I have a Vortex SPARC red dot on an 835 shotgun with a Knoxx recoil reducing stock. I put 50+ slugs and 200+ skeet rounds through it before the screws holding it to the base sheared off. Although I may have over torqued them, when I shipped it to the contact address for Vortex online and emailed a Canada post tracking #, they had a new one on the way. It was waiting for me when I got back from work yesterday. I'll be more careful about the screw torque and see how this one goes. I'm glad I spent $50 more on the SPARC that is covered by the VIP warranty, rather than the cheaper red dot that isn't.



















































