9mm pistol bullets? Right idea...just wrong bullet. Use a .38 Special/ .357 Mag 158gr bullet... diameter .357". That's the classic 35 cal plinker. Plenty of data out there for it. Try something like these from American Reloading. 500 of them TYD for $49. Load em up in front of Unique, Bullseye or a reduced charge of either of the 4198s or RL7. Lotsa fun!

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