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precision aluminum tuning drum, turned from the full, for the Umarex HDR50 revolver in 0.50 caliber. The drum has been slightly revised and improved in design.
Details:
Black or gold matt anodized
Aluminum turned from the solid
6 shots
approx. 30 grams | cal 0.50
wider than the original
reduces the blow up
Extreme fit tolerances
increased precision and performance (approx. 0.5 - 1.5 joules)
very high longevity
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