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Old November 4, 1999, 08:49 AM   #1
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Join Date: November 2, 1999
Location: Indiana
Posts: 283
I have a not very old large-frame Llama .45 in almost new condition. I was wondering about the advisability/cost of converting this to shoot the 400 corbon load. Can this gun handle the pressure differences, or are there pressure differences? Where can you get the barrel for the 400 corbon conversion?
lucky085 is offline  
Old November 4, 1999, 03:51 PM   #2
Join Date: October 20, 1999
Location: Ontario, Canada
Posts: 68
Ed Brown makes a drop-in kit for $169.

The clip for your .45 will work for the .400 Cor-Bon. All the kit replaces is the barrel, link and bushing.


I have not personally tried this conversion yet, but am considering it for a Para Ordnance I will be picking up shortly. A dealer did tell me that one of his customers tried it and blew up his gun. However, his experience with .400 Cor-Bon is very limited.

Any others out there who have tried the conversion and care to share the experience?
RickC is offline  
Old November 5, 1999, 01:01 AM   #3
Join Date: September 13, 1999
Posts: 95
There are numerous company making the .400
cor-bon barrel for the 1911 style pistol.

As for cost the ammo is more expensive and
harder to find than .45 ammo.

As for durability I've fitted a couple of
.400 barrel for customers and as long as
the barrel fits tight you should be alright.
Some of the barrels dropped in without any
fitting and some required minor fitting.
I've never had any guns blow on me but it
does beat the gun up more than a .45.
If you do this I'd recommend that you install
a shockbuff or other buffer to take some of
the extra punishment that the round gives
to the frame.

Another thing is that I'd stick to the 135gr
bullet as the 155 recoils a little more and
it seems to bang the gun more.

I have a Glock 21 that I installed a barrel
in and it is a flat shooting round with alot
more knockdown than the .45 and I haven't
many problems. Mostly feeding. I believe it
was because of slightly compressed mag
springs. Once I replaced the springs with
some Wolf springs it started to feed alot
better. None of the 1911's I did have this
problem so your gun shoud feed alright.

Woody is offline  
Old November 5, 1999, 08:53 PM   #4
Futo Inu
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Join Date: February 12, 1999
Location: Oklahoma City, OK, USA
Posts: 3,624
I wouldn't recommend converting any Glock to .400CB. Something about the mag spring pressure doesn't keep the noses of the rounds in the mags up, even with brand new Wolff +10s, and bingo, big feed problems - have tried both 21 and 30 mags. Haven't heard of any other types of pistols, 1911 or otherwise, that have this same problem - difference must be spring pressure positioning, or perhaps single stack keeps the noses up much better than double.
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