Installing the tuning barrel in my HDR68. I test the velocity with both the new aluminium Tuning cylinder and the orginal plastic cylinder. I also put on the new Push Button cap for the CO2 screw. Big thanks to Florian Søllner from www.homedefence-24.com
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Umarex HDR68, Tuning Barrel, Homedefence-24
- Рет қаралды 10,256
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