As noted in another review, the POI changes. This is because there is no spring to push the laser capsule against the adjustment screws. As a result vibration causes them to back out. The solution is a short (~5/16") piece of feeler gauge (e.g. 0.003") placed so it presses the capsule against the screws. I had them back out repeatedly in a very short time. Once I added the shim it's been dead on.
Another issue is the pulse is too long (~60 ms) which results in a streak. I removed the existing capacitor and substituted an 8.2 nF cap which cut the pulse to <6 ms. Now I get a nice round dot instead of a streak. Before I couldn't tell if the shot was on target or moved on target at the end of the flash.
The trigger pull is rather stiff, so I stretched the spring to about twice the original length. I'll probably rework the trigger to make the break a bit better, but it's tolerable. It's a simple striker arrangement made of molded plastic. Making the sear metal to metal should not be difficult.
I'm ordering a couple for friends which I will send after I've made the modifications. So I *really* do like them even if they are Glock replicas (not a Glock fan). I liked it enough to buy a 19X with tritium sights. My LaserLyte has a 3 dot (not tritium) that matches the 19X sights. Until I find or make a trainer which matches a High Power, I've got the Glock 19X to match the trainer.
BTW weight is wrong, but you can fix that with some lead shot. I've not found my bag of sh...
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