I`m currently loading or in the starting mode of starting to load for 380 (wifes Bersa) & have found the fast shotgun powders very touchy when the boiler gets small!
I`d go with the AOL that gave the best feeding & increse the powder .1gr at the time until good ejection occurs.
One point I may mention ,you`re using mixed brass & interior capacitys may vary from brand to brand affecting pressures in such a small case.
If a load is worked up in a larger capacity case then put into a smaller capacity case that same load makes more pressure , see where I`m going here???hopefully just inconsistent results!
This may be the cause of your recent results, you`re right on the edge of the pressure curve for YOUR pistol to cycle.
Anyways ,I`m a true blue revolver shooter but have I have owned a few autos .
The 1 I`ll never forget was a 460Rowland fresh from R&D ya had to use rifle brass cutdown to shoot it , it`d throw brass 50 ft. seems like!!& even when ya found factory ammo it went 49.5 ft.
Talk about walkin around lookin down !!!
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GP100man
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