This is really impressive! https://www.unrealengine.com/en-US/blog/troll-showcases-unreal-engine-4-22-ray-tracing-with-unprecedented-cinematic-quality-lighting
The .223 is just a scaled up .222 bullet, same class as a .22 LR. Yes, quite a difference in cartridge length, but same class of caliber. Here is a pic of the official .22 LR dimensions: http://en.wikipedia.org/wiki/File:22_long_rifle.svg here is the .223 (which is not totally identical to the military 5.56) it is in…