Mine is an inexpensive plastic one that works just fine with .243 and .30-06 cases, but the narrow part of the funnel is just a bit larger than the mouth of a .223 case. If I use ball powder, there's some risk of granules spilling out in the gap between the case mouth and the funnel unless I'm very careful about how I hold the case.
Is there any advantage to the caliber-specific funnels (Satern) or something like the RCBS quick-change, and are any clearly better than the others?
Is there any advantage to the caliber-specific funnels (Satern) or something like the RCBS quick-change, and are any clearly better than the others?



Bob B. 
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