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9/22/2017 12:11:25 AM
Posted: 1/10/2006 2:56:54 AM EDT
[Last Edit: 1/10/2006 2:57:37 AM EDT by SavageSlackie]
curious to know if i buy a .40cal barrel and mag will i be able to shoot .40cal using a 10mm 1911 frame?


Link Posted: 1/10/2006 3:33:47 PM EDT
Yep the .40 S&W cartridge is shorter than the 10 mil,so you may have to take some mags(colt .45 will work)and file down the feed lips so the shorter 40 will jump quicker though!!

YMMV Bob
Link Posted: 1/10/2006 4:22:41 PM EDT
so a .40 S&W mag won't work in the frame? was hoping the mag and a new barrel would mate up correctly and i would have a .40 for a fraction the cost of a new gun.
Link Posted: 1/10/2006 9:35:04 PM EDT
[Last Edit: 1/10/2006 9:39:45 PM EDT by bobbyjack]

Originally Posted By SavageSlackie:
so a .40 S&W mag won't work in the frame? was hoping the mag and a new barrel would mate up correctly and i would have a .40 for a fraction the cost of a new gun.



No what I'm saying is that the mag you have for the 10 mil will fit in your pistol(your'e not changing out the lower are you? Yes just buy the 1911 barrel!!!

What I'm saying is that a .45 mag and a 10 mil mag are designed to hold a cartridge of the same lenght just different cal!!! You can put seven .45 cal in the mag,and eight 10 mil (or .40)in the same mag!!!

Do you have a .40 S&W mag or a 10 mil mag? Point is you don't have a .40S&W mag,you have a 10 mil mag!

So you may not have a problem useing the 10 mil mag with the shorter .40 shell!!!

I have had problems ,so I have modified the feed lips on some .45 mags!

Buy the new barrel,and you probably will not need return spring(the 10 mil and the .40 are close to power)!



I have a 10 mil,and bought an OLY .40 S&W NM barrel! I just put it in and went to work(only had to use 400 grade emory cloth to make it lock up nice and smooth!!

There is no drop in and play !

But yes a .40 S&W barrel will make your 10 mil into a very ordinary shooter!!!

Bob
Link Posted: 1/10/2006 9:53:25 PM EDT

Originally Posted By SavageSlackie:
so a .40 S&W mag won't work in the frame? was hoping the mag and a new barrel would mate up correctly and i would have a .40 for a fraction the cost of a new gun.



Well yes after misreading your post,but even though even if you can .40 cal mags for your unknown 1911(they would be very costly)!

Why not make or reconstruct ones yourself???


Bob
Link Posted: 1/11/2006 4:32:25 AM EDT
i'm looking through my brownells catalog and really contemplating the conversion.

thanks for the info. If i do it i'll just buy the barrel and another 10mm mag and redo the feed lips on the mag.
Link Posted: 1/11/2006 5:35:39 PM EDT
The Brownells catalog will list Metalform mags in .40 cal, these will work fine in any 1911 frame.

There is a spacer in the back to make up for the shorter .40 round.

Sometimes the 10mm magazines will work with the .40, YMMV. If you reload, you can seat the .40 bullet out further, say to 1.200", and 10mm mags will definitely work.

You will just need a new barrel & recoil spring. I use a 14lb for .40 & a Nowlin Delta Elite system in the 10mm.

Find some IPSC shooters in your area, they'll be able to tell you all you need to know about this. STI's & Para's in .40 dominate this sport.
Link Posted: 1/12/2006 4:30:10 PM EDT

Originally Posted By SavageSlackie:
i'm looking through my brownells catalog and really contemplating the conversion.

thanks for the info. If i do it i'll just buy the barrel and another 10mm mag and redo the feed lips on the mag.



P-dog has some good info,and be sure when ordering your new barrel that it comes with the locking link and pin,or you will just get the barrel!!!

Bob
Link Posted: 1/12/2006 5:33:14 PM EDT
thanks guys for all the info! any barrel you would recomend?

Link Posted: 1/12/2006 6:23:17 PM EDT
I've had no problems shooting .40s through a Colt Delta using 10mm mags. I've had great luck with both Colt and Tripp 10mm mags.
Link Posted: 1/12/2006 6:30:31 PM EDT
Everything should work like a charm, you might end up getting a lighter recoil spring.
Link Posted: 1/17/2006 8:34:44 PM EDT
Originally Posted By SavageSlackie:
thanks guys for all the info! any barrel you would recomend?

[/quot

I have an Oly Arms .40 NM stainless barrell!

Don't care so much for Oly arms,but they make great barrels!!!


Bob
Link Posted: 1/21/2006 5:28:36 AM EDT
I am another who has put about 50 rounds of 40 S&W through my Delta Gold Cup using the Cold 10mm magazines. (I don't recommend this, just wanted to see if it was viable in an emergency)

I doubt if you really need a special magazine with a spacer. Start off with what you have on hand.

If you have feeding problems, you know where to go.
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