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they will screw right on, however the front site is different, (one peice w/ blade, vs 2 pc and blade) and of course, no rear sight mounted to the barrel,

you could do a mod to the barrel and mount the 03 rear sleeve to an A3 barrel, but you would have to make sure it lined up correctly,
 

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Discussion Starter · #3 ·
Thanks. The reason I ask is my rifle was through a rebuild at some point, and the barrel is in bad condition so I"m looking to replace it. The date on it is 44, and I was hoping that by that time in the War that all Springfield barrels were interchangable.
So it looks like that if I want to replace the barrel, I need to find a 1903 to use, not a 1903A3?
 

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You can fit a M1903A3 barrel on a M1903 receiver. However, the exact "fit" is different and it does require some minor gunsmithing. I do see High Standard and Springfield 1942 barrels for sale on a regular basis. They are a little more expensive than a M1903A3, but not excessively so.
 

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Assuming you have a new 03A3 unfitted barrel it will most likely need to have the headspaced qualified as retrofit barrels were short chambered about .010" taking into consideration they were going on perhaps well used receivers. So yours may headspace just fine. If anything it should be too tight and I rather doubt it will be too loose.

I have seen them screwed on and shot. Later checked and found to not even start to close on a GO gage. Bolt was a little snug on closing and worked just fine with new unfired ammo. Bolts opened and extracted as normal. With previously fired ammo it won't size down enough with FL dies to close unless you trim off base of die on lathe. Brass life is extended for sure.
 

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Discussion Starter · #6 ·
I know where I can lay my hands on a 1903A3 barrel thats never been on a rifle. I also know Sarco sells 1903 barrels for $175.

What would you guys recommend? If you have another source for these, or a website that explains the differences between barrels that would be most helpful.

Aside from the barrel on my rifle being very worn, the rifle is in excellent condition, and with a new, or like new barrel, should be one hell of a shooter.
 

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Sarco 03 barrel are repro's or 03A3 barrels fitted with a 03 rearsight base.
Their 4 grove barrels are 2- recut to 4 groove.
 

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Yeah SARCO must have brought a truck load of them as I remember when they sold them by the case (10) for 100.00. No telling how many they have. It got them from DCM for .98 and then they started ripping us off and went to $1.02. I think I have two left with one still in cosmo. I remember shooting with a guy at Perry who shot 03 and he said he had a couple cases laid it. He was 70+ thirty five years ago.
 

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Discussion Starter · #9 · (Edited)
Good info.

Ok, the gunsmith I"m using to do the work is very good, and specializes in 03s, as well as Garands.If he uses an A303 barrel thats new, and takes both sights off of my original, this should work then?

Unless someone can point me in direction of a excellent/new condition original regular 03 barrel, this is looking like my only option.
 

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yes you should be good to go. Ask him if he ever polished receiver area and found a cracked one.

If you care for the barrel and clean it often and very well you should get 15,000 rounds out of it. The secret is clean it while it is hot. Clean often while shooting. About every 15 shots while hot and you can just keep on shooting it.

If you reload try 55 gr. 4831 or MR3100 with 168s.

My personal opinion is I would ask him to headspace it so it snugs on a GO gage.
 

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Discussion Starter · #11 ·
Another question, I have an inspector mark (?) on the left side of the stock with the initials JF. What is this mark?
 
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