Yes, the Vortex OPMOD StrikeFire II 1x30 mm 4 MOA Red Dot Sight will work in conjunction with your Talon Armament AR15.
The Vortex OPMOD StrikeFire II 1x30 mm 4 MOA Red Dot Sight can withstand the recoil of a 12 gauge shotgun.
This item does NOT have the Shake Awake feature.
Yes, the Vortex OPMOD StrikeFire II 4 MOA Red Dot Sight Tan finish is similar to FDE but maybe a little lighter.
is this an auto on sight
The Vortex OPMOD StrikeFire II 4 MOA Red Dot Sight does not have a QD mount. The mount for the Vortex OPMOD StrikeFire II 4 MOA Red Dot Sight is a 30mm single ring cantilever mount, so the mount at the link below should work.
https://www.opticsplanet.com/midwest-industries-qd-ring-mount-aimpoint-pro.html
Yes, the Vortex OPMOD StrikeFire II 4 MOA Red Dot Sight will mount to the flat-top picatinny rail on your DB15.
The Vortex OPMOD StrikeFire II 4 MOA Red Dot Sight comes with a picatinny rail mount and does not require a riser.
Yes, this should be compatible
If your Deawoo 200 has a Picatinny rail in front of the reaper sight, this will mount to that Picatinny rail.