45ACP to 9mm

XLR8

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I have a 1911 style pistol in 45 ACP. I would like to convert it to shoot 9mm. I'm not sure what is involved in doing so or who in the GTA can do it and what it would cost. Any help would be great.
 
I have a 1911 style pistol in 45 ACP. I would like to convert it to shoot 9mm. I'm not sure what is involved in doing so or who in the GTA can do it and what it would cost. Any help would be great.

I am guessing by the time you buy a new barrel and bushing, pay the gunsmith to fit them (if it is even possible) you will be within range or exceed the price of a new norinco np29 9mm 1911
 
simple answer, you need a new top end (different breech face slide, extractor, barrel, firing pin) and a new ejector. Ask a gunsmith for an estimate, as it will vary on the quality of components used.
 
It's a matter of putting together a second top end:
Complete slide
Complete barrel
Bushing
Guide rod
Recoil spring
Plug

and possibly a second slide stop.

I have one with three tops: 45ACP, 40S&W and 9mm.
They all work fine with the same ejector on the frame.
The 9mm requires a different slide stop while the 40 and 45 use the same one. (This only matters if you care whether or not the slide locks back on an empty mag)

Speaking of mags, you'll need those too.

I have no idea what's required in the area of fitting the new top end to your frame and whether or not it would be more expensive than a whole new gun.

A couple of advantages are:
Your grip, feel and trigger will be the same.
You only have one gun to register, acquire an ATT for, lock up, etc.
If you use a full length guide rod the whole package can be kept assembled in one neat unit when the 45 top is in use.
 
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I have 2 identical STI guns, one in 45 and the other in 9mm and the slides are not swappable. The ejector and slidestop are not identical. Same thing with my Marvel .22 kit, perfect on the 45ACP, doesn't fit on the 9mm as is.
 
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