Aimed Research is making very high speed videos of ammunition testing.  By slowing down bullet impacts, we can see what really happens and hopefully improve future bullet performance.

Take this video of a shotgun shell loaded with flechettes:

While this video doesn’t prove that all shotgun shell flechette rounds are worthless, it certainly should give you pause if you are relying on them without performing your own testing.

How much does an AK-47 barrel flex when firing?  In this 14,202 frame per second video you can see exactly how much:

A range test for Cutting Edge Bullets produced this video, filmed at 10,000 fps.