hogdogs
Certainly 20 gauge buckshot ammo has not seen the level of commercial development seen in top tier 12 gauge rounds. Even so, the application of high antimony (5 to 6 %) buckshot pellets and using the largest pellets that can be stacked in layers of two, with a simple mark 5 type shot collar would go a long way in improving 20 bore buckshot.
Even with the paucity of load development, careful selection of choke diameter matching the diameter of the pellet stack can improve the performance of current commercial 20 gauge buckshot ammo.
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