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AR15.COM
5/10/2008 9:34:06 PM EDT
If you take a basic .45 frame, can it be converted to 9mm by doing the following?

1) Mill Frame for Ramped Barrel

2) Install a 9mm Ejector

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Obviously a new 9mm slide would have to be fitted, etc.

Thanks.
5/10/2008 10:47:26 PM EDT
[#1]
If you want to install a regular 9mm barrel, all you need to do is change the ejector.

Milling for a ramped barrel is optional - non-ramped barrels are more common.

This is the same for conversions to .40, .38 Super, 10mm, etc.  The only change on the frame side is the ejector (and appropriate mags, of course).
5/11/2008 8:18:47 AM EDT
[#2]
Caspian's website shows the difference in feedramps between the two types of frames (9mm vs .45 acp). Have you done this type of conversion before personally? I am not sure why there would be a structural difference in the built in feedramps if all you had to do was change ejectors.

Not trying to be difficult. I just want to be sure. Thanks.
5/11/2008 3:54:39 PM EDT
[#3]
Yes, Machine frame for ramped barrel. Don't do the conversion if you are not going to go with a ramped barrel. change ejector. If government model use a 15 pound spring and of course use the correct magazine. How did that beretta sneak in there!
.
5/11/2008 3:56:07 PM EDT
[#4]
Ramped Barrel will give you better feeding with a wider range of bullets.

5/11/2008 7:49:06 PM EDT
[#5]
Thanks guys. That is what I thought. Good info.
5/12/2008 9:28:48 AM EDT
[#6]
Anything but a .45 really needs a ramped barrel.

ranburr
5/12/2008 10:34:35 AM EDT
[#7]
do springfield loaded 9mm's come with a ramped barrel?
5/12/2008 11:25:15 AM EDT
[#8]
Yes.

ranburr
5/12/2008 12:38:13 PM EDT
[#9]

Quoted:
Anything but a .45 really needs a ramped barrel.

ranburr


A++
5/14/2008 5:53:13 PM EDT
[#10]
My 9x23mm does not require a ramped barrel.  I have put together some pretty stout loads in 9x23 Winchester cases, with out any problems.

This is with Winchester brass, which is thicker.  A ramped barrel might be appropriate for the Starline brass, and in other calibers as well, if pushing the envelope.

Totally unnecessary for 9x23mm Winchester brass.