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Questions & Answers
Customer Reviews
Helpful Positive Review
Awesome muzzle brake by JB, Verified Owner, June 24, 2025
Really like this brake. Great quality built and finish. Smooth threading, screws on nicely. Feel the difference from before upgrading. Also, it looks pretty cool, nice touch for your build.
1/1 found this helpful
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Color:
Black
Finish:
Nitride
Fabric/Material:
17-4PH Stainless Steel
Threads per Inch:
M24x1.5
Gun Make:
Kalashnikov
Length:
2.5 in
Weight:
3.1 oz
Condition:
New

Code: 4VI-BMB-JMC0352-RRD-4C-24

MPN: RRD-4C-24

List: $119.95Save 10%
$107.96

Product Info for JMac Customs 4C 24-1.5 4-Port Muzzle Brake

(R)ecoil(R)eduction(D)evice(4)ports(C)ompensator(30)5/8x24(S)houlder(KM) KeyMountThe best of both worlds! Our super effective RRD4-4C muzzle brake comp with KEYMO suppressor mount!Theseimage

are designed to install with a shim kit (optional) on standard shoulder

mount style barrels (factory muzzle device installed with crush washer)

and can be permanently attached using the pin (optional).Threads: 5/8-24Length: 2.82'' longMaterial: 17-4ph StainlessWeight: 3.28ozKeymount and X-Series Suppressor 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.This is a licensed product through Dead Air Silencers.

Specifications for JMac Customs 4C 24-1.5 4-Port Muzzle Brake:

Manufacturer: JMac Customs
Color: Black
Finish: Nitride
Fabric/Material: 17-4PH Stainless Steel
Threads per Inch: M24x1.5
Gun Make: Kalashnikov
Length: 2.5 in
Weight: 3.1 oz
Condition: New

Features of JMac Customs 4C 24-1.5 4-Port Muzzle Brake

  • 4 Port Muzzle Brake with KeyMount

Package Contents:

  • JMac Customs 4C 24-1.5 4-Port Muzzle Brake

JMac Customs 4C 24-1.5 4-Port Muzzle Brake Orderable Models

List of Orderable Models

  • JMac Customs 4C 24-1.5 4-Port Muzzle Brake, Black Nitride, Black, RRD-4C-24 , MPN: RRD-4C-24 , Code: 4VI-BMB-JMC0352-RRD-4C-24

JMac Customs 4C 24-1.5 4-Port Muzzle Brake Unavailable & Discontinued Models

List of Unorderable Models

  • USED, JMac Customs 4C 24-1.5 4-Port Muzzle Brake, Black Nitride, Black, RRD-4C-24 , MPN: RRD-4C-24-EDEMO , Code: 4VI-BMB-JMC0352-RRD-4C-24-EDEMO-RE-B
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