so if you can find a light load for the 454, drop a grain and it should be fine for the 410 GNR. Just never load any light loads with ball powder like 296, H-110, 1680 and such.
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410 GNR
- ffemt, 2020-07-05, 16:40
- 4227 clams the roound down a lot to me (nm) - Lynn, 2020-07-06, 10:24
- Try 4227 with a magnum primer, that should do it. - WB, 2020-07-05, 19:46
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Sean may have some lighter loads (nm)
- gary reeder, 2020-07-05, 18:55
- the 410 GNR is based on the 454 Casull brass - gary reeder, 2020-07-05, 19:37