Pretty good for the price - SIG SAUER OPMOD ROMEO7S 1x22mm Compact Reflex 2 MOA Red Dot Sight

Overly surprised and happy with this green dot. Took it to a rifle event, went to zero it and took less than 6 rounds to get a 2-3 inch group at 50 yards. Held quite all right until the end, where I noticed it came loose (rounds were going everywhere). To be fair though, I did not torque it to spec and didn't use any Loctite or similar. Torqued it to spec after, applied some Loctite (medium strength), put a hundred more through it and their wasn't any movement when I retorqued it. Most of the negative reviews are probably from this little human mistake. At least torque it.

Going to take it out on another event soon, and will update.