The Magpul Armorer's Wrench – AR15/M4 (MAG535) is a single-piece, heat-treated steel multi-tool built for serious work on AR-platform rifles. It engages both stock and pin-style barrel nuts, installs castle nuts and receiver extensions with ASAP-plate clearance, fits standard flash hiders, and accepts a 1/2-inch torque wrench so you can hit spec every time. A manganese phosphate finish adds corrosion resistance and grip, while two hammer faces and an integrated bottle opener round out the feature set. Made in the USA, this is the wrench for builders, armorers, and AR owners who do their own work.
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- SKU
- MAG535
$78.56
Description
Features
- Heat-Treated Solid Steel Construction — Built from a single piece of heat-treated steel to deliver the leverage and durability required for serious armorer work.
- Manganese Phosphate Finish — Corrosion-resistant phosphate coating adds grip in the hand and protects the tool from shop chemicals and weather.
- Barrel Nut Compatibility — Engages both standard stock barrel nuts and pin-style free-float barrel nuts found on AR15/M4 platforms.
- Castle Nut and Receiver Extension Tool — Installs and removes carbine receiver extensions and castle nuts, with extended teeth that clear ASAP-style end plates.
- Flash Hider Wrench — Cutouts fit standard A2-sized flash hiders and muzzle devices for proper timing and torque.
- 1/2-Inch Torque Wrench Drive — Square drive accepts a 1/2" torque wrench so you can hit factory torque specs, which are referenced directly on the tool.
- Dual Hammer Faces — Two integrated hammer faces handle pin work and general assembly tasks without reaching for a second tool.
- 11.7-Inch Overall Length — Long handle delivers serious leverage on stubborn barrel nuts while staying manageable on the bench, weighing in at 1.1 lb.
- Integrated Bottle Opener — Because the work day eventually ends — a built-in bottle opener handles the after-hours job.
- Made in the USA — Engineered and manufactured in the United States by Magpul.
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Customer Reviews
4.9
100% of customers recommend this product
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Top customer reviews
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One tool to rule them all, literallyThis is the only armorer's wrench I've ever needed. The Magpul Armorer's Wrench does everything USGI barrel nut, free-float barrel nut, castle nut, receiver extension, flash hider, muzzle brake, and it even has two hammer faces for tapping pins and detents. All in one solid chunk of American steel. The phosphate finish gives you a grip that dosent slip even when your hands are sweaty or oily from working on guns. The 1/2 inch torque wrench interface means you can hook it up to a proper torque wrench and dial in the exact spec instead of guessing. The USGI torque specs are printed right on the wrench so you dont have to dig through a manual or scroll through a forum thread. Built in the USA which matters to me. The integrated bottle opener is a nice touch too finish your upper build, crack a cold one, celebrate. This wrench has paid for itself 10 times over.
One tool handles USGI barrels, free-float barrels, castle nuts, and receiver extensions
1/2" torque wrench interface allows precise spec torquing instead of guessing
Its heavier than some ultralight alternatives but the durability is worth it
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The Last AR Wrench You'll Ever Need to BuyIs this wrench expensive? Perhaps. However you can be assured you will never need to buy another wrench to work on your AR. This wrench is built tough. Overly engineered to ensure it will never fail.
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Good but priceyUseful tool! This tool is a bit pricey, but you do get what you pay for. It is heavy duty and well made. I think it will be around for a long while.
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