Unclenick,
If 21.75" is a sort of magic number, I think it's only for that warehouse yard range, barrel and specific load for the rifle used.
7.62 NATO M80 ammo used in 1000 yard Palma matches has to be shot in barrels at least 30 inches long to keep them super sonic in cooler temperatures.
If 21.75" is a sort of magic number, I think it's only for that warehouse yard range, barrel and specific load for the rifle used.
7.62 NATO M80 ammo used in 1000 yard Palma matches has to be shot in barrels at least 30 inches long to keep them super sonic in cooler temperatures.
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