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anyone chop their frame on a glock

Discussion in 'Gunsmithing' started by win, Feb 17, 2010.

  1. win

    win

    1,891
    12
    Jun 30, 2001
    Oakley, ks
    just wondering if anyone has choped their frame on the glock? Did you do it yourself or did you send it off?
    any details would be great and pictures too. think about making a g22 except a g23 mag/
    thanks
     
  2. pangloss9

    pangloss9

    864
    0
    Mar 2, 2009
    middle TN
    I think about doing that to 9mm guns also, but I haven't moved on it yet. Here are some links:

    Cold Bore Custom
    Southwest Shooting Authority
    Bowie Tactical

    Please understand that I haven't done business with any of these businesses. Everything I've heard on this form and others has been positive though.
     

  3. I had a friend chop a G22 to 27 size. He wanted full length barrel to carry IWB. Turned out nice.

    I would use a string to mark, cut a touch long with hacksaw then file to exact fit.

    Sorry, no pics.
     
  4. Mako72401

    Mako72401

    101
    0
    Feb 26, 2006
    Jonseboro, AR
    I have not chopped a glock, but have considered chopping my Kel-tec sub 2000. I have one that takes glock 22 mags and would like to shorted it to take glock 23 mags. Would be about the same process.
     
  5. DJ Niner

    DJ Niner Moderator

    15,542
    1,165
    Feb 13, 2001
    North-Central USA
    The G17 in my avatar at left has had the frame shortened to G19 length. It's very handy; carries IWB like a G19, with the velocity and sight radius of a G17. I did it myself many years ago, basically as described above. I added the rounded grip cavity plug to reduce "printing" by the outer corner of the magazine.

    If I was to do it again, I'd leave a lower extension like the G27/27/33 frame, and round it off, leaving a little more grip frame to grip while still preventing the rear mag corner from printing.

    I also prefer the "look" of the grip being slightly shorter than the slide/barrel; I always thought the full-size Glocks appeared to have the same amount of grip sticking out the bottom as they had slide sticking out the front. Kind of out-of-balance? Probably a result of being exposed to too many photos of the 1911 at an impressionable age... :supergrin:

    My G1917 is a personal favorite, and I always thought Glock should produce a factory version.
     
  6. win

    win

    1,891
    12
    Jun 30, 2001
    Oakley, ks
    What did you cut it with? Can you provide some detailed pictures?
    Was it difficult to get square.
    thanks
     
  7. Folks have posted photos where they have chopped the "grips". :dunno:
     
  8. DJ Niner

    DJ Niner Moderator

    15,542
    1,165
    Feb 13, 2001
    North-Central USA
    A hacksaw with a fine-tooth blade. I shaved parts of it with a heavy-duty razor utility knife; the polymer really isn't that hard to cut.
    I don't think I have any really detailed shots any more (lost during a computer death, years ago). I have a few "group" shots of my Glocks over the years, I'll check and see if any of them have decent detail.
    I removed the magazine catch from the frame, and used a magazine body with no floorplate on it to check the length of the frame. Remove a little material, slip the mag body in, look through the right side of the mag catch hole in the frame to see how close the notch was to lining-up with the catch, repeat. The floorplate adds a little thickness to the mag body's base, so you have some "fudge factor" when you get close. Mine was pretty close to true on the bottom, but a little off on one side. Functionally, no problem, but aesthetically, not very pleasing.

    Take your time, don't get in a rush, and did I mention "go slow"? :supergrin:
     
    Last edited: Feb 21, 2010
  9. DJ Niner

    DJ Niner Moderator

    15,542
    1,165
    Feb 13, 2001
    North-Central USA
    Here is a photo of my Glocks in 2005. From the left: G34, G1917, G32C, G26. The first two have older factory +2 magazines in them.

    [​IMG]

    Note: this Glock was cut by using the older pre-ban mags as a template. The newer mag bodies are slightly longer, so that means they hang-out a bit more, and leave an unsightly gap between the frame base and the mag. I tapered the mag opening so the older pre-ban mags fit perfectly, as the edges of the floorplates on these old mags were also slightly tapered. When you put a new mag in it, the gap makes it look like a sloppy cut job, so I rarely show it with a new mag in place.
     
    Last edited: Feb 21, 2010
  10. win

    win

    1,891
    12
    Jun 30, 2001
    Oakley, ks
    I just want it to look as good as it can. What about a scroll saw. sorry about the spelling.
    Almost thought about a chop saw. If one would use a dremel would it be better on high speed or low speed? On a G23 the butt of the gun looks like it is at an angle.
    Did you use a file when you was done gutting it to even it up and make it look nice?
    thanks agian
     
  11. Something low speed to cut close to size is the way to go. A fine tooth hack saw, coping, or even a fine tooth wood saw would be great.

    Don't worry about a ragged cut, just get it straight and leave just a touch long.

    A file or sand paper with block will slowly bring it to the correct length and will leave a great looking finish. The Dremel is a great tool but the high speed is just too easy to make things go bad quickly with polymer. Stick to file and sand paper.
     
  12. DJ Niner

    DJ Niner Moderator

    15,542
    1,165
    Feb 13, 2001
    North-Central USA
    ^ This.
     
  13. BDuffel

    BDuffel

    22
    3
    Mar 18, 2007
    Memphis, TN
    Here's a G1917 I did a year ago. Love it!
    [​IMG]

    Here's what you're dealing with- the different angles of the floor plates.
    [​IMG]

    I used an EXACTO backsaw and razor knives. The polymer is ridiculous-easy to cut. The trickiest part is the rear of the magwell wall. It is trial and error there and you have to thin it out as you shorten it. I put a little bevel back in the magwell with sandpaper.

    Now I've got a brand spanking new G22 Third Generation I am thinking of doing the exact same modifications to.
     
    Last edited: Feb 23, 2010
  14. win

    win

    1,891
    12
    Jun 30, 2001
    Oakley, ks
    thanks this is what I was looking for.
    I will get me a g23 mag and a fine hacksaw blade and give it a try.
    Why did they change the angle on the mags? G22-G23 for a more compact look
    thanks again
     
  15. samuse

    samuse

    5,375
    23
    Jul 30, 2008
    South TX
    I chopped a 17 down to 19 length last night. I used a pocketknife, some sandpaper and a small file(on a Leatherman tool). I took my time and it turned out perfect. I cut it down to fit the new ambi-cut mags without a gap. An older pre-ban mag will not seat in it, but I have a G-19 for those mags.
     
  16. win

    win

    1,891
    12
    Jun 30, 2001
    Oakley, ks
    what is different about the new mags? Are they longer ?
    thanks
    do you have pictures
     
  17. samuse

    samuse

    5,375
    23
    Jul 30, 2008
    South TX
    Yeah, the newer mags with the rectangular slot cut out of the front are a little longer than the older ones. They stick out further but it doesn't affect function. It is more noticeable on the subcompacts. I rounded the triggerguard at lunch today and it looks real nice. I was nervous about doing it, but am definitely glad I did it. I shouldn't have waited so long. I'm gonna do a friends G-22 next.
     
  18. John Watson

    John Watson

    447
    42
    Feb 12, 2002
    Texas
    Glock 21 frame reduction by Robar.

    [​IMG]
     
  19. win

    win

    1,891
    12
    Jun 30, 2001
    Oakley, ks
    well I finally got the balls and choped my G22 to fit G23 mags.
    Looks ok.
     
    Last edited: Mar 30, 2010
  20. Looks like you did an even cut on it. Good job.