Yep. I learned how to completely disassemble my Glock and AR from watching youtube. Ive changed out internal parts like the trigger spring, etc by watching youtube.
Good instructional videos.
"I have a very strict gun control policy: if there's a gun around, I want to be in control of it."
- Clint Eastwood
Glock 26 w/CTC Lasergrips, and Trijicon Sights = Daily Carry