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Reviews & Ratings for JMac Customs 4C 14-1LH Slim 4-Port Muzzle Brake — 13 reviews

(13 reviews)
JMac Customs 4C 14-1LH Slim 4-Port Muzzle Brake
JMac Customs 4C 14-1LH Slim 4-Port Muzzle Brake
$84.95 $76.46 Save 10%
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Most Helpful Positive Review Great Muzzle Device for the AK
Easy install for any 14-1LH barrel. Reduces muzzle recoil significantly. JMac Customs makes some of the finest quality items I have ever seen. I recommend this to anyone with an AK style rifle looking for extra performance!
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wasr10 fitment

by krypticace, Verified Owner from FL, United States Written on March 7, 2026
No crush washer or spring washer needed on my wasr 10 it completely sat flush with little to no wobble
Would recommend: Yes
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Easy on easy off

by Josh, from GA, United States Written on January 18, 2026
Threads on easy and off easy using the factory detent pin that most AK’s come with. Reduces recoil for the AK well and even better when paired with an enhanced/extra power recoil spring.
Would recommend: Yes
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Great addition to my Zpap m70

by J, Verified Owner from PA, United States Written on December 9, 2025
Great muzzle break. There is definitely a noticeable reduction on recoil. Item arrived timely and in promised condition. 10/10 would recommend.
Would recommend: Yes
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Jmac muzzle break

by Dave, Verified Owner from OR, United States Written on September 22, 2025
Love it next time I’d order direct instead of a middle man
Would recommend: Yes
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awsome muzzle for the price

by dev, Verified Owner from OH, United States Written on April 4, 2025
Works amazing completely eliminates muzzle rise very aggressive on the range
Would recommend: Yes
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Great Muzzle Brake!!

by Christian Hill, Verified Owner from SD, United States Written on November 28, 2024
Purchased for my Zastava to have a muzzle device on it as i dont plan on Suppressing it , it helped with recoil to a small extent as you cant expect drastic change from a muzzle device. The quality is also incredibly nice no sharp edges to get cut on and everything lines up , good price as well
Pros:
  • Quality
  • Function
Cons:
  • Loud
Would recommend: Yes
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Quick processing

by Ruri, Verified Owner from CA, United States Written on September 18, 2024
Optics planet processed my order within a day, much faster than my first order from them years back. as for the comp, I haven’t installed and used it yet but it looks high quality.
Would recommend: Yes
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Jmac customs 4c 14-1LH slim 4 port muzzle brake

by Kyle Norris, from TX, United States Written on July 2, 2024
Go ahead and order you one, you won't regret it. Heads up, make sure you have ear plugs in.
Would recommend: Yes
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Flat like flat bread!

by Tommy, Verified Owner from NC, United States Written on March 31, 2024
JMac’s quality has always been top notch and if you’re looking for something that won’t break the bank but at the same time looking for something that is of quality, this is it. It shoots super flat and with the glossy finish, it gives it a pop. At least that’s how I like it. But definitely recommend it.
Would recommend: Yes
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jmac muzzle

by Jordan Russell, Verified Owner from IN, United States Written on March 8, 2024
Fits well on my AK! I’ll take it to the range soon and try it out :)
Would recommend: Yes
0 of 2 found the following review helpful.
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