Widder, SASS #59054 Posted March 26, 2017 Share Posted March 26, 2017 I know that flash holes seem to be of 2 diameters: small at .0625 and large at .081. Before anyone post that the small diameter is for small primers and the large diameter flash holes are for large primers, that isn't always so. .454 Casull brass uses small primers (pistol or rifle) yet the flash hole is the larger size. Anyhow, while reloading some brass, even with the same headstamps of R-P, FC, Speer, etc..... most of the brass from each of these headstamps had small flash holes while about 1 in 10 had a large flash hole. And if your decapping pin is of the larger size, you will find out quickly that A Lot of your brass has the small flash hole..... Thanks for any insite you may have. ..........Widder Link to comment Share on other sites More sharing options...
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