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Service kit for Umarex T4E HDR 50 revolver Spare parts for Umarex T4E HDR50 Revolver, item codes 2.4757 and 2.4758.
Contents:
Large trigger spring
Small trigger spring
O-Ring 11 x 1.2 mm
O-Ring 6 x 1.5 mm
Valve seal
Instant Pierce Valve