Видео с ютуба Rrd4C

RRD-4C 556 Full Auto in the Dark

JMAC Customs RRD-4 (Recoil Reduction Device)

RRD-4C "SLIM"

Lynx 12 shotgun with RRD4C muzzle break.

JMac Customs RRD4C

Дульный компенсатор JMac RRD-4C

Full-Auto - Testing our new RRD-4C "slim"

JMAC Customs RRD 4C Muzzle Brake Review and Range Test

Jmac customs RRD-4C testing

Draco pt.3 with JMac Customs RRD4C

SNEAK PEAK - RRD-4 Muzzle Brake Promo video featuring TWO full auto AK-47's!

RRD-4C "12" Muzzle Brake/Comp for VEPR-12 and Saiga-12 shotguns!

DDI 47s at heavy metal match Riton X3 tactix JMAC RRD4C getting in work

RPGI Heavy metal match DDI 47s Riton X3 tactix Jmac rrd4c

.338 Lapua Mag Vs 5/8-24 RRD-4C Muzzle Brake (Do NOT attempt this).

Ash Rapid firing HIGH BRASS with/without the new RRD-4C 12 prototype muzzle brake comp

Lynx 12 with RRD4C muzzle break. Mag dumb.

Best Muzzle Brake for Competition?

Jmac Customs RRD-4 AK-47 Muzzle Brake Review

JMac Customs RRD-4C Slim 14mmLH

Jmac Customs RRd4c, RS Regulate RDS mount, Armacon HG, Vitamin K Labs Grip, and AK Thumbgrips ECH

Jmac brake.... No muzzle rise....

JMac Customs RRD-4C Slim 14mmLH

MRL Sneak peak by JMAC Customs

M92 with rrd 4c brake