JMac Customs 360 Face KeyMount & KeyMicro Muzzle Brake - 26-1.5LH

Manufactured by JMac Customs
SKU: RRD-360-26F-X37-KM
MPN: RRD-360-26F-X37-KM
Manufactured by JMac Customs
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The RRD-360 Muzzle Device from JMAC Customs is the ultimate solution for managing recoil and minimizing flash and concussion. With its unique 360 degree venting, this device ensures that gasses are directed away from the shooter, making it easier to handle your firearm. Unlike other muzzle brakes on the market, the RRD-360 does not require timing or shims for installation, making it incredibly easy to install.

But what sets the 360 apart is its compatibility with KeyMount/KeyMicro devices. The RRD-360-24F-KM allows you to attach these devices to your 24-1.5RH threaded firearm without the need for re-threading. Furthermore, the device has external 1.375-24 threads located at the base, making it compatible with an extended blast shield in the future.

Constructed of 17-4ph Stainless and finished with Black Nitride, the RRD-360 is lightweight and only adds 2.08 inches to your firearm's overall length. It is compatible with dozens of suppressors and can reduce recoil effectively. However, it is not recommended for use with barrels shorter than 10.5 inches due to the excess heat and pressure that can cause damage to the device. All suppressor mounts should be installed and checked by a certified professional to ensure proper alignment and safety.


  • Unique 360 degree venting directs gasses away from the shooter
  • Easy installation without timing or shims required
  • Compatible with KeyMount/KeyMicro devices for convenient attachment
  • No re-threading necessary for 24-1.5RH threaded firearms
  • External 1.375-24 threads for future compatibility with extended blast shield
  • Constructed of lightweight 17-4ph Stainless steel
  • Finished with Black Nitride for durability
  • Adds only 2.08 inches to firearm length
  • Effective recoil reduction
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BrandJMac Customs
Caliber Gauge.30 Cal
Suppressor MountDeadAir KeyMo
Thread PatternM26 X 1.5 LH
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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