12GA GUALANDI GAS SEALS 6.5MM
12ga Gas Seals for use over powder.
12ga Gualandi Gas Seals 6.5mm
Gas seals or obturator discs give a gas sealing property similar to a plastic powder cup. Designed primarily for use under felt or fibre wads to make them more ballistically efficient. In certain applications obturators can be used under some plastic wads to increase the column height.
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