Anyone know if the Rio hulls are Cheddite? They do have the star-number headstamps. The BPI load data I got through Rio lists Rio-209 primers for all the loads as the primer holes are metric, meaning, they say, that American primers fit too loosely. The hulls are very nice, much like the old green ribbed Remington hulls - sturdy case, nice high brass. I like them and am going to reload them if I can get Rio primers sent to Alaska somehow.
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