I don't have a single bad thing to say about mine. The only time I ever had a malfunction that couldn't be attributed to cheap ammo was when the screws holding the side plate backed out a little. The sideplate was just loose enough to allow the internals to move around a bit. Easy to fix and not another problem with them backing out since. I've probably got 5000+ rounds through it. It's seen several configurations, from standard iron sights, to scoped, then red dotted. The most recent was the addition of a Bushnell TRS-25 (micro dot clone). I also went ahead and filed the front sight off so that I could turn the mount around. Much easier to disassemble now and with the micro dot it balances perfectly. Next up is making the trigger guard truly square, and checkering the front strap.