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Thread: pitted bore?

  1. #1
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    Default pitted bore?

    I have recently aquired an WWII rifle.
    It was my falut that I did not inspect bore throughly enough, but up on cleaning and degreasing, I've noticed that bore is pitted. But rifling is intact. and no obstruction in bore.

    Can gun with pitted bore shoot without an issue 0ther then possible poor accuracy?

    I bought it as a collecter. It really makes no difference even if I can't safely shoot it as i had no intention shooting it in the first place, but would bum me out if I can't shoot it if i chose to do so...

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  2. #2
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    Default Re: pitted bore?

    The crown and the rifling look good and that is where accuracy can really be affected. As far as the pitting, I also have a Garand with what appears to be one pit close to the bore muzzle, but it hasn't detracted from my accuracy one bit. From the pictures, it doesn't look all that bad. What mil-surplus rifle is it?

  3. #3
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    Default Re: pitted bore?

    Arisaka Type99. Nagoya 6th series rifle, a fairly early "transition" type.
    I bought it mainly due to intact mum.
    It won't make huge difference to me since I bought it as collecter - My Arisaka Type 38 Cavery rifle, which I had it for over 10 years, i've shot it 4 shots out of it.
    makes me feel bummed out, since everywhere else on the gun is in decent shape. Even perfect maching number.
    But if gun is too junk to shoot - whether I'm gonna shoot or not - suddenly makes it look like i paid too much you know?

    Bottom is the Type 99. Top is the Type 38 Cavery
    Last edited by Mity2; September 17th, 2007 at 12:22 PM.
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  4. #4
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    Default Re: pitted bore?

    ANyone else?
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    Default Re: pitted bore?

    I'd be more concerned with headspace. If HS is okay and the bore isn't obstructed, it should be okay to shoot. I still have a W.W.II M1911 >link< that's pitted worse than your rifle. It shoots -very- well.

    I had a Type 99 many years ago, looking for 7.7 Jap ammo or brass got old, fast. Since it was a last-ditch, I sold it. Shot okay, though.

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    Default Re: pitted bore?

    Clean the hell out of it and shoot it and see what you get.

    My buddy has a Mauser with a bore like a sewer pipe....decent enough accuracy at 100 yards 2-3 MOA..no keyholes.
    "Disperse you Rebels! Damn you! Throw down your Arms and Disperse!" British Major Pitcairn at Lexington April 19, 1775

    "Sometimes reasonable men must do unreasonable things" Marvin Heemeyer

  7. #7
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    Default Re: pitted bore?

    i figured since there is no obstruction, its okay to shoot. Rifling is still there, so i'm thinking Keyhole isn't gonna be an issue either.
    I thought because of pitting, properant pressure would leak around it, and projectile would get stuck.
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    Default Re: pitted bore?

    What type of "accuracy" are you looking from a WWII era weapon? If you want true accuracy go with Finn M39, Swiss K31, Swede 96.

    You could clean the heck out of the barrel to try minimize the pitting. Take it to a local smith and have him/her look at the rifle.

  9. #9
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    Default Re: pitted bore?

    Quote Originally Posted by aubie515 View Post
    What type of "accuracy" are you looking from a WWII era weapon?
    ? Accuracy of some WWII rifles were right up par with modern rifle.
    I've seen Type 99 sniper shoots ring around modern gun. As well as Mossin Nagant sniper.
    Probrem with most WWII rifle is the non free floating barrel. It shoots great, until barrel heats up. Then suddenly starts to shoot all over the place
    I expect well taken care of WWII type 99 rifle to shoot at least
    <3-4" @ 100yds on open sight. at least thats what my Type38 does. But bore on my 98 is spotless tho..
    like i said it Really it doesn't matter if it shoot great or shoot good. As long as it shoots okay. if not, makes me feel like i got crap deal.
    Last edited by Mity2; September 18th, 2007 at 05:29 PM.
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  10. #10
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    Default Re: pitted bore?

    You could try fire lapping the bore. It will smooth out some of the pits.

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