.45 ACP Ignorance

[gcf]

Problems with R-P .45acp brass, as well. Prefer to use WW. Works fine with my Dillon carbide die set. .451 jacketed for Kart NM barreled S.80 Colt Gov't, & .452 cast for everything else.

When setting up my dies, I measure OAL of a handful pieces of brass, & select 4 - 5 of average length. Helps keep crimp consistent for the whole batch.

Although it requires an extra step with my 550, I have found the Lyman M expander - properly adjusted for bare minimum "slip fit", to provide far better results (cast, plated, or jacketed) than the Dillon "powder through" expander.

[gregs]

Feeding issues in the 1911 can also be causing your problem. Although the slide has enough force to overcome the roadblocks in the feedway a smoother transition might help.

A different mag might also help you out also.

[markwell]

I too had Remington brass problems "back in the day"; stuff was too thin and seemed softer than other cases. It's hard to beat GI brass, which is harder to come by these days. All-time favorite was Gi NM brass that had no crimp; IMI is a close second. If you have a LE connection, you might give Federal HS nickel plated brass a try also; it's very good.

FWIW, I taper crimp .45ACP .452" cast bullets to .468", or just a bit tighter.