UMAREX HDP50 TESTING Co2 With and without tuning run | Chicago Less Lethal | 312-882-2715

Thank you for visiting us here on Rumble ! In this video we are showing you some tests we did with this marker with a tuning run and without a tuning run. All test were done with co2 12 gram umarex cartridge. The marker is a gen.2 valve body, valve block removed, and restrictor disc installed with a 1.5mm hole drilled into it for maximum co2 flowing with allowing for 16 plinks. Thank you for watching and to God be the Glory.