I\’ve been using
Bullet: 9mm 124gr fmjrn
Powder: 4.5gr Winchester 231
o.a.l: 1.135
Primer: Winchester SPP
getting very good groups with this at 15 yards 4.5 in barrel. I haven\’t stepped up to 5gr of powder yet.
Has anyone independently tested expansion with their loads? Just wondering how much FPS I should shoot for (no pun intended) to get reliable expansion.
** Edit *** Found what I was looking for. We should be targeting 1100 FPS. Has anyone chronoed their Unique Powder loads?
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