dies for 10mm

I have a set of dies for 40 S&W. Can the same dies be used for 10mm?

Sure can! Same as 38/357, or 44 Spl/44 Mag dies. Hope they're carbide dies though, those 10 mm case walls are thick.

Thanks Hunter, that is what I thought, and yes they are carbide.

I'm going to disagree...kind of. The 40 die will NOT size the 10 fully to the base. That is the critical place where bulging occurs. If you buy a Redding G-RX die, that will smooth out any bulge. It's a push through die. So it completely sizes the case top to bottom. I run all my reloads through it. Most go through easily. But every once in a while one goes through hard. Better to catch now than having to punch a bullet out of the barrel later...

...and I have to respectfully disagree with you. I have two sets of 10mm dies, Dillon and Redding Carbide dies. I just checked both die boxes and they are marked 40 S&W/10 MM. I load for two different 10 mm pistols with these two die sets and also reload my Son's two 40 S&W pistols with these dies without an ounce of trouble.

Blackhawk Convertable said:

I'm going to disagree...kind of. The 40 die will NOT size the 10 fully to the base. That is the critical place where bulging occurs. If you buy a Redding G-RX die, that will smooth out any bulge. It's a push through die. So it completely sizes the case top to bottom. I run all my reloads through it. Most go through easily. But every once in a while one goes through hard. Better to catch now than having to punch a bullet out of the barrel later...

Click to expand...

Hmmm. Not a 40/10 mm user, but can you reload 40 with 10 mm dies but not 10 mm with 40 dies? I have some dedicated 44 Special dies that won't fully size a 44 Magnum case, just wondering it it's the same with 40 S&W and 10 mm? Dedicated 40 S&W dies?

After being an avid reloader for over 45 years, I sort have developed an insight on reloading. Since the 10 mm case/round was developed prior to the 40 S&W case/load, it makes much more sense for the die manufacturers to make 10 mm/40 S&W dies that would handle both cases and not just a dedicated 40 S&W die set. That's exactly what the manufacturers did. However, the older 44 Spl die sets would not full length size a 44 Mag case, however after the 44 Mag Ruger and S&W revolvers came out around 1955, all die sets made after that date were dual caliber die sets. As Elmer Keith once said "I was there", so was I.

quote="mikld"]Hmmm. Not a 40/10 mm user, but can you reload 40 with 10 mm dies but not 10 mm with 40 dies? I have some dedicated 44 Special dies that won't fully size a 44 Magnum case, just wondering it it's the same with 40 S&W and 10 mm? Dedicated 40 S&W dies?[/quote]

I guess my dies are different. Won't argue the point, but while "I wasn't there" I do know what my tools do and how they are marked. But then I've only been reloading since summer of '69 and don't claim to know everything (I only reload; 9mm, 45 ACP. 38 Special, 357 Magnum, 44 Special, 44 Magnum, 45 Colt, 223, 303 B, 308 Win., 30-06, 7.62x54r, 7.62x39 and 12 gauge)...

I'd like to blow my own horn also if I may. To date I shoot and reload 22 Hornet, 22K-Hornet, 222 Rem, 223/5.56, 6 mm, 7 mm Rem Mag, 7 mm STW, 25-06, 257 Wby, 30 Carbine, 308 Win, 30-06, 300 WBY, 338 Win Mag, 375 H&H. Pistol rounds are 380, 9 mm, 38/357, 40 S&W/10 mm, 41 mag, 44 mag, 45 ACP, 45 Colt and 455 Casull. Just bought dies for my new 224 Valkyrie AR15, but have not used them yet. Load on 2 Dillon 550B's, Dillon 650XL, Redding T-7, and a Redding single station press. I do shoot a lot!


imare

mikld said:

I guess my dies are different. Won't argue the point, but while "I wasn't there" I do know what my tools do a nd how they are marked. But then I've only been reloading since summer of '69 and don't claim to know everything (I only reload; 9mm, 45 ACP. 38 Special, 357 Magnum, 44 Special, 44 Magnum, 45 Colt, 223, 303 B, 308 Win., 30-06, 7.62x54r, 7.62x39 and 12 gauge)...

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If you look, I think you'll note that more die sets these day say something like .38 Spl/.357Mag, or .44 Spl./.44 Mag. so the .40/10MM combo just might work. I don't have .40 or a 10MM, sorry but I do have 38/357 and 44/44mag dies. What I did was set the dies up for the shorter cartridge and make a spacer that I can put between the die and press to work with the longer cartridge. RCBS now sells those spacers but I made mine years before they came out. Now I can resize the mag brass with the die set up for the shorter case without the use of a spacer. (RCBS dies. Can't speak about other brands.) Then put the spacer on the expander or seater depending on what you're doing and load away.
I only mention this as it may be applicable to the 40/10MM debate. Contact the die amaker and confirm if you can do this.
Paul B.

Hi...
They should work just fine.
I use carbide dies for 38/357, 44Sp/44Mag, 40/10mm with no problems.
I will add that I buy separate die sets for different calibers. I also buy separate seating dies for different bullets in the same caliber. I also use separate die sets for my RockChucker and Hornady LnLs.
I don't like to continually readjust dies so I set them up for the cartridge, bullet style and press that I am going to load them on and set the locking ring.
I also have been buying separate powder measure units for each caliber that I load on my LnLs. I just don't like to adjust things once they are set up for a particular cartridge and load.