The Viper comes in two versions: one with a 3 MOA dot, and one with a choice ... one of the few downsides of using a red dot. Installation was simple. Vortex includes four different screw sizes ...

Vortex just released the third addition to the new line of pistol red dots: the Defender-XL ... step down to a Defender-ST with a 3-MOA dot. There are lots of optics that are as tough as the ...