3D printed 308 Win shotshells?

steelgray

steelgray

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Ottawa Valley - Ontario
In lots of provinces you can only carry one gun during dear season - and you aren't allowed to shoot a partridge with a centerfire rifle cartridge. If you want to shoot the occasional partridge while on a deer hunt your options are few. You could carry a combo gun but you are limited to one rifle shot if you see a running deer - not ideal.

However, if there was such a thing as a 308 Win shotshell - and you had a bolt action - then, when you saw a partridge on the ground you could eject the rifle cartridge from the chamber, single load a 308 shotshell and take the bird.

The 308 shotshell would have to be plastic with the external contours of a 308 Win and would have to have straight 30 cal walls inside. The base would have to take a 209 primer and you'd have to come-up with a 30 cal wad - maybe one having the form of a capsule, containing small bird shot pellets.

I suppose that the 308 Win shotshell body and the wads could be 3D printed. Possibly, the wad/ pellet capsule could have rifling which is the opposite twist to that of the gun it was being shot from - so that the twist imparted by the gun's rifling could be somewhat negated by the opposite twist of the rifling of the wad/ shot capsule.

Lots of work for the sake of picking up a few partridge on a deer hunt. Seems like it might work though. What do you think?
 
Why not use a brass 308 case with a LRP in it? Load some titegroup or somthing in there put a wad or some jammed up TP then measure the length of case left from the wad to the shoulder. Cut some cardboard that length and roll it up, slide it in the case and make sure it unravles so the inner core can hold some round balls. Then load 3 or 4 30 cal balls and go shooting

I believe the wording says you cant hunt birds with a "single projectile" in some provinces. (Nova Scotia is at least one example of this wording)

In the provinces you can shoot birds with a single projectile you can just load a single 30cal ball in a 308 case with some pistol/shotgun powder using a normal primer pushing it at 1000fps
 
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I am sure that i read that old time US Army had issued "foraging loads" to their troopers with the single shot 45-70 - so likely like a .410 - except for that rifling - which apparently resulted in a "torrid" shaped pattern. So the rifling thing would have to be dealt with, if you intended to try using shot.

Your other points are maybe assumptions - I doubt many deer that I took were standing still - and a great number were taken with Ruger No. 1 - so maybe learn to hit a moving target with a rifle?? I think is Sweden and possibly some other countries that require you to hit a moving target, as part of the testing in order to get a hunting licence? When I was young, my Dad would have kicked my butt good if I took a shot at a grouse or coyote or whatever when we were deer hunting - might all be different today or in other areas.
 
Potashminer said:
I am sure that i read that old time US Army had issued "foraging loads" to their troopers with the single shot 45-70 - so likely like a .410 - except for that rifling - which apparently resulted in a "torrid" shaped pattern. So the rifling thing would have to be dealt with, if you intended to try using shot.

Your other points are maybe assumptions - I doubt many deer that I took were standing still - and a great number were taken with Ruger No. 1 - so maybe learn to hit a moving target with a rifle?? I think is Sweden and possibly some other countries that require you to hit a moving target, as part of the testing in order to get a hunting licence? When I was young, my Dad would have kicked my butt good if I took a shot at a grouse or coyote or whatever when we were deer hunting - might all be different today or in other areas.
Click to expand...

For a while I hunted with a Valmet double rifle in 30-06. In the mornings and evenings - when you are likely to see deer - I'd have both barrels loaded for deer with 30-06 rounds. I hunt in the woods and a follow-up shot is very valuable to me. However, during the midday I'd sub a 32ACP into one of my barrels - using an MCA sports 30-06 to 32 ACP caliber adapter. I took lots of partridge that way.

Your dad would have been okay with this because 32 ACP, running down a 26 inch barrel (in a Valmet 412S) comes out almost silently but still kills a partridge - and they shot very accurately for 20 yards or so. I sold the gun but not before taking running buck and a black bear with it ... and all those partridge.
 
The 308 shotshell would have to be plastic with the external contours of a 308 Win and would have to have straight 30 cal walls inside. The base would have to take a 209 primer and you'd have to come-up with a 30 cal wad - maybe one having the form of a capsule, containing small bird shot pellets.

Why does it have to be plastic and why would it have to use a 209 primer?
 
I would make subsonic loads with Trailboss powder and carry a few of them for grouse. But this is BC and you can carry as many guns as you want foir deer and upland hunting, and you can use single projectiles on grouse.
 
Battle Rat said:
The 308 shotshell would have to be plastic with the external contours of a 308 Win and would have to have straight 30 cal walls inside. The base would have to take a 209 primer and you'd have to come-up with a 30 cal wad - maybe one having the form of a capsule, containing small bird shot pellets.

Why does it have to be plastic and why would it have to use a 209 primer?
Click to expand...

Actually, I think a person might be able to mill or drill out a 30 cal straight walled section into a good quality all aluminium snap cap and bore through the head to receive a large pistol primer primer or a 209 cheddite primer - and even use some conventional material for the wad, etc. As long as the pressure was kept down that way would probably work too. Its just that everyone is in to 3D printing these days.
 
Note, at least for BC, in the Hunting and Trapping Regs:
Shotgun OK for all upland game birds
Rimfire OK for Grouse, Ptarmigan, or Turkey
Centerfire OK for Grouse or Ptarmigan

But, I know each province has it's own regs and maybe that's why the OP is asking?
 
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