Bumped to top.
H/T to EveryDay, No Days Off blog for pointing out this video. They note that all homemade videos should be this good. They are right. Plus it has great music from Johnny Cash in the background. Enjoy!
UPDATE: PawPaw’s House discusses a quick mag change for the AR. In the video you can see it at about the .42 mark. From what I can see in the video, it is quick.