It's not computer graphics. I made a sight scope props that looks like it came from the game world.
17:39
D.I.Y. OLED sight scope for airsoft. I used a Photon S 3D printer, a washable resin and an Arduino.
4:09
World’s First Commercial 3D Printed Coilgun - EMG-01A
16:55
Red Dot Sight Physics (How it Works)
29:15
I 3D-Printed a Glock to See How Far Homemade Guns Have Come
26:07
Primary Arms Red Dot Teardown
17:42
We Test Video Game Trick Shots With Real Guns
10:39
I Remade Star Wars VFX in 1 Week
19:52