40 S&W sizing

[firemanjoe]

I am reloading 40 S&W and I was just wondering if there was a brand of dies or die set that do an exceptional job at sizing the bulge out of glocked brass, other than a lee "u" die or lee FCD.
I apologize because I know the subject of glocked brass has come up more times than anyone cares to count.

[joelogic]

In my experience Dillon dies work fine it you are loading glock brass for a glock but if you are loading glock brass for a tight chamber gun you will have to use a debulging die.

I really like my Redding die. The carbide is worth the money because of the spring loaded cup that holds the brass. Way easier to use.

http://www.midwayusa.com/product/231187/redding-g-rx-carbide-base-sizing-die-kit-40-s-and-w-357-sig-10mm-auto

[Clownpuncher]

I use the Lee Bulge Buster die. It works great and I can certainly tell when I press brass through it that didn't come out of my XD. I also run all of my 45 through it. Of course, you need a factory crimp die for each caliber to attach to it. My 40 dies are lee so I had a FCD, for 45 I just bought a FCD for 15 bucks. It works great, just put it on your press and push it through and the die box sets on top of the die and catches the brass so all you do is push them through.

http://www.midwayusa.com/product/882261/lee-bulge-buster-base-sizing-kit-380-auto-40-s-and-w-45-acp

[Bill Steele]

I am reloading 40 S&W and I was just wondering if there was a brand of dies or die set that do an exceptional job at sizing the bulge out of glocked brass, other than a lee "u" die or lee FCD.
I apologize because I know the subject of glocked brass has come up more times than anyone cares to count.

There appears to be a great deal of misunderstanding regarding the U die and Glock bulges. The U die is an undersized die, that is, it sizes the brass down to a smaller OD. Taking the Glock bulge out is a matter of getting the sizer ring down far enough on the brass to get it back to standard dimension. A U die is a great choice for assuring thinner headstamp brass like R-P, Starline and TZZ (to name a few) have sufficient neck tension when running jacketed bullets of nominal caliber size. The U die won't get any farther down the case than the standard Lee sizing die as far as the bulge is concerned.

It is hard to get the whole bulge out without using a pass through style of die, that is, the brass passes all the way through the die. As Joe points out, just about any sizer will work fine if you are loading them for a Glock chamber.

One trick some use is to grind the top of their shellholder down some, allowing the mouth of their sizing die to get farther down on the bulge and taking more bulge out. A standard Lee sizer with the shellholder ground down will take most of the bulge out. Obviously this is not an option on a progressive press.

The best thing to do is to adjust your standard sizing die down to within a paper's width of the shellholder/shellplate, pick out some of the worst bulged brass in your collection and make a few dummy rounds and see of they cycle in your gun (they likely will). If the remaining bulge keeps your dummy rounds from chambering, get a pass through style die to bring your cases back to spec.

With my hottest 10mm loads out of my G20SF, I get as much as a .434" bulge down near the head of the case. My standard Dillon sizer works fine for making reloads with these cases for my G20/G29. BTW, I don't reload these cases back to max loads. For my nuclear 10mm loads it is one and done.

[oddjob]

Bill speaks the truth. I used standard Dillon dies for years and they worked just fine. I now use an EGW undersize sizing die. I use it more to prevent "set back" than the sizing. I sometimes use fast powders (like Clays) in .40 cal and set back can be a problem for me.

[MIAMIbaseballer]

Dillon dies will work just fine.