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.
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!
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.
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.
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.
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.
I will post some this week, I am going to break everything back down and do some pics for a detailed writeup of what I have done so far. Been working all weekend and just don't have much time.
Welcome to the forum. I was able to order my extra mags from the Taurus directly. That was a while ago. I have 5 factory mags now, and will attempt to modify a 9mm AR mag to work for higher capacity mags.
Just a a quick note for those who are still trying to find mags that work. The Ugly promag polymer 32 round colt smg mags (under $12 I think) work well in the carbine however you may have to heat and re-shape the follower a bit. It's nice to toss 32 rounds down range without a mag change.
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.
The FMK mags will not stay latched in my gun. I don't know how you got them to work. The Uzi mags are wrong dimension. The promags listed on gunbroker work 100% and hold 32 rounds.
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