[MWR RailGear] Iron Sight Kit "DFNDR"

The "DFNDR" IRN sight is a simple take on a weapon scope that doesn't use optics, is super light weight and affordable. It features a quick dismount for the main rear sight with a tri point thumbscrew, stylish shape and a matching front sight.
 
 
 
Part comes preassembled and includes:
 
1x DFNDR IRN Sight Parts kit
 
1x Tripoint Thumb screw knob
 
1x 20mm m4 screw
 
3x m4 slim nut
 
2x 12mm m4 screw