Fun Gun Reviews Presents: JMAC Customs RRD-4 AK Muzzle Brake Review. Field testing and review of this AK brake against the standard Slant Brake.
JMAC Customs Website: http://www.jmac-customs.com/
JMAC Customs YouTube Channel: https://www.youtube.com/user/justinmcmillion
Federal Premium Ammo: https://www.federalpremium.com/ With a Special thanks for sponsoring the ammo for this review.
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Thanks for watching~ Sootch00
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