lead bullets

[243winxb]

Try Shorter OAL.
Taper crimp. Start with just removing the case mouth flare/bell. Check to see if rounds plunk. Fall in and out of chamber.

The Lee seat die first tapers, then roll crimps. Do not over crimp or roll.

 

[rfwobbly]

More crimp will help; measure what you have now and move it couple of thousands.

More crimp MAY help, but it is just as likely more taper crimp MAY make things even worse. In my experience, too much taper crimp will buckle the case side walls, thereby creating a loosely seated bullet and a bulged, oversized case in the mid-section. So you'd be replacing one issue with two !!

Please explain how creating more problems "helps" the OP.

 

[rdnktrkr]

One of my 45acps doesn't like anything square, round nose only, another doesn't like bullets with a step, basically what was stated earlier does hold true I just had to figure it out myself, figuring out what bullets your guns prefer feel is part of reloading.
One thing I started doing with semis is to remove the barrel and plunk test each round as I put them in storage

 

[dannyd]

More crimp MAY help, but it is just as likely more taper crimp MAY make things even worse. In my experience, too much taper crimp will buckle the case side walls, thereby creating a loosely seated bullet and a bulged, oversized case in the mid-section. So you'd be replacing one issue with two !!

Please explain how creating more problems "helps" the OP.

Just trying to help; still trying to figure out the 45 ACP myself only been able to load 10,937 rounds of it so far. I'm sure you guy's that have loaded more than me know more than me. Just my Two Cents.

 

[OLDE RETIRED COASTIE]

Yeah, I can remember all the problems my deceased brother had getting his springfield armory 9mm 1911 to feed, he tried everything, new magazines, changed the springs and followers, changed bullets, and he finally got it right with a change of cast bullet from one design to another. He had even gotten springfield armory to change barrels,

 

[GeoDudeFlorida]

Yeah, I can remember all the problems my deceased brother had getting his springfield armory 9mm 1911 to feed, he tried everything, new magazines, changed the springs and followers, changed bullets, and he finally got it right with a change of cast bullet from one design to another. He had even gotten springfield armory to change barrels,

You really will (or CAN) save yourself a lot of headaches and aggravation if you will learn how to find the correct maximum and minimum seating depth for your bullets. Berger has a really great set of articles here:
https://bergerbullets.com/effects-o...coal-and-cartridge-base-to-ogive-cbto-part-1/
READ BOTH PARTS!! Twice!

I know they concentrate on rifle - and the math looks pretty complicated - but the same principles and similar practices apply to handgun loading and once you've done it the whole thing from measuring to assembly, it's really not hard at all. You really are FAR better off putting in the work in advance when you buy a new bullet with no OAL/COAL data instead of standing around wondering what went wrong when it doesn't feed or is erratic on paper.

I made a simplified diagram based on the Berger CTBO articles:

I use a dial caliper and my own barrels when possible. For some of my rifles I've had to resort to using SAAMI-spec case gauges that I know are close to my rifle's chambers/barrels - or at least close enough.

 

[mdi]

FWIW; I cannot remember the last time I "crimped" a semi-auto handload. But every one I load is deflared with a taper crimp die (32 ACP, 380 ACP, 9mm, 45 ACP).

 

[mstreddy]

OP, it's been mentioned already, but here is the Plunk test. With lead bullets, any bullet really, you just can't compare to a factory round unless you know for a fact it is the same exact bullet. Bullet profiles may be different even with the same weight. So, you have to plunk test them in your barrel.