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Reviews & Ratings for JMac Customs 360HD Plan B Taper Mount Muzzle Device — 6 reviews

(6 reviews)
JMac Customs 360HD Plan B Taper Mount Muzzle Device
JMac Customs 360HD Plan B Taper Mount Muzzle Device
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Heavy Duty

by Ultimate, Verified Owner from OH, United States Written on October 11, 2026
As Heavy Duty as you can get.

Used on RAS47 Pistol and WBP Mini Jack to attach the Putnik. Passes everytime under severe shooting conditions.
Would recommend: Yes
Was it helpful to you? Yes | No
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1/2 X 28 muzzle for AR

by W, Verified Owner from AZ, United States Written on August 29, 2026
Worked great on my AR, paired it with a vent 1 and rearden plan b mount. No issues, shoots great. Gonna get another in the future for other rifles.
Pros:
  • EASY INSTALL
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No
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didnt work for me, will use in future im sure.

by W, Verified Owner from AZ, United States Written on August 29, 2026
Got it for my AK gf3, I’m pretty sure my barrel concentricity is off. I originally installed with no shims as directed, muzzle tightened up against the front sight post so I thought this was my concentricity issue. bought a shim kit to see if that would fix the issue without luck, so pretty sure it’s my rifle. Worked great without my suppressor attached, definitely fireballs first few shots
Would recommend: Yes
Was it helpful to you? Yes | No
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Fantastic muzzle device

by RVA79, Verified Owner from VA, United States Written on April 28, 2026
This muzzle device was super easy to install. No timing needed. I used this with the JMac tapered hub mount on my 300 blackout and couldn’t be happier. A little nickel based anti seize keeps the hub and brake from locking up to each other.
Would recommend: Yes
Was it helpful to you? Yes | No
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JMac Customs 360HD Plan B Taper Mount Muzzle Device

by JMac 360HD Plan B Taper Mount, from PA, United States Written on March 29, 2026
JMac Customs… nothing bad to say at all. From the custom service to the quality of the product. Over all fantastic looking product, from fit to finish! The main key selling point, NO SHIMS REQUIRED! Can wait to see this run on my 9mm JAKL build suppressed. Would highly recommend anything they offer! Do not be scared to purchase!
Would recommend: Yes
Was it helpful to you? Yes | No
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Zastava M70

by average joe shooting, Verified Owner from CA, United States Written on January 24, 2026
Got this for my Zastava M70. Used to run the Deadair keymo but was very heavy and outdated now. This 360 option from JMAC is very well machined and finished nicely. Threads perfectly with the Wolfpack armory low pro hub mount. Would recommend for AK suppressed set ups.
Pros:
  • Lightweight
  • well finished
Cons:
  • out of stock often
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2026-01-25 UTC.