32-20 in 310 Cadet

WhelanLad

WhelanLad

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Sounds silly, i mean my 303 didnt shoot 308s a pinch of ####, 308 V 311-312. let alone a .323 and a .310 working BUT i read this on Wikipedia, where everything must be true.

So whos done this an what was ya experiences?
i think finding .310 cadet ammo in AU is difficult, reloading only maybe? but 32-20 is achevable ......

i have an ol cadet i wanna shoot, but not super stressed on it...........
my pops Hornet has issues. so no plinking with it. maybe the cadet be cool to plink cast?
 
No experience but a Martini Cadet is on my wish list.

They were sold over here reamed to 32-20 and 32 Special, I doubt either is ideal.
 
If there's anywhere that 310 cadet stuff is available it should be in Oz. That's where they were most common as I understand the history.

When you are reloading you get 32-20 brass, trim it down, expand the neck and use a bullet the right size.

There's lots more detail but that needs to be sorted to the specific rifle. Make sure the chamber hasn't been modified and how long is the trim length. They varied some. See if 32-20 rims will fit as is or will they need to be thinned. (Starline is the thinnest but might still be too thick.) Drive a slug through the bore and see what size it actually is. This varied also.

Might be able to use 30 carbine dies if it's really tight. Or maybe 32-20 or 32 H&R or might need to source 310 dies. 8mm French ordinance revolver work with about a 329" bullet so that might be a good fit for an oversized bore.
Then there's figuring out how to crimp a heeled bullet if you have to go that route.

It's all doable and there are resources out there for all this but it takes some digging.
 
vagrantviking said:
If there's anywhere that 310 cadet stuff is available it should be in Oz. That's where they were most common as I understand the history.

When you are reloading you get 32-20 brass, trim it down, expand the neck and use a bullet the right size.

There's lots more detail but that needs to be sorted to the specific rifle. Make sure the chamber hasn't been modified and how long is the trim length. They varied some. See if 32-20 rims will fit as is or will they need to be thinned. (Starline is the thinnest but might still be too thick.) Drive a slug through the bore and see what size it actually is. This varied also.

Might be able to use 30 carbine dies if it's really tight. Or maybe 32-20 or 32 H&R or might need to source 310 dies. 8mm French ordinance revolver work with about a 329" bullet so that might be a good fit for an oversized bore.
Then there's figuring out how to crimp a heeled bullet if you have to go that route.

It's all doable and there are resources out there for all this but it takes some digging.
Click to expand...

shiiiiiiiiiiiiiiiiiiiit son!
doesnt sound simple thats for sure, I dont even think it sounds like i could be bothered with that!!

thanks for the info though, it paints a clear picture.
il see for a couple stray 310 cadet rounds in the long run an it can stay in the safe an gather a bit more nostalgia
 
not sure how good running a 32-20 into the 310 cadet chamber as the 32-20 bullet is .310 and the grove on my 310 cadet is .322 I think .Had to get a heeled bullet mold to get a group as 32-20 ammo gave me a pattern.
 
When I was young and stupid, a friend of mine had a .310 Martini and no ammunition. We found that .32 S&W long would chamber and fire. I can't remember what the accuracy (if any) was like, but I do remember the fired cases were rather bulged. No ruptures, though.
 
Another option is having the barrel relined to 32-20. I have one done this way. It is Australian marked on metal and stock. I wouldn’t mind having one in the original 310 cadet. Brass and dies are available so it doesn’t have sit unused. I never let it bother me that something was obsolete as I have enough stuff here I can make something that works.
 
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