At the Palmetto State Armory Cyber Monday sale, get more than half off guns, bulk ammo, ... Vortex Strikefire II Red Dot Sight, $199 (save $70) Trijicon RMR Type 2 Adjustable LED Red Dot Sight ...

For comparison, below are photos of my Mossberg 835 complete with a rail and red dot atop an adapter plate. In order to get enough comb height to see through this sight, I duck taped strips of foam to ...