No, the Vortex QR Red Dot Mount will not work for the Vortex Viper. The American Defense Manufacturing AD-SF w/ SF Rail Mount will work with the Vortex Viper. This mount can be found at the link below, but it will allow you to mount the Viper to it using the Viper's picatinny rail mount.
https://www.opticsplanet.com/american-defense-manufacturing-ad-sf-w-sf-rail-mount-for-small-red-dot-optics-bu.html
The Vortex QR Red Dot Mount could be mounted on a shotgun. The Vortex QR Red Dot Mount uses picatinny rail to mount to a firearm, so if you have picatinny rail on the receiver of your shotgun the Vortex QR Red Dot Mount could attach to it.
Yes, the Vortex QR Red Dot Mount will work on an RIA VR80 shotgun. The Vortex QR Red Dot Mount mounts to picatinny rail so it will mount to the picatinny rail on the top of that shotgun.
Yes, this will work with the Vortex Venom or Viper.
Yes this will mount to a picatinny rail.
Please email us at techsales@opticsplanet.com and we can further answer your question.
Please email us at techsales@opticsplanet.com so we can further answer your question.
No this will not fit for Bushnell red dot. If you want email us at techsales@opticsplanet.com can help you further.
unfortunately this does not fit but if you want more assistance on what you need email us at techsales@opticsplanet.com
this should line up with the vortex 3x micro magnifier