JMac - MDi-co

360 M24-1.5 Face Keymount (KeyMicro)

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6.30 Ounces

Finally, the first and only solution to attach your KeyMount/KeyMicro compatible device to your 24-1.5RH threads!

The RRD-360-24F-KM allows you to attach KeyMount/KeyMicro compatible devices to your 24-1.5RH threaded firearm. Previously, this could only be accomplished by having your firearm re-threaded to accept a standard KeyMo device. In addition to the ability to attach a KeyMo device, the RRD-360-24F-KM has external 1.375-24 threads located at the base which will allow you to attach an extended blast shield in the future. 

What makes the 360 unique?

  • 3 baffles to protect your suppressor
  • No timing / shims not required
  • Lightweight
  • Minimal added length
  • Compatible with dozens of suppressors
  • Reduced Recoil


  • 24-1.5RH Threads
  • Overall Length: 2.91"
  • Lenght Added: 2.08"
  • 10mm Bore
  • KeyMount and KeyMicro Compatible
  • Compatible with the Extended Blast Shield (Coming Soon!)
  • 17-4ph Stainless
  • Black Nitride

For a full list of compatible devices, see HERE.

In order to use this device with a suppressor, it must be installed by a professional - to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with bore rods. JMac Customs is not responsible for any damage to the suppressor, or any injury or death resulting from improper installation. Some firearms are NOT suitable suppressor hosts, just because you can thread this muzzle device on, does NOT mean it is safe to use.  

Not rated for use on <10" barrels with suppressors during rapid fire or "mag dumps" using supersonic ammunition. Excess heat and pressure on shorter barrels can cause damage to the device/suppressor and potential injury to the shooter. 

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