ok. I have had experiance with #1 and #2, both were on guns I bought, and both times I sold them. <which btw, brings the total cost of the gun WAY down.
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#1 is very thin. redicuthin. I thought it was nice, but the rubber gribs for CZs are so nice too and I like it to fill my hand, not be like a thin little sliver. It really made a huge difference in feel. It felt like a completly different gun, which frankly I dont think the CZ needs to feel different.
The other thing, is they will scratch and wear a lot more visibly than the rubbers, if you care about that sort of thing. especially around the mag well area.
Of course they preclude you from getting crimson trace, which I do on my carry CZs.
I do NOT think they offer any more "Grippiness" in a real world <IE sweaty> situation. The rubbers had more grip, the aluminum in the areas that were not skate taped, was very slick.
#2. Fixes the grip problem, but.. and listen closely, if you carry your CZ, they will eventually grind your flesh away in a manner not seen since the spanish inquisition.
In a car, with a pair of those on your gun, gun pressing up against your love handles, and the vibration of the car is like putting a Billy Mays Auto Grater on your kidneys
So, I gotta say, not a huge fan.
It fixes a problem that wasnt there in the first place, as far as I am concerned. CZs have good grips from the factory.
I have made a lot of cash back buying CZs that have em, and then ditching them tho