PK Custom: T4E HDR50 Rocketkey .50 +16 joule?

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Defense Innovation Umarex T4E TR50 .50 Caliber Home Defense Revolver HDR 11 Joules Power Factory Production Version : Sports & Outdoors

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The Rocketkey.50 valve pin is a little shorter than the original part and has an optimized tip geometry which results in a longer valve opening time.

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Defense Innovation Umarex T4E TR50 .50 Caliber Home Defense Revolver HDR 11 Joules Power Factory Production Version : Sports & Outdoors

Defense Innovation Umarex T4E TR50 .50 Caliber Home Defense Revolver HDR 11 Joules Power Factory Production Version : Sports & Outdoors

Power test comparison without and with valve block HDR50 T4E revolver

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