Shoulder set-back .30 Luger

[Doubs]

Originally Posted by rhuff

I have been loading 30 Luger brass for many, many years, and have never found a need to trim any of my brass. Some of my brass has been reloaded 10-15 times, or more. Something else is wrong in my way of thinking. Are you getting bullet setback?

Plus one.

I have also been reloading .30 Luger for about 50 years and while the short neck is not ideal, it's still not hard to do.

IF your bullet diameter is too large, trying to seat it in a neck that is too tight may cause the shoulder to collapse. The answer is to either bevel or expand the case mouth to start the bullet.

Neck tension is critical to prevent bullet setback as the cartridges feed into the chamber. Depending upon the bullet used, a crimp may be - and often is - necessary.

WRT trimming the cases, I almost never do as I've found it to be unnecessary.