Sheridan Pump-Up Repairs & Reseals Full repair & reseal service available for all models from the early variants with the brazed-in valve bodies through to the later guns with a removeable valve block. A manufacturer's pump seal is used, all other seals are custom manufactured Polyurethane for extended life and optimum performance. M9D's high tech Moly-Lubes are used throughout the gun. |  | | |
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