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Re-barreling the M1903A3 Rifle in .308 Winchester
Am Shooting Journal ^ | 3/12/20 | F Jardim

Posted on 03/12/2020 10:09:45 AM PDT by w1n1

click here to read article


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1 posted on 03/12/2020 10:09:46 AM PDT by w1n1
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To: w1n1

FINALLY, a post that is not about the “virus”. Thanks


2 posted on 03/12/2020 10:11:19 AM PDT by eartick (Stupidity is expecting the government that broke itself to go out and fix itself. Texan for TEXIT!)
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To: eartick
Why rebarrel?? Is the original barrel infected??

Sorry.. couldn’t resist.
3 posted on 03/12/2020 10:13:35 AM PDT by LIConFem (I will no longer accept the things I cannot change. it's time to change the things I cannot accept)
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To: w1n1

Why was it rebarreled and why the 308?


4 posted on 03/12/2020 10:18:25 AM PDT by Dusty Road (")
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To: w1n1
Thanks for the great article. I am going to check with Criterion on a 22-250 barrel for one of my older rifles. I am pretty sure it is shot out and I need to replace.

Used to be a tack driver but alas it is starting to wonder around.

5 posted on 03/12/2020 10:20:44 AM PDT by eartick (Stupidity is expecting the government that broke itself to go out and fix itself. Texan for TEXIT!)
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To: Dusty Road

Some of the originals have two groove rifling. For the newbie it looks like the bore is shot out. You have to have a barrel gauge to check amount of wear, or stick a live round bullet first in the discharge end of the barrel. It it stops before the case touched the muzzle you’re probably good. If the bullet goes in until the case hits the muzzle then it’s shot out.


6 posted on 03/12/2020 10:23:11 AM PDT by 9422WMR
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To: Dusty Road

Why rebarreled? Presumably it was because it was a “deactivated war trophy” which usually means the barrel is welded closed.

Why .308? Ammunition costs and availability, especially military surplus 7.62 NATO, makes it more economical to shoot than the original .30-06 chambering.


7 posted on 03/12/2020 10:23:28 AM PDT by Yo-Yo ( is the /sarc tag really necessary?)
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To: eartick

It’s the “AM Shitting Urinal” virus.


8 posted on 03/12/2020 10:25:00 AM PDT by real saxophonist (Norovirus survivor; Hey Coronavirus - Bring it!)
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To: w1n1

No thanks...I’ll leave mine a 30 06.


9 posted on 03/12/2020 10:25:44 AM PDT by Bonemaker (invictus maneo)
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To: w1n1

I had a 1917 Enfield which had a rusted and/or shot out barrel. I had a gunsmith in Pensacola rebarrel it in the same caliber.

When I went to pick it up, the smith apologized saying it was not very accurate tho the headspace etc. was perfect.

When I got it home, it consistently shot very small groups.I have no idea what the gunsmith was shooting.


10 posted on 03/12/2020 10:40:49 AM PDT by yarddog ( For I am persuaded.)
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To: LIConFem

Gotta agree, and if it’s shot out and needs rebarreling...keep it in 30-06. The long bolt throw may cause feeding issues with a shorter cartridge.


11 posted on 03/12/2020 10:52:21 AM PDT by magyars4 (To sin by silence when they should protest makes cowards of men!)
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To: LIConFem

Exactly, Rechamber.


12 posted on 03/12/2020 11:00:57 AM PDT by mylife (The Roar Of The Masses Could Be Farts)
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To: w1n1
Oh, Good God! Keep that rifle in its original condition unless the barrel is shot out. They are quite valuable. They are also really accurate and hard hitting.

I bought an 03A3 for $125 in something like 1980. It had been appraised at $1400. If you want a .308, buy a new one. Don't destroy an important artifact.

13 posted on 03/12/2020 11:01:41 AM PDT by GingisK
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To: Dusty Road

The article mentioned “deactivated war trophy.” I guess the government screwed up the barrel before selling it on the civilian market or it had been shot out. In the Washington High School cadets, we marched with 1903 Springfields that had the firing pins removed. In army basic, I was issued a M1 Garand that had been shot out. The bore was like a mirror; no trace of rifling. It had some other problems, but at least fired.


14 posted on 03/12/2020 11:06:21 AM PDT by Hiddigeigei ("Talk sense to a fool and he calls you foolish," said Dionysus - Euripides)
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To: GingisK

I had my 4/43 03A3 rebarreled with a original GI new barrel
dated 9/43 I bought on Gunbroker. Hope that didn’t ruin its collectibility.


15 posted on 03/12/2020 11:07:27 AM PDT by RitchieAprile (available monkeys looking for the change..)
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To: RitchieAprile

Nah, the new one was GI of the same vintage. Besides, I won’t let anybody have mine, so is collector’s value is not an issue. I will have trouble fitting everything into my mausoleum.


16 posted on 03/12/2020 11:17:50 AM PDT by GingisK
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To: LIConFem

As a CMP Drill Rifle, It was demilled- the chamber welded, barrel tac welded to the receiver, the mag cut off welded, the bolt face welded and the FP cut off- IOW , a nonfiring rifle.

I did not read the whole article, but it actually restoring a demilled CMP drill rifle is a bit more detailed than a simple rebarrel. New bolt at minimum, after carefully milling away the mag cut-off/bolt stop and re drilling/tapping for a new set of parts, and that’s just to be able to pull the old welded bolt....

Not sure why going to a 308, but hey, its his rifle.


17 posted on 03/12/2020 12:02:15 PM PDT by Manly Warrior (US ARMY (Ret), "No Free Lunches for the Dogs of War")
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To: eartick

Have you tried to really clean the bore to remove all copper fouling? Also, might want to check the stock bedding.


18 posted on 03/12/2020 1:23:58 PM PDT by Sparticus (Primary the Tuesday group!)
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To: w1n1

The first rifle larger than a .22 I ever shot was a M1903. I don’t remember the revision. I do remember that at about 12 or 13 it kicked like a mule.


19 posted on 03/12/2020 2:20:15 PM PDT by Dutch Boy
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To: yarddog

I can’t figure out what rifles want, much less women. Some mysteries are never to be solved, just enjoyed.


20 posted on 03/12/2020 2:52:42 PM PDT by Tijeras_Slim
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