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Optimum bbl length for 22 L.R.?

Discussion in 'Rifle Country' started by Blueduck, Nov 8, 2003.

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  1. Blueduck

    Blueduck Member

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    Seem to recall reading somwhere that velocity from most .22 rimfire guns actually tops out at between 16"-18".

    Curious as whether anyone has done any testing on this?
     
  2. makarov

    makarov Member

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    There may be more at play than just velocity. Most target rifles tend to have longer barrels.

    I have a CZ-452 with a 29" barrel. It is extremely accurate, though not moreso than the Biathlon Basic that I have which has an 18.5" or so barrel. I like the sight radius the longer barrel provides with iron sights. The BB has no option for iron sights. I wonder if the BB would be even *more* accurate with a longer barrel? They shorten the barrel on this model, probably just hack off the mount for the front sight, add weaver mount and cheap stock and *done* one Biathlon Basic. They are a great gun however.

    Was that a digression or what....

    - Makarov
     
  3. P95Carry

    P95Carry Moderator Emeritus

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    I've tended to think in terms of the 18" region as ''ultimate'' .... but ... my Marlin is 22" and a tack driver ........ and my old Mauser Obendorfe bolt is IIRC about same if not longer.

    Even if the powder burn is ''complete'' and max'd out by 18" I think the minute potential loss thru extra length is or maybe .. negated by the extra stability endowed. No way to prove that of course, except subjectively.

    Plus ... I guess we should have to also consider the ''hyper velocity'' .22 LR offerings also.
     
  4. B27

    B27 Member

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  5. C.R.Sam

    C.R.Sam Moderator Emeritus

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    B27......thanks for putting up that link.

    That whole thread and the links from it pretty well cover it all.

    Sam
     
  6. Blueduck

    Blueduck Member

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    Thanks all!

    I was trying to find a logical excuse to buy one of WalMart long bbl'd 10/22's. Guess I'll have to look for some other factor ;)
     
  7. twoblink

    twoblink Member

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    Some guns with longer barrels (and iron sights) seem to shoot better; but that might not be an effect of the barrel length, but rather, the sight radius length..

    So if you use iron sights, that might be one of the advantages. I see using a scope drastically negating that..
     
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