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RRD-4C 30S KEYMO-JMac Customs


RRD-4C 30S KEYMO-JMac Customs Features

  • Threads: 5/8-24
  • Length: 2.82" long
  • Material: 17-4ph Stainless
  • Weight: 3.28oz
  • Includes shim kit and pin

Get the best of both worlds! JMac Customs extremely effective RRD4-4C muzzle brake comp with KEYMO suppressor mount! These are designed to install with provided shim kit on standard shoulder mount style barrels (factory muzzle device installed with crush washer) and can be permanently attached using the provided pin.


***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.***


This is a licensed product through Dead Air Silencers. 


Ships Via USPS Priority Mail for $7.95

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Atlantic Firearms,llc
10337 Bunting Road
Bishopville, MD 21813
Office: (410) 352-5183
Voice: (410) 352-5183
Fax: (410) 352-3374