9mm Long options

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Talquin

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I figured the milsurp section may be able to help me more than the pistol section.

I have been toying with the idea of getting one of the Swede pistols (I think its a 1907 model)in 9mm Long. The first option for shooting this pistol is taking .38 auto and cutting the brass down and using 9mm dies that are backed off to seat the bullet.

Now does anyone have a idea on possible options for getting the pistol to shoot a currently made and manufactured ammo?

On paper the idea of having the chamber lengthened to shoot 38acp seems like a possible idea but I am sure someone could think of something better.

Thanks for your ideas and help.
 
.38 Super brass cut down to 20mm is better.

The gun itself is designed for semi rimmed cartridges which is very similar to the rim of a .38 Super round.
 
I use .38 Super brass in mine trimmed to 20mm. I load using regular 9mm Para projectiles and .380ACP load data - works like a charm. I use regular 9mm Para dies.
 
I did up several hundred for a friend, used .38 Super brass and trimmed it, seated the slug as to factory specs and coned the case very slightly over the ogive.

Worked perfectly, not a bobble.

Super IS the perfect match; the original round IS semi-rimmed.

You could probably pop in a chamber insert, use .380 ACP and take a chance on feeding. It isn't long enough, it isn't powerful enough, it would not be doing justice to a fine old pistol, likely it would not be accurate enough, but it would work, sort of. Trimming Super is MUCH better.

Have fun!
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Probably redundant, but I have to say it anyways. If you rechamber to 38 ACP, load to .380 pressures (or 9 x 20 if you can find data). It's an unlocked breech so it can't take actual .38 ACP pressures.

It's tough to find, but if you can track down some Swedish surplus 9 x 20 it shoots beautifully in my Browning 1903.
 
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