Dark Bore???

Discussion in 'The Ask the Pros & What's It Worth? Forum' started by qajaq, Mar 23, 2006.

  1. qajaq

    qajaq New Member

    Mar 22, 2006
    I am thinking of buying a Russian M44 carbine, cal. 7.62x54R from a vendor that I have used before with no problems. My buddy who is also buying one called and asked what kind of shape the bores were in and the vendor said if he shown a light in there that it would be "dark", but the rifling was fine.

    Can someone define"dark" for me? And would that mean it would never be a decent shooter?

    My experience with military rifles is confined to only the K31 and that was in great shape.
    Thanks Qajaq
  2. 22WRF

    22WRF Well-Known Member

    May 10, 2004
    The dark bore come from corrosive ammo.
    This condition is very common in MilSup rifles.
    Sometimes they will clean up after a period of time shooting with non-corrosive ammo and lots of scrubbing.
    Even if it remains dark it won't affect the accuracy as long as the rifling is good.

    That said I wouldn't buy a M44 with a dark bore just because the are too many cheap ones around with bright shiney bores
    Last edited: Mar 25, 2006

  3. polishshooter

    polishshooter Well-Known Member

    Mar 25, 2001
    Yeah, but "dark" bores can come from many sources, not only corrosive ammo. I've had many clean up just fine, the crud being ony petrified cosmocrud and dirt. Some ARE rusty, and may or not clean up. Plus some NEVER clean up, but shoot fine, and some "shiny" ones don't shoot well at all!

    AIM likes to say "Bores not new" or some such disclaimer on Mosins, and I appreciate their candor, but others you don't know what they look like until you get them off the BBT.

    I first try to clean mine with a lot of solvent and a tornado brush and some elbow grease. SOMETIMES this is all it takes.

    On REALLY bad ones I use the "Hot bore" method. Take it out and put about 15-20 rounds of surplus FMJ down it as fast as you can work the bolt and load it, until the barrel HURTS and leaves a mark if you touch it, not merely warm! (TRUST me, 20 rounds rapid is all it takes, those handguards are there for a reason! :cool: )

    Then IMMEDIATELY try the tornado brush and solvent again, and stay at it. Repeat the hot bore as necessary or as ammo permits. :p

    MANY times they will be shiny and sharp after that...

    If not, shoot it for accuracy, if not accurate enough, sell it and buy another and repeat until you get one you like. If it shoots well, KEEP it, and ignorre the "darkness..."

    I find M44s to be more accurate shooters DESPITE bore condition. M38s show more variance, and may take shooting many before you find one that shoots as well as an M44. I've never figured out why, except that all of the recent ones have been counterbored at the muzzle. Most M44s have not.(?)
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