Out of stock
JMAC Customs RRD-4C-30 Muzzle Device - 5/8x24
Out of stock

JMAC Customs RRD-4C-30 Muzzle Device - 5/8x24

SKU 5165502082
Brand JMac Customs
Model Number RRD-4C-30
UPC 5165502082
Customers must read Compliance Information before purchasing.

Product Details


  • Bore: .360 Bore
  • Material: Military Grade 17-4ph Stainless Steel
  • Thread Pitch: 5/8x24
  • Ports: 4
  • Length: 2.1" (1.5" added length)
  • Weight: 3.56 oz.
  • Finish: Matte Black Nitride


The RRD-4C by JMAC Custom is a lightweight muzzle brake compensator that not only reduces felt recoil by 20% and virtually eliminates muzzle rise but also reduces flash as well. This one of a kind combination device gives you control over your firearm like you've never had before while only adding 1.5
 in length and 3.56oz in weight!

Product Specs;

  • Material: Military Grade 17-4PH Stainless Steel
  • Length: OAL 2.1"(53.4mm), Added length 1.5" (38.1mm)
  • Weight: 3.56 oz, 101 grams
  • Finish: Matte Black Nitride
  • Caliber: .360" bore will work with 5.56, 5.45, 7.62x39, 300BLK, 6.5 Creedmoor, .308/762 NATO, 7.62x54r, 7mm, 7mm Mag, 300 win
  • Manufactured in the US and counts as 1 922r compliance part
  • Reduces flash on barrels 11" and longer


  • AR-10 type rifles
  • 300 BLK AR-15 type rifles
  • SCAR-17
  • Galil Ace Rifle and Pistol in x39 and .308
  • Bolt action rifles threaded in 5/8-24 with a bullet diameter no larger than .338
  • Keltec RFB


Q & A


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.