People are finding all kinds of way to shred time in competition. Cobalt Kinetics come up with a system that basically ejects the magazine when the last round is loaded to the chamber. When a fresh mag is inserted, the bolt is released automatically.
The system is only guaranteed to work with Cobalt Kinetics upper due to tolerance requirement. Putting a regular upper on the Cobalt Kinetics lower may not work reliably.
Here is a 43 second explanation.
How the magic happens:
The system is only guaranteed to work with Cobalt Kinetics upper due to tolerance requirement. Putting a regular upper on the Cobalt Kinetics lower may not work reliably.
Here is a 43 second explanation.
How the magic happens:

