Forward Controls Design Joint Muzzle Device Wrench

$33.25

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Forward Controls Design Joint Muzzle Device Wrench

JMW is the newest addition to our line of dedicated, high quality AR15/M16 tools. It is a combination wrench with a 3/4 wrench with a 0.23 thickness for the A2 compensator, and another 3/4 wrench  with a 0.20 thickness for the Keymo, Key Micro mounts, such as our 6315KM, 6310KM, SOLGW’s NOX, and Dead Air’s flash suppressors, compensators and brakes. The 0.20 side is also suitable for use with other suppressor mounts that have thinner than A2 spec (0.23) flats.

JMW follows the well developed JCW (Joint Castle nut Wrench) form factor, it is a compact wrench designed to be used with a torque wrench (1/2 drive).

Most armorer’s wrenches have a rather thick 3/4 wrench for torquing the A2 compensator. While adequate for the A2 compensator, this presents an issue with muzzle devices with thinner than A2 spec flats, an armorer wrench’s 3/4 wrench often can’t find enough clearance, and  is too thick for the flats which are sandwiched between the barrel and the muzzle device’s sound suppressor mounting interface. To make things more complicated, some muzzle alignment shims can be of slightly larger outer diameter than the barrel. A typical 3/4″ wrench often can’t be used to torque these muzzle devices.

JMW’s thinner side of the 3/4″ wrench has a thickness (0.20) designed for muzzle devices with thinner than A2 compensator spec flats, such as Dead Air’s Keymo, Key Micro suppressor mounts, and Surefire suppressor mounts. Billet machined in 4140, heat treated and black oxided, it has the recommended torque value (20 to 30 ft/lb) laser engraved.

JMW is another joint project between Arson Machines and Forward Controls Design. Proudly designed and made in the USA.

5 reviews for Forward Controls Design Joint Muzzle Device Wrench

  1. Khan (verified owner)

    Works better with torque wrench than trying to use an armorer wrench.

  2. bennettbrendon303 (verified owner)

    Great product! FCD is an awesome brand!

  3. coryt0821 (verified owner)

    Work smart, not hard. Nifty tool for locking down those keymo muzzle devices.

  4. Richard C Lewis (verified owner)

    Great tool to add to the toolbox. Works great, packs easy. Rooftop always with the fast shipping.

  5. Adam (verified owner)

    Great little tool for muzzle devices. It was a little too thick to use on my 11.5 barrel with a triarc 10.75 rail without removing the rail but worked fine for everything else. Shipped fast and will definitely order from these guys again

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