We've tested multitudes of old and new DI AR15s on this channel and all of them have flown through the mud test without any issues whatsoever.
The H&K 416 piston gun is all the rage now-a-days and garnering significant military adaptation. How will it fare in the mud test?
InRange is an online video program dedicated to the study of guns, shooting, gun culture, and history. We dispel the myths, promote the good stuff that hasn't gotten the attention it deserves.