Z-RAM Firing Bolt + Powerkit.50 V2 for Umarex HDR50 TR50, export valve, Gen2 + Gen1, 7.5j version 20-30J Z-RAM Firing Bolt + Powerkit.50 V2 for Umarex HDR50 TR50, export valve, Gen2 + Gen1, 7.5j version 20-30J Includes Powerkit.50 V2 + Z-RAM Stainless Steel BoltOutput: up to 30 Joules Take your Umarex HDR50 / TR50 to the next level with this high-performance combo!
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