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AR15.COM
10/4/2004 6:57:47 PM EDT
OK, new to the Glock game, but have about 4 of the 10rd mags for my G22.  Is there a way to 'open' them up to hold the normal capacity?  Can a constructive person with a dremel make them 15rds again?

Sorry if this has been asked a dozen times.

Doc
10/5/2004 7:46:47 AM EDT
[#1]
AFAIK, no they cannot be converted.  From what I can see- the steel liner was dented inward to restrict the capacity, similar to what Berreta did. But then the polymer shell was applied to the steel liner which means the polymer was put on thicker.  So I would think that if the dent was pushed out, the plastic liner would bulge the side of the mags out so as not to be able to be inserted into the weapon.  

On the flip side, I would asssume* that if the dent were machined/dremeled out- this would basically only leave the plastic liner which would probably bulge when loaded and unless particular care was applied in the dremel work, the uneven sides would cause the mag to jam.

So in summation, the chances are that a 10 round Glock mag can't be Frankensteined to hold the original capacity amount & feed properly. Even if it did- it would probably be nothing more than a range mag which you wasted a lot of time re-working. (A 10 round range mag ain't a bad thing)


Sly
10/5/2004 4:25:07 PM EDT
[#2]
One of the stipulations of the AWB was that magazines would be limited to 10 rounds and could not be tampered or modified to negate the limit.
10/5/2004 6:21:31 PM EDT
[#3]
Just save them and pick up some standard capacity mags for the Glock. I plan on keeping the 8 10rnd mags that I have already. I'll use them for competition and for practice sessions. I would rather put the hard use on the 10rnd mags then the standard capacity mags.
10/5/2004 7:33:36 PM EDT
[#4]
Yep, sounds like a good plan.  I picked up some used 15 rd'ers today and ran about 300 rds thru them to make sure they functioned.  Went without a hickup (wolf, remmington, federal, and corbon...oh yeah, one box of winchester too).  So another trip or two like that, and I will carry with those, and use the 10's for the range.

Thanks
Doc
10/6/2004 6:23:08 AM EDT
[#5]
In the interest of science....

Last night I took out my dremel and a 10 round mag for my G22.  After about 2 hours of careful "machine work" I had cut out the portions of the mag's side which were indented into the cartridge holding area.  I then re-inserted the guts and began loading the rounds.  About 4-5 rounds into the loading process, the spring exited the magazine through the side.  Even when keeping the spring in line by hand, the follower would hang up.

So it is in my humble opinion, there is no way in hell to easily or properly convert the 10 round mags to hold more. (well, perhaps a mag extension might increase the capacity, but that sounds too easy)

Sly
10/6/2004 7:09:04 PM EDT
[#6]

Quoted:
Last night I took out my dremel and a 10 round mag for my G22.  After about 2 hours of careful "machine work" I had cut out the portions of the mag's side which were indented into the cartridge holding area.  I then re-inserted the guts and began loading the rounds.  About 4-5 rounds into the loading process, the spring exited the magazine through the side.  Even when keeping the spring in line by hand, the follower would hang up.



Did you replace the low-cap follower and spring with a normal follower and spring?  Since the mag body was modified to be narrower on the inside the spring and follower must also have been made narrower, so its easy to see how they could get hung up when put in a wider mag body.  I'd be interested to hear how it works out using normal springs and followers.

Later,

Matt
10/7/2004 2:19:40 PM EDT
[#7]

Quoted:

Quoted:
Last night I took out my dremel and a 10 round mag for my G22.  After about 2 hours of careful "machine work" I had cut out the portions of the mag's side which were indented into the cartridge holding area.  I then re-inserted the guts and began loading the rounds.  About 4-5 rounds into the loading process, the spring exited the magazine through the side.  Even when keeping the spring in line by hand, the follower would hang up.



Did you replace the low-cap follower and spring with a normal follower and spring?  Since the mag body was modified to be narrower on the inside the spring and follower must also have been made narrower, so its easy to see how they could get hung up when put in a wider mag body.  I'd be interested to hear how it works out using normal springs and followers.

Later,

Matt



The followers are identical as far as I could tell,  Both stamped with a "5" on the top front.  The magazine springs vary only slightly, I doubt that would help.  If I remember I'll try it tonight with the standard capacity mag spring.  However, due to the ident on the steel re-enforced sides and the way they were made, basically the flat portions of the mag's sides were completely removed.  By doing this, and hind site being 20/20 I should have been more careful at the bottom, I cut through the steel liner at the bottom completely.  So now the front and rear of the mag is "flimsy".  

I have to say, when they made them to be "impossible" to convert- I think that's what they accomplished.

Sly
10/7/2004 5:43:37 PM EDT
[#8]
RIP Clinton mag
10/7/2004 6:21:54 PM EDT
[#9]

Quoted:
RIP Clinton mag




I thought you LEOs didn't have to worry about that stuff during the ban.
10/7/2004 8:26:31 PM EDT
[#10]

Quoted:

Quoted:
RIP Clinton mag




I thought you LEOs didn't have to worry about that stuff during the ban.



I don't, but I do have friends that aren't LEOs.
10/7/2004 8:33:18 PM EDT
[#11]
Yeah, they can be converted if they're anything like the 92 mags...

Get a dremel and cut the dent out, so you have a square hole where the dent was (kind of like a Ruger 22/45 mag)...
10/8/2004 3:42:38 AM EDT
[#12]

Quoted:

Quoted:

Quoted:
RIP Clinton mag




I thought you LEOs didn't have to worry about that stuff during the ban.



I don't, but I do have friends that aren't LEOs.




Shhhhh, you don't want all the cop bashers to think your a decent guy.
10/8/2004 6:48:30 AM EDT
[#13]

Quoted:

Quoted:

Quoted:

Quoted:
RIP Clinton mag




I thought you LEOs didn't have to worry about that stuff during the ban.



I don't, but I do have friends that aren't LEOs.




Shhhhh, you don't want all the cop bashers to think your a decent guy.



Um, OK, I don't have to worry about your feeble laws, since I am above them.  I wish to buy many mags and sell them to regular civilians at an inflated price.


(how's that?)
10/8/2004 7:32:44 AM EDT
[#14]

Quoted:
Yeah, they can be converted if they're anything like the 92 mags...

Get a dremel and cut the dent out, so you have a square hole where the dent was (kind of like a Ruger 22/45 mag)...



No, it's not like the 92 mags. (I'm assuming you're talking about Beretta mags)  Basically the entire sides of the mag had to be removed as they are dented and sloped on the sides.  Since so much of the side had to be removed the spring will not retain inside the body under presure, it pops out the side...  It's official AFAIK, they cannot be converted to standard capacity as the follower still does not move freely.

I fiddled with it some more last night and basically I'm left with a skeleton...  I"ll keep it for novelty reasons, basically a severely cut-a-way example.

Sly
10/8/2004 10:47:16 AM EDT
[#15]
i coulda sworn i saw glock mags with ribs inside that coulda been filed out.
even if you bill your time at a few bucks an hour, it's cheaper to buy new mags
10/8/2004 1:52:54 PM EDT
[#16]
From Spock:

Captain, it would appear that the statement that the AWB magazines are made to be unalterable without damage is true.  It would be logical to assume that the 10 round magazines are better kept for training and practice.

McCoy:

Damn it Spock!  You and your cursed logic!  
10/8/2004 3:09:06 PM EDT
[#17]

Quoted:

Quoted:

Quoted:

Quoted:

Quoted:
RIP Clinton mag




I thought you LEOs didn't have to worry about that stuff during the ban.



I don't, but I do have friends that aren't LEOs.




Shhhhh, you don't want all the cop bashers to think your a decent guy.



Um, OK, I don't have to worry about your feeble laws, since I am above them.  I wish to buy many mags and sell them to regular civilians at an inflated price.


(how's that?)




Not to bad, but you forgot to mention that LEOs needed the extra rounds to handle the perps dog first.
10/17/2004 9:03:28 PM EDT
[#18]
10-rounders are always good for competitions that you can't load to capacity.  You can change the baseplates to a colored plate just to differentiate them from your standards.

And remember: 10 rounds always better than 0 rounds.

I'm glad prices are falling for the 10 rounders just for the competition factor.

I will always be true to original capacity factory mags though!

Good bye AWB!
11/5/2004 3:37:21 PM EDT
[#19]
If you are totally bored some rainy day and you have nothing better to do than you can grind these channels out to gain additional capacity. I have done it on 10 rd G21 mags without too much hassle and regained 13 rd. capacity.

You will need a Dremel with an extension and a grinding wheel.

Take out the mags innerds and grind away as far up the channel as you can. Stop often to allow metal to cool so you don't melt the plastic walls. When done grinding you will need to sand and polish the cutouts for best results. Reinstall the innerds and there you have it. No adverse side effects unless you fail to sand and polish then it may just take a tad longer to break in again.

Cheers, NAV
11/5/2004 4:51:04 PM EDT
[#20]
Getting the "extra" witness holes may be a problem...ok, now get the drills out.