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JMac Customs 4C 14-1LH 4-Port Muzzle Brake Color: Black, Finish: Nitride, $10.49 Off w/ Free S&H

JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, Black, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, Black, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, Black, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14
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JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, RRD-4C-14

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Questions & Answers
Customer Reviews
Most Recent Reviews
JMac Customs 14-1LH 4 port muzzle brake. by Eric, Verified Owner, November 11, 2025
This thing is huge, and expensive, but it works very well to reduce recoil. It does what it’s designed to do and absolutely worth it.
Read 1 Review
Color:
Black
Finish:
Nitride
Fabric/Material:
17-4PH Stainless Steel
Threads per Inch:
14x1 LH
Gun Make:
Kalashnikov
Length:
2.1 in
Condition:
New

Code: 4VI-BMB-JMC0345-RRD-4C-14

MPN: RRD-4C-14

List: $104.95Save 10%
$94.46

  • JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, Black, RRD-4C-14
  • Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
As low as $103.41
You Save Up to 10%
OP Bucks$2.07

Product Info for JMac Customs 4C 14-1LH 4-Port Muzzle Brake

The RRD-4C is a lightweight Muzzle Brake Compensator that not only reduces recoil by 20% and virtually eliminates muzzle rise but also REDUCES FLASH! 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 2.75 oz in weight!Product Specs;Threads: 14-1LH.image

Compatibility: Russian, Bulgarian, Hungarian, East German, Polish, Romanian - AK, AKS, AKM, AKMSYugoslavian/Serbian M64, M70, M72, OPAP, PAPChinese Variants with 14mm threadsUS AK/AKM clones - Century, DDI, IO, etc.WILL NOT FIT VZ.58 and its variants.

The RRD-4C has cut-outs on the top sides to allow gas to vent upwards in turn forcing the barrel downwards and virtually eliminating muzzle rise with an extremely low flash signature!Additional Pictures can be foundHERE! Reduces flash on barrels 11" and longerSee how the RRD-4C compares to 28 other popular AK muzzle devices in Flash Reduction!

Specifications for JMac Customs 4C 14-1LH 4-Port Muzzle Brake:

Manufacturer: JMac Customs
Color: Black
Finish: Nitride
Fabric/Material: 17-4PH Stainless Steel
Threads per Inch: 14x1 LH
Gun Make: Kalashnikov
Length: 2.1 in
Condition: New

Features of JMac Customs 4C 14-1LH 4-Port Muzzle Brake

  • 4 Port Muzzle Brake for Shotguns

Package Contents:

  • JMac Customs 4C 14-1LH 4-Port Muzzle Brake

JMac Customs 4C 14-1LH 4-Port Muzzle Brake Orderable Models

List of Orderable Models

  • JMac Customs 4C 14-1LH 4-Port Muzzle Brake, Black Nitride, Black, RRD-4C-14 , MPN: RRD-4C-14 , Code: 4VI-BMB-JMC0345-RRD-4C-14
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Last updated 2026-07-30 UTC.