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Longer barrel in autoloader?

Discussion in 'Handguns: Autoloaders' started by Caliper_Mi, Jan 2, 2011.

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  1. Caliper_Mi

    Caliper_Mi Member

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    I occasionally see photos of Glocks, 1911's, etc with the barrel protruding an inch or more beyond the end of the slide. In general, is it possible to put a longer barrel in an autoloader without modifying the slide?

    Basically, I would be interested in a pistol with a full size barrel in a compact size frame and don't know if this is something I can do at home or is a custom job for a real gunsmith.
     
  2. 9mmepiphany

    9mmepiphany Moderator

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    Do you mean like this
    glock_20.jpg

    ...the amount of work required to fit the barrel would depend on the gun, how much accuracy you required afterward and your personal ability
     
  3. Caliper_Mi

    Caliper_Mi Member

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    Yup, like that. Is fitting needed for the barrel to clear the opening at the end of the slide or where?
     
  4. 9mmepiphany

    9mmepiphany Moderator

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    Fitting, depending on the platform, usually addresses the lockup at the rear and the unlocking surfaces under the chamber
     
  5. ProCarryNAustin

    ProCarryNAustin Member

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    This might get you a little extra velocity on the bullet (25-50fps or so is the usual) and length of barrel does not determine accuracy. A tightly fit short barrel will group as well as a tightly fit long barrel.
     
  6. Caliper_Mi

    Caliper_Mi Member

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    Yes, I am interested in the extra velocity, I understand that I won't get more accuracy unless I increase sight radius.

    I'm looking specifically at 10mm and having a full size barrel on a compact frame (probably a Witness - their "compact" frame is plenty for a full grip). The data at http://www.ballisticsbytheinch.com/ suggests a 50-75 fps bump going from 3.6" to 4.5". Basically, the idea of going to a large cartridge and wasting all that powder on muzzle flash bugs me, but it seems everything with a full size barrel also comes with a huge grip that is harder to conceal on my 160# self.
     
  7. james_bond

    james_bond Member

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    I know some states will not let you hunt with a handgun if the barrel under 5 inches, so there are folks that sell a 6 inch barrel for your Glock 20.
     
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