Bolt Carrier Mass - A Nerdy Theoretical Discussion
11:00
Titanium Bolt Carrier, What's the Difference? Walker Defense
29:28
Ideal AR Upper Receiver Tools & Techniques - Myth Unbusted
11:57
Ask Ian: Why Does the AR15 Have a Buffer Thingie?
1:12:57
The QBZ95 small arms family (and its accessories)
23:42
2 JP FMOS BCG Physicals
20:20
Velocity Precision Recoil-less Bolt Carrier
13:26
NEW - WLVRN & Sabertooth with Nick Young
18:28