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TTI +10 magazine extensions for Glock mags

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On 7/20/2018 at 1:52 PM, cjfung10 said:

Does anyone have pictures of their TTI or TF extension where they filed? I've done the follower modification but it seems to still hang up on my TF basepad around round 35/36.

 

Thanks,

Chris

As requested.

IMG_20180716_095713.jpg

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6 hours ago, BiggMike said:

As requested.

IMG_20180716_095713.jpg

Awesome. Thanks a ton. I haven’t been as aggressive and want to see if I can shave off more.

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How many coils is the included spring? Anyone know?

Sent from my SM-N950U using Tapatalk

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Little update on the one TTI +10 I have. As I stated earlier, when the mag would bind up around 35-36 I would just hold pressure on the top round and smack the base plate into the palm of my hand to un-bind it. Well after a good practice session on Sunday the mag no longer binds up. Cool!

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On 7/21/2018 at 4:16 PM, BiggMike said:

As requested.

IMG_20180716_095713.jpg

Id be careful with that, go too much and you could create a step(the mag body) that the follower has to jump over to feed. Basically the reveresing the issue. Ill take a mag that is finicky to load but feeds fine over the opposite of that any day. 

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Just now, Patrick Scott said:

Id be careful with that, go too much and you could create a step(the mag body) that the follower has to jump over to feed. Basically the reveresing the issue. Ill take a mag that is finicky to load but feeds fine over the opposite of that any day. 

No worries. I smoothed out the bottom of the mag to work with the TF basepads. So when I switched over, the actually worked a little better. I will probably replace the basepads after the season anyway. 

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Ive been having the same issue.

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Posted (edited)

ok, just finished installing these on a couple ETS mags, and ran them at a local match.

My existing setup is an ETS mag with a +10 Taylorfreelance extension.

The TTI extension is definitely shorter on the back side of the mag, by about 0.200"
Things I did to make it work:
1. sand the back of the follower
- a little more than I had to for the TF extension
2. add 3 layers of 3m vinyl tape to the inside of the ETS mag, on the back side(primer side)
- about 0.75" long

another option that could probably work:
deburring the extension chamfer(mine were all quire sharp),
and heating, and bending the back of the follower.
 

Edited by mmlook

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Mine hung up at 35 as well. The smack technique seemed to cure it. I also used a polishing wheel on the Dremel to chamfer the hard inside edge on the back of the mag.

21 coil spring is what comes with this kit. I suspect the Taccom or MBX will work for replacement.

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