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Thread: Burr in rifled barrel

  1. #1
    Boolit Buddy
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    Burr in rifled barrel

    Recently purchased a Smith Carbine Pietta. I have discovered a burr on top of one of the lands. When I slugged the barrel from breech to muzzle i knew it wasn't correct. So I slugged another part way from muzzle down and then drove it back out, no issues. I put a bore scope down it and sure looks like it, I could feel the camera catch on it also.

    Wondering what the best method is to remove beside bore paste and elbow grease.
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  2. #2
    Boolit Master
    JWFilips's Avatar
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    I would shoot it first and see how it does . I have a rebore 358 Win that has an issue 2/3 up the barrel ( looks like the cutter jumped ) Drove me nutz at first until I shot it with cast ....It is very accurate! I can't use super light bullets in it like 120 gr but everything else it is a tack driver! I spent hours trying to iron it out .....Total waste of time
    Try it first and don't worry
    " Associate with men of good quality, if you esteem your own reputation: for it is better to be alone than in bad company. " George Washington

  3. #3
    Boolit Master pietro's Avatar
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    .

    +1

    When the bullet reaches the muzzle (the good portion of the bore) that section of the bore should smooth out any inconsistency in the bullet that the rough spot causes.


    .
    Experience is a wonderful thing - It lets you recognize a mistake, when you make it again.

  4. #4
    Boolit Buddy
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    sounds like good advice!

  5. #5
    Boolit Grand Master

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    Shoot some rounds thru it, cleaning every 1-3 rounds. I would also start with lighter loads. Bet it smooths out.

  6. #6
    Boolit Master
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    The whole bore looks pretty rough to me ....lots of radial cuts from drlling ,most likely,and no finish reaming.....the burr may be a hard spot in the steel....I assume its a previously owned gun,still a pretty poor show.

  7. #7
    Boolit Master
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    I think if it were mine I would be collecting some fire lapping materials. Sorry for your pain, I would think many here know the feeling also.

  8. #8
    Boolit Buddy
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    Lap it.

  9. #9
    Boolit Grand Master

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    Before lapping or fire lapping I would recommend slugging it as best you can to see what you are working with. If its a tight bore good if its large already you van only Lapp it bigger not smaller.

  10. #10
    Boolit Buddy
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    If it's not sticking out, and is a small concave area, I wouldn't worry about it.

  11. #11
    Boolit Master
    JSnover's Avatar
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    Quote Originally Posted by reivertom View Post
    If it's not sticking out, and is a small concave area, I wouldn't worry about it.
    Me neither. See how it shoots, it may not need any work at all.
    Warning: I know Judo. If you force me to prove it I'll shoot you.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check