The T97 Thread!

--Terry-- said:
The left side mag release button on my Gen 2 has been a b!tch to use. It is small, shallow, and it works only when the right edge is pressed. Mag change on the left side is painful, but on the right side is even slower.

I have just added a piece of spring steel (cut from the pocket clip of a knife) to the right side of the mag release lever. It is attached with JB Weld two-part epoxy. Now when the raised curve is pressed, the mag drops. It makes mag change easier and quicker. Since I have changed charging handle to the left, and also since the rear safety is taller than the clip, it is not likely that it gets bumped by stuff causing an accidental mag drop.

Hope that my sharing this could lead to better mods or improved design in the future.

Before:


After:
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That's really good. I've seen one attached to the front side so it can be pushed toward the left side with the thumb, but not one on the back.

How well is the JB weld standing up?
 
Hey so I just got a Type 97 Gen 3 from Tenda today. I took it out on a brief range trip to try it out, and had a single instance where it fired a 2 round burst. From what I understand, it's not unheard of for the Type 97 to do this on rare occasion. My question is, should I return it to Tenda for a new one? My main concern is whether or not it's legal.
 
Yutrzenika said:
Hey so I just got a Type 97 Gen 3 from Tenda today. I took it out on a brief range trip to try it out, and had a single instance where it fired a 2 round burst. From what I understand, it's not unheard of for the Type 97 to do this on rare occasion. My question is, should I return it to Tenda for a new one? My main concern is whether or not it's legal.
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If the gun does not go full auto by design and if it hasn't been modified in any way, it is 100% legal.
 
CZ Shooter said:
If the gun does not go full auto by design and if it hasn't been modified in any way, it is 100% legal.
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After a thorough examination, I'm pretty sure the firing pin was just a bit sticky from factory packing oil.

Unrelated question, what size hex wrench do you use for the two screws that hold on the top rail? The only hex wrench I have that fits is just a touch too small, and as such I can't get the screws sufficiently tight.
 
Yutrzenika said:
Unrelated question, what size hex wrench do you use for the two screws that hold on the top rail? The only hex wrench I have that fits is just a touch too small, and as such I can't get the screws sufficiently tight.
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Sounds like you finally got your excuse to call your Snap-On guy and order his top of the line metric/imperial hex key set!
 
Hey all,

My friend has a Gen1 sporting the LHG and FTU. He was getting frequent feed problems with the bullets getting pushed back into the case. A quick internet search came up with the need to cut M4 style feed ramps. I've helped him do this, and it has improved somewhat with some mags.

I'm nervous about taking TOO much material off and bunging it completely. Apparently the later Generations have factory feed ramps? Would you be kind enough to post or PM me pics of yours so I can try to compare them to the work we've done so far?

Thanks in advance.

PS: any improvements possible on the Gen 1 mag release? Right hand operation sucks and it frequently jams open...
 
Phat Eagle said:
Hey all,

My friend has a Gen1 sporting the LHG and FTU. He was getting frequent feed problems with the bullets getting pushed back into the case. A quick internet search came up with the need to cut M4 style feed ramps. I've helped him do this, and it has improved somewhat with some mags.

I'm nervous about taking TOO much material off and bunging it completely. Apparently the later Generations have factory feed ramps? Would you be kind enough to post or PM me pics of yours so I can try to compare them to the work we've done so far?

Thanks in advance.

PS: any improvements possible on the Gen 1 mag release? Right hand operation sucks and it frequently jams open...
Click to expand...

A bit late to the party, I had a similar problem with my gen 1. I used a dremel to grind out two feed ramps a little bit (like maybe < 0.5 mm maximum depth) and then polished them with a fine grinding stone, some oil, and then buffed it with one of those fuzzy felt dremel attachments.

Things got a little bit better, but I'm not sure that's what really helped.

Instead, I'd suggest trying different ammo, and different magazines. One brand of bulk .223 55 grain still does the "push a bullet in" thing. Can't remember the brand, because a buddy gave me a bunch of bulk ammo out of the package when the OIC ban came in and he didn't need .223 anymore.

I think that what's happening is that the magazine well is so damn tight, the mag the cases really tight and when the bolt pushes it forward, it doesn't "lift" like it should due to friction with the magazine. Then the powerful spring jams the cartridge forward but it's not lifting under the magazine's follower's upwards force as the case starts to clear the feed lips - it stays pointing forward due to tension at the back. And so the bullet smashes into the front of the magwell / area where a feed ramp would normally be.

I say this because lacquered steel cases (such as Barnaul, as well as hornady Steel Case Match) both cycle great - I think that's because lacquered cases have less friction. Also, I find American Eagle 62gr green tips tend to work, not sure why that's the case.

Wish I could be more help.
 
Thanks for that^^^. We've tried several different types of mags and ammo, though no lacquered steel as all the ammo was brass... Maybe we'll find some Barnaul and try that. ASC LAR mags work pretty well, as do steel E-Lander and Troy Battlemags. Lancer AWM don't fit the magwell at all, and the CrossMag 10/10s cause stoppages like crazy.

With his, the cartridge is not always feeding straight into the chamber; when it has the problem it goes up at a steep angle and jams to the left of the chamber, pushing the bullet back into the case. Cutting M4 style feed ramps has helped somewhat, but still not 100%. As I said, I'm concerned we may go too far, so I'm hoping to see Gen 2 or 3 ramps if they run 100%.
 
My buddy's T97 pushed HP back into the case. Crossmags in his Gen3 work great. He squeezed the back of his metal mags a tad, they now work perfect. Some poly mags were tight, he just slightly filed down the rear mag spine, and now they also work flawlessly. His Gen 3 had M4 ramps from the factory.
 
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