Improper Cleaning can ruin your AR15 Bolt Carrier Group
4:27
The Dangers of using Bore Snakes on your AR-15
18:44
Worst Ever BCG AUTOPSY caught on camera. (See description)
3:52
Smyth Busters: AR-15 Bolt / Carrier Lubrication
15:23
How To Clean a Really Dirty AR15 Bolt Carrier Group BCG.
12:00
A Super Scientific Shooting and Moving Study
8:34
Cómo funciona un AR-15
29:28
Ideal AR Upper Receiver Tools & Techniques - Myth Unbusted
20:53