Blackcat MO Type Red Dot Sight (Tan) Length-(mm)_385 If the user's holster is

If the user's holster is older and does not have the threaded hole and the user is unable or willing to have it added

Able to Hold 6 Round Shotgun Shell

5 Rounds Cartridge Loading Capacity

The cocking handle

Blackcat MO Type Red Dot Sight (Tan) Length-(mm)_385 If the user's holster isBlackcat MO Type Red Dot Sight (Tan) Metal Constructed Illuminated Dot Sight Adjustable Red Illuminated Dot 8 Levels Dot Brightness Control on each illuminate color Include Standard Mount & QD Mount Fit for all 20mm rails mount High Mount Height Elevation: 22mm (Bottom of Mount to Rail) Operating by CR2032 Battery x 1 Come With Hard Case (125mm X 80mm X 65mm) Also be backup sight on top of magnifying scopes, night vision, or thermal imaging optics