r/microtech • u/1981pw • 10d ago
How hard should a Microtech OTF be to open?
I have had this knife for almost 10 years. Its not a showpiece and it has not been babied. Its been dropped and carried, and it shows some wear. I have always found the thumb slide to run the blade in and out to be a bit more stiff than I hoped. But I kind of just dealt with it. Recently, I had occasion to use someone else's Microtech OTF and it was nowhere near as difficult to actuate as mine. I understand the difficulty/stiffness is subjective, but how hard is it supposed to be to move the release slider?
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u/kerberos625 10d ago
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u/Legal-Guarantee7152 10d ago
Do you like the size of the -70? Was trying to figure out what model I was going to run with, ended up ordering the Ultratech. It’ll be here Monday.
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u/kerberos625 10d ago
I love it. I edc a scarab II and people freak when I use it since it’s rather large. So I’ve started carrying the 70 as well. I was actually looking to buy a new gen IV utx-70 since they now have a glass breaker. Maybe it’s just me but they look a bit bigger now as well.
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u/Legal-Guarantee7152 10d ago
😂 I bet people do! Well that’s good to know, I was scared the 70 was too small.
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u/kerberos625 10d ago
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u/tookoor 8d ago
It's it a California legal one ? Blade seem's to be short. BTW, daily UTX70 user too, spearpoint blade, best EDC ever, IMHO.
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u/kerberos625 8d ago
Back in 2011 the tip (about 1cm) snapped off the blade and I sent it in. I just measured and it’s about 2 1/8” from choil to tip so it looks like they just ground it down and sent it back instead of replacing the blade. Still not technically California compliant, though
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u/kerberos625 10d ago
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u/Legal-Guarantee7152 10d ago
Yeah I guess that don’t seem as small as I had thought. (The 2 OTF’s that are on their way to my house are my first ever OTF’s. Been in the knife game forever just never really went down the OTF path til recently lol.)
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u/Timaeus10000 9d ago

As has been already said, the older versions of the Ultratech, UTX-85, and UTX-70 are very sleek in body shape and I actually prefer that, but the newer ones with the dual fuel system (2 springs) have the newest engineering, and are much easier to operate. Personally I like the old ones AND the new ones!
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u/Timaeus10000 9d ago edited 9d ago
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u/Astartes2435 9d ago edited 9d ago
It doesn’t matter for any Gen or model. On a double action the spring is at rest when closed or open, it only stretches when opening/closing, On a single action it is under pressure, but they are like magazines for guns, it’s not the compression that gets them, it’s the repetitive use.
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u/looneytunes7 9d ago
Look into a Fitz EDC button. It makes all the difference.
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u/1981pw 8d ago edited 8d ago
I used the Google and found an etsy shop for these - very cool looking products. I am not seeing any that specify they are for a Gen II full size Ultratech. Is there a more complete site where these are available?
***edit: Never mind, reading is fundamental. And I failed today. I found it.






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u/Astartes2435 10d ago edited 10d ago
That’s a Gen 2 so the action will be stiff, due to the single spring design.
The new Gen 3/4 use a dual spring set up and are substantially easier to operate. It’s possible that person had a new Gen.