The X12X is our best selling gas seal. Our lab has yet to test another gas seal that more effectively and efficiently seals propellant gases - even the slowest of slow burn powders.
This gas seal is used by many high-specification cartridge manufacturers. The X12X is the primary wad in many factory specialty rounds, including law enforcement and military loads for all weather conditions. The X12X is symmetrical and this means that there is no need to orient it either up or down when loading. The X12X provides highly effective gas sealing with slow burn rate as well as fast burn rate powders.
Dimensions: .727" x .272"
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