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Old 01-28-2010, 22:57   #1
Tmygun
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400 CorBon...How does it stack up against the 10mm???

My brother was considering a 400 Corbon barrel for his SA 1911. Is it really in the 10mm performance range. It seems intersting, since they say all you need to do is drop the barrel in, and 45acp brass is everywhere.
What say ye???

Tmygun

Last edited by Tmygun; 01-28-2010 at 23:50..
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Old 01-28-2010, 23:18   #2
bfoosh006
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Sounds like an interesting conversion, the only drawback ( a major one to me ) is the case is a Bottle-Neck cartridge and as such it isn't as "easy" to reload. You will have to lube each case, I don't think anyone makes a carbide die for it.
And while not an answer about the 400 Corbon, you should mention the 460 Rowland to him. Check the " 460 Rowland" post. It is far "easier/better"... ( subject to your opinion...)

Last edited by bfoosh006; 01-29-2010 at 09:48..
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Old 01-29-2010, 03:01   #3
gatorboy
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There's also the 40 super he could look at.
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Old 01-29-2010, 09:03   #4
tjpet
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[QUOTE=bfoosh006;14641682]Souunds like an interesting conversion, the only drawback ( a major one to me ) is the case is a Bottle-Neck cartridge and as such it isn't as "easy" to reload. You will have to lube each case, I don't think anyone makes a carbide die for it.
And while not an answer about the 400 Corbon, you should mention the 460 Rowland to him. Check the " 460 Rowland" post. It is far "easier/better"... ( subject to your opinion...)[/QUOTE/]


Run your fired .400 Corbon cases through a .45ACP carbide die first then the Corbon resizer. No lube necessary.

Reloading the round is pretty straight forward. The neck is short and bullets need to be crimped by some means. Most .400 bullets don't have a cannelure so I use a Dillon taper crimp die for the last step. So far, so good.

The .400 Corbon can approximate the 10mm but not equal or exceed it. I love shooting mine for varmints and such. The Sierra 135grn.HP stoked to 1400fps or so is accurate and deadly.

I use a 20lb. spring with the Corbon barrel. Keeps brass from flying into the next county. Cases can be made from stock .45ACP brass. But if you want to run the round hot get some .400 Corbon brass from Starline. It has a small primer pocket and thicker walls at the base. I use Remington 7.5s and get better acccuracy with lower pressure(s). You can buy 100 count bags from Dillon for $26.

A fun round if you've got a 1911, SIG P220, or G21 to begin with. Makes a good gun that much more versatile.
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Old 01-29-2010, 09:49   #5
bfoosh006
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Interesting about the .45 die, I had not thought of that.
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Old 01-29-2010, 11:40   #6
Tmygun
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Thanks guys, I'll pass this info on to my brother.

Tmygun
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Old 01-29-2010, 21:49   #7
Doc Pathfinder
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The 400 CorBon is at it's best with 135 to 155 grain bullets. The 10mm works great with 180 grainers. That's where the 10mm would have an advantage over the 400 CorBon but I do love shooting those little 135's in my converted G-21sf.
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