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Product Code : 360HD-11S-X37-45

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(R)ecoil (R)eduction (360)Degree Ports (HD) Heavy Duty (11) 11/16-24 Threads (S)houldermount (X37)1.375-24 External Threads

This device has a 0.50" diameter bore, optimized for .45 caliber projectiles!

The RRD-360HD is designed specifically with short barrels and high pressures in mind! Due to excess pressures and gasses associated with rifle calibers in short-barreled firearms, a barrel length restriction was put in place for many of our popular devices. To remedy this, we've taken our 360 design and reinforced the device by adding additional material where it's needed and removing material in some areas to cut down on size, and weight. You get the same amazing performance out of our 360 devices, now with a Heavier Duty design for short-barreled firearms!

The X37 Series Muzzle Brakes combine our effective RRD muzzle brake design and a direct thread mount for several popular suppressors as well as our BDS-37 and BDS-37-EXT blast shield! This allows you to leave the muzzle device installed and simply thread the suppressor over! Reduces weight, length, and cost compared to QD systems. Direct thread is also the preferred mounting method for accuracy!

What makes the 360 unique?

  • 3 layers of protection for your suppressor
  • No timing / shims not required
  • Lightweight
  • Minimal added length
  • Compatible with dozens of suppressors
  • Reduced Recoil

Product Specs:

  • 11/16-24 Thread Pitch
  • 1.49” Overall Length
  • Compatible with .45cal firearms
  • Compatible with Marlin Lever Actions and .450 Bushmaster
  • 0.50" Bore
  • 1.375-24 External Threads
  • 17-4ph Stainless
  • Black Nitride

X-Series Device Compatibility

***JMac Customs is NOT responsible for improper installation of this muzzle device or any damage to the suppressor using this device. We recommend this be professionally installed and checked to ensure alignment.***

JMac Customs recommends that all suppressor mounts be installed and checked for alignment by a certified professional. Serious damage could result to your suppressor/firearm and physical harm is possible if installed/used incorrectly. All suppressor mounts MUST be tight against the shoulder or face of the barrel, using shims or face-milling method. Contact us if you have any questions or need a recommendation for professional installation. JMac Customs LLC is not liable for injury, damage, or death related to the usage of this product.

Determined at checkout.