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DTOM
02-18-2020, 11:11 AM
I just got an "Italian" Garand. Basically it's a .308 Garand, shorter wood, .308 barrel. The person I got it from had a new barrel installed. While at the "gunsmith's" the new barrel was reamed for 30-06, by accident, mistake, stupidity (?) Anyway the deed is done, what do I do now ? I have a new .308 barrel I can have installed (this time by a competent gunsmith) or is it safe to shoot 30-06 in it as it is now or will there be cycling or other problems ?

Thanks, Trying to make a silk purse out of this thing. If more info is needed, I'll check things out when I get home.

Eli
02-19-2020, 09:17 AM
My understanding is there is a 'ring' left in the chamber when this is done... bad 'gunsmiths' are everywhere!

Eli

Bob W
02-19-2020, 02:44 PM
My first question would be is the headspace correct for 30-06? And then barrel profile (I'm looking at a 30-06 barrel vs a .308 barrel here, and there doesn't seem to be enough difference in the taper that the .388" difference in the two cartridge shoulder depths would encroach into any required thickness surrounding the chamber- pressures being close at 58 vs 60)
I am not a gunsmith, but I do subscribe to those famous redneck last words...... "Hey y'all, WATCH THIS!"
The other one I like is.... "Hey, HOLD MY BEER!"

Maybe Mr Shufflin has tested an old .308 rechambered in 30-06 ???????

DTOM
02-19-2020, 02:58 PM
Bob,

I'll have to check the headspace. This is what the previous owner said (He hasn't fired it because of the ream job.)

The only thing I wasn't 100% sure about was the bore. I pretty sure the Italian 7.62X51 barrels were chrome lined. the guy that reamed it out said it was a pain to do. The thing I wondered about was if the chrome would flake after being fired because it had been chipped away.
I wasn't real happy with the guy that installed it. I think he used the old barrel to model it off of. The throat erosion is probably a 4 or 5.....I think that's how worn the old one was.

So............Â… I'll probably use both phrases at once and add "what's the worst could happen?" and see how it turns out, Darwin Award ?

All seriousness aside, I will probably just re-barrel it, unless I'm 100% sure it's safe.

Bob W
02-19-2020, 03:31 PM
Hey Eli- Would the "ring" you're talking about be the difference between the .4539" case diameter at the shoulder of the .308 and the taper to the .4413" same dim of the 30-06? Would'nt the 30-06 cartridge case then expand when fired? Both start at .471" at the rim, but the .308 drops over 1.55", where the 30-06 drops over1.95" to the smaller dia. I guess that's a pretty good difference in taper, no?

Eli
02-20-2020, 11:09 AM
Italian barrels are plain high-grade steel.
The 'ring' is in the middle of the chamber, and will cause extraction issues. It may be visible.
How drunk was the 'gunsmith' to not realize his '06 chamber reamer was 1/2" from home?

Eli

Bob W
02-20-2020, 12:53 PM
Pretty drunk- That's what I was asking about the headspace- if the bolt would even close (.4 diff). So even if the chamber was deep enough it makes sense that the brass swelling .0126 in an uneven taper would hang up.

timshufflin
02-26-2020, 05:57 AM
I guess I do not understand. Do you all know what it would take to ream a .308 to a 30/06 with a pull through finish reamer? I think I’d be reaming for 20 to 40 minutes. Doesn’t sound like a mistake. .308 is roughly .010 wider in diameter then 30/06 so, as Eli said, you’ll get a ringed case. New barrel time because nobody knows squat about the specs of the chamber that was done.

timshufflin
02-26-2020, 06:01 AM
The ring will not cause extraction issues. I once reamed a 30/06 barrel with a .308 reamer and did about .3” in before I realized it. I got the ring, stopped, got right reamer, finished, shot it, cool rings on cases, scrapped. Technically, if shooting new brass, it would have been fine. I shot it a bunch as my barrel.

DTOM
02-26-2020, 12:56 PM
I guess I do not understand. Do you all know what it would take to ream a .308 to a 30/06 with a pull through finish reamer? I think I’d be reaming for 20 to 40 minutes. Doesn’t sound like a mistake. .308 is roughly .010 wider in diameter then 30/06 so, as Eli said, you’ll get a ringed case. New barrel time because nobody knows squat about the specs of the chamber that was done.

If you're willing, I'll pack it up along with a new .308 barrel and the stripped bolt and have you do the barrel swap.

Sounds like the safest way to go.

timshufflin
02-26-2020, 01:00 PM
If you're willing, I'll pack it up along with a new .308 barrel and the stripped bolt and have you do the barrel swap.

Sounds like the safest way to go.

Yah just go to my order page and follow the instructions. If you have any questions give me a call.

blfuller
03-03-2020, 09:48 PM
So the "gunsmith" that did this isn't going to compensate you for his screw up?

DTOM
03-04-2020, 07:29 AM
Unfortunately, this happened about 10 years ago and I was not the one it happened to. You can bet he lost some business over it tho. I just get to sort it out (with Tim's help).

jason60chev
03-10-2020, 04:48 AM
I think that Sarco still has the SIAU barrels in 7.62 Nato. Think they run about $145. Could install one of those and make a Tipo-2. I assembled one of these a couple of years ago.

DTOM
03-10-2020, 08:24 AM
Sent it in to Tim for re-barrel along with a replacement.

Thanks for all the replies.

DTOM
06-18-2020, 06:03 AM
Got the parts back from Tim. Everything looks great, now just have to cobble it back together.