Here you will find information about the "SmartMag" and the "Magic Box" that S.P came up with years ago. Muzikman does a great job explaining them.
There are two different things Smart Parts did. First they make a thing called a "Magic Box." This was a black box that was attached to the side of the air chamber on a Mag.
BW Twistlock Automag Barrel Detents
That's a great point! The Tippmann-style detent design is indeed interesting, offering potential advantages for other applications.
jannickz Today, 03:07 AMDurability: