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9mm won't fit

I recently started loading my 9 mm and 45 I love it, question is when I'm loading my hollow point 9 mm the case bulges in it doesn't fit in my gun when I load the regular 9mm works great can't tell what's wrong any ideas
 
Lots of things. Firsts is to make sure you're not loading .357" bullets. Are your "regular" 9mm bullets plated or actual jacketed? It's possible that substituting a jacketed bullet for a plated one can cause a difference in force required for crimping the cases. If crimping force has increased you could potentially bulge the case enough to prevent chambering. I myself like the Lee carbide sizing die that actually sizes your loaded rounds and just about cures this issue. Maybe a bandaid fix, but they always worked and shot better than I could hold.
 
There are two different diameters of hollow points that are close to 9mm. The larger .357 diameter one would be for use in a 357 magnum and the .355 diameter bullet is for 9 X19 (or 9 X 21)cartridges
 
If you are casting your own bullets they need to be sized before reloading them. Loaded 158 grain truncated cone semi wad cutters with out sizing and when i had loaded a few it tried them in the cylinder of my Smith they would not go in the cylinder. when sized they fit fine.
 
I recently started loading my 9 mm and 45 I love it, question is when I'm loading my hollow point 9 mm the case bulges in it doesn't fit in my gun when I load the regular 9mm works great can't tell what's wrong any ideas

Are you taper crimping?
 
I've been loading a little while it's been a lot of fun I like doing it but when I loaded my hollow point 9 mm the case bo a little bit and won't fit my gun any suggestions16364835223071818439434800356342.jpg
 
Lots of things. Firsts is to make sure you're not loading .357" bullets. Are your "regular" 9mm bullets plated or actual jacketed? It's possible that substituting a jacketed bullet for a plated one can cause a difference in force required for crimping the cases. If crimping force has increased you could potentially bulge the case enough to prevent chambering. I myself like the Lee carbide sizing die that actually sizes your loaded rounds and just about cures this issue. Maybe a bandaid fix, but they always worked and shot better than I could hold.
Not. 357 there .355 ,the.356 work great but the. .355 buldge?
 
Because of the shape of the hollow point I had to reset the seating dye to make sure I come out with the exact length it still bulges
 
What jsn said, check the overall length - should be 1.1” or a bit less.

a Dillion cartridge gauge is a useful tool.
 

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