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Discussion Starter #1
Got the new ct9 g2 rifle last week and already began hacking the existing low cap mag issue, These mags are easily increased from 10 to 15 rounds by milling out the limiter hump on each side and removing about 8 coils off of the spring for tension purposes, After this mod the weapon still cycles as normal and there were no created problems as a result. Now to the alternative magazine...I already had in my possession three Argentine FMK-3 machine gun mags, These are very similar to the uzi magazines (which may also work), These just happen to have the same size body without the humped out section where the mag catch rides (this i found was unnecessary), All that was needed to make these work were a small notch cut for the mag catch and some material notched out at the top to avoid the bolt catch. After this mod these mags work perfectly for the ct9 and have capacities of 25 and 40 rounds, The only thing I need to add is some sort of stops due to the fact that on the fmk mags they are alot lower, but they are still functioning fine without for now. 20140112_181131.jpg 20140112_175121.jpg 20140112_175356.jpg 20140112_175458.jpg
 

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;) Not that anyone would do this and void the warranty, but it's a good THEORY. ;)
 
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First thing....Howdy!

That looks like some good hacking you have done there. As you probably know the big knock against that gun was the magazine capacity. Looks like you have a workable solution!
 

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Where did you find the Argentine FMK-3 machine gun mags?

As far as warranty, it seems to me that if you made NO ALTERATIONS to the firearm itself, then the warranty would not be an issue.
 

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We are pleased to have you aboard!

TaurusArmed.net is a great firearms forum that abounds with very knowledgeable and friendly folks who really enjoy talking handguns, ammo loads, firearm safety, and politics.

When you have the chance, check out this thread which will tell you a little about our folks:

http://www.taurusarmed.net/forums/h...-new-members-taurusarmed-net.html#post1542217




P.S. Some of us would certainly enjoy reading a thread about your new Taurus carbine (likes, dislikes, etc.)
 

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Discussion Starter #7
Where did you find the Argentine FMK-3 machine gun mags?

As far as warranty, it seems to me that if you made NO ALTERATIONS to the firearm itself, then the warranty would not be an issue.
Here is one place that is currently carrying the mags: http://whatacountry.com/ , I would like to try an UZI mag as well. It would be nice to get some dimensions from one.
 

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Nice job! I recently got to inspect my first CT9 and really liked it. The one drawback is the limited mag capacity. You my have solved that. Now if I can get someone to come up with a high cap mag substitute for a CX4 in .45, I'd be eternally grateful.
 

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You do not send in the Mags so it is my guess that unless you told the CS that you did it they would never know.
 

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UZI mags are far too fat. I've been working on this same thing, but I've been trying Colt 9mm mags. The spring tension is off on those, and I'm getting a lot of double feeds and issues with feeding. Did you have those same issues with these?
 

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Discussion Starter #11
UZI mags are far too fat. I've been working on this same thing, but I've been trying Colt 9mm mags. The spring tension is off on those, and I'm getting a lot of double feeds and issues with feeding. Did you have those same issues with these?
Actually i should update a little, the original taurus mags have more of a flat follower as the argentine mags have a slight angle to them, this is due to the angle that the magwell on the taurus already has and there is no compensation needed on the mag, i removed the angle on the argentine mags by cutting, bending, and rewelding and this solved the remainder of my feeding problems that were going on sometimes. I think the angle is most important, If you are having spring tension problems you can remove some links a few at a time, But make sure everything else is correct first, Also check the feed lips to make sure there is no interference from the bolt going in and returning also. btw... the colt mags, are they the correct size (width, depth) and with no angle built in like the uzi? I did finally get to try an uzi mag and besides the width being off they have a horrible angle on them tapering forward instead of flat and even like the taurus and argentine.
 

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Actually i should update a little, the original taurus mags have more of a flat follower as the argentine mags have a slight angle to them, this is due to the angle that the magwell on the taurus already has and there is no compensation needed on the mag, i removed the angle on the argentine mags by cutting, bending, and rewelding and this solved the remainder of my feeding problems that were going on sometimes. I think the angle is most important, If you are having spring tension problems you can remove some links a few at a time, But make sure everything else is correct first, Also check the feed lips to make sure there is no interference from the bolt going in and returning also. btw... the colt mags, are they the correct size (width, depth) and with no angle built in like the uzi? I did finally get to try an uzi mag and besides the width being off they have a horrible angle on them tapering forward instead of flat and even like the taurus and argentine.
Now that I look at them, yes the follower does have a slight angle, however, it is made of solid soft polymer, which is easily moldable. I have already done a bit of this, but I may do more. I guess I just really don't know what the issue with the spring was in general. I'll work on the follower and get back to you in a few minutes.

UPDATE: They're feeding better now, I'll have to see what happens before I take the spring down.
 

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Discussion Starter #13
Now that I look at them, yes the follower does have a slight angle, however, it is made of solid soft polymer, which is easily moldable. I have already done a bit of this, but I may do more. I guess I just really don't know what the issue with the spring was in general. I'll work on the follower and get back to you in a few minutes.

UPDATE: They're feeding better now, I'll have to see what happens before I take the spring down.
So...What about the size on the those colt mags? do you have a precision way of measuring the dimensions (width, Depth)? I would be interested in trying some myself.
 

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According to my calipers the width is 0.838 in, and my depth is 1.419 in. It works perfectly, and if you are careful as to what you cut, you still get the bolt hold open like I did.
 

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Discussion Starter #15
According to my calipers the width is 0.838 in, and my depth is 1.419 in. It works perfectly, and if you are careful as to what you cut, you still get the bolt hold open like I did.
Cool..Thanks! I am currently working on shortening the foregrip the same as the taurus smt, Adding a fake suppressor shroud around the barrel (for looks) and also replacing the buttstock with a tapco t6 ak-47 adjustable stock that i modified to fit the rear trunion, So far the tapco worked out very good and is solid. I will of course be posting pics and some details.
 

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Welcome to the forums and the Taurus family from NJ !

newjersey-stamp.jpg
 

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Discussion Starter #19
Teaser Pic from ct9 project

Here is a teaser pic from my ct9 project, shortened foregrip, tapco t6 stock, argentine 40 round mag, eotech 512, mbus sights, Ar-15 grip. More details and pics later.
 

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Welcome to the forum!

It is good to have someone on here that is capable of fixing the limitations of otherwise a really cool pistol caliber carbine.
 
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