Both mounted on inertia actioned 12ga semiautomatic shotguns. Both produce a moderate amount of recoil. I have one of this mounted on my zoraki hp 1 and a hatsan jet. Holds zero and can definitely take the recoil.

It is a small red dot and fits nicely on my m2 (as pictured) and is not overly intrusive to impede weapon manipulation. Brightness is there with 11 settings.

Poorly machined and poor quality control. The riser was not machined properly. Only used it twice on 22lr rifle.

The dot emitter glass is not protected and was installed at a severe angle facing up and left. Turning up the brightness distorts the dot and brings it up into the +5 moa sizing and bigger. The sight itself now fits tight.