10-22-2016, 15:02
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#1
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Area Commander
Join Date: Feb 2004
Location: The Black Hills of SD
Posts: 5,944
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Question for the Bravos ....
Now don't all stampede over yourselves answering this question .. "Oh, I know, I know, I know !!!!", so here goes ....
Have a friend who found an M1 Garand for a nice price, but it's a .308
I told him to get it, but if he does, we wouldn't be able to share clips (mine's a 30.06)
He said that, that shouldn't be a problem. That a 30.06 should be able to fire down a .308.
Now I'm only a medic and don't really know bang-bang stuff, but with my limited thinking on this, I would think that it wouldn't be possible. The .308 if fired down a 30.06 would be too big and get stuck, causing a "weapon malfunction", where as a 30.06 fired down a .308 would be too loose and not fly straight and narrow.
So, answer away. Is it possible to fire the different calibers down the different weapons, or is it a recipe for disaster?
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Sdiver is offline
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10-22-2016, 15:23
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#2
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Quiet Professional
Join Date: Sep 2009
Posts: 193
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.308 (7.62mmX51mm)
30.06 (7.62mmX64mm)
Both are .30 cals. 30.06 gets its name because it's .30cal and it was made it 1906, hence the "06".
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Bettendorf is offline
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10-22-2016, 22:47
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#3
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Quiet Professional
Join Date: Dec 2008
Location: Southern Mo
Posts: 1,541
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Same bullet, 30-06 has much longer brass.
No workie
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craigepo is offline
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10-22-2016, 23:09
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#4
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Guerrilla
Join Date: Apr 2012
Location: Ft. Polk
Posts: 264
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The En Bloc clips can be interchanged, the cartridges can't...IIRC the .30-06 is the parent case of the .308.
I'm away from my Garand, though I wouldn't try feeding a 308 into a 30-06.
It's best to use hard primers or mil-surp ammo in Garands, they can sometimes set off commercial ammo when driving the round into the chamber. I've heard of out of battery accidents and shooting in auto due to inappropriate ammo.
Some manufacturers make ammo for the M1/M1A rifles due to that issue.
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Toaster is offline
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10-23-2016, 04:49
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#5
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Quiet Professional
Join Date: Apr 2008
Location: 18 yrs upstate NY, 30 yrs South Florida, 20 yrs Conch Republic, now chasing G-Kids in NOVA & UK
Posts: 11,901
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Size matters..
The 30.06 is longer. There is little change that the properly loaded cartridge will load into the ammo well, let alone the chamber.
Here is the story about conversion of the 30.06 rifles to 7.62 for the Navy..
https://www.americanrifleman.org/art...garand-rifles/
If your friend's rifle is one of the converted rifles,, it is a collector and should not be diddled with. Read the fine print,, they used chamber sleeves to accommodate the shorter 7.62, changed the slide follower-bullet guide, and altered the gas post.
If your friends rifle has Italian markings, it may have been re-engineered by Beretta.
Nice find in either case..
Size comparisons:
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JJ_BPK is offline
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10-23-2016, 09:33
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#6
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Quiet Professional
Join Date: Jan 2004
Location: Free Pineland
Posts: 24,811
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Quote:
Originally Posted by Toaster
The En Bloc clips can be interchanged, the cartridges can't...IIRC the .30-06 is the parent case of the .308.
I'm away from my Garand, though I wouldn't try feeding a 308 into a 30-06.
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Correct.
The bullets are exactly the same, but the .308 case (7.62x51mm) is a different length than the .30-'06 (7.62x63mm).
The .30-'06 will not chamber in a .308 rifle and it is unsafe to try to fire a .308 in a rifle chambered for .30-'06.
IIRC, the en-bloc clips are the same as they depend on case diameter to load.
The modern .308 conversions use a barrel chambered for .308 (or 7.62x51, depending on the reamer), the old Navy conversions generally used a chamber insert which would occasionally eject with the fired case.
Hope that helps.
TR
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The Reaper is offline
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10-23-2016, 13:50
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#7
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Area Commander
Join Date: Feb 2004
Location: The Black Hills of SD
Posts: 5,944
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Thanks all for the responses.
I'll pass along the info.
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Sdiver is offline
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