JMac Customs 360 Face KeyMount & KeyMicro Muzzle Brake - M24-1.5

Manufactured by JMac Customs
SKU: RRD-360-24F-X37-KM
MPN: RRD-360-24F-X37-KM
Manufactured by JMac Customs
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The RRD-360-24F-KM from JMac Customs is a revolutionary muzzle device that changes the game. Designed to fit 24-1.5RH threaded firearms, this device allows users to attach KeyMount/KeyMicro compatible devices without any need for a re-thread. With external 1.375-24 threads at the base, it also enables you to attach an extended blast shield in the future.

The RRD-360 Muzzle Device is different from other devices on the market with its ability to vent gases 360 degrees away from your muzzle, requiring less effort from the shooter to manage recoil. The dispersed pattern of gases also reduces flash and concussion no matter how many rounds you fire. As it does not require timing, installation is easy without the need for shims or crush washers, making your life easier.

With 3 baffles to protect your suppressor, lightweight design, and minimal added length, the RRD-360-24F-KM is compatible with dozens of suppressors and can reduce recoil better than any other device you've tried. Specifications include 10mm bore, overall length of 2.91", and length added of 2.08". However, it is not recommended for barrels shorter than 10.5 inches, and it is important that all suppressor mounts be installed and checked for alignment by a certified professional to avoid serious damage to your suppressor/firearm.


  • 24-1.5RH thread pattern
  • Overall Length: 2.91"
  • Length Added: 2.08"
  • 10mm Bore
  • Dead Air KeyMount and KeyMicro Compatible
  • 17-4ph stainless construction
  • Black nitride finish
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BrandJMac Customs
Caliber Gauge.40 Cal
Suppressor MountDeadAir KeyMo
Thread PatternM24 X 1.5 RH
TypeMuzzle Brake
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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