The new SSS E-Trigger System imported the piston Pre-cocking feature and the Microswitch Trigger technology, which greatly increased the rate of fire and trigger sensitivity while firing.

If the product is operating correctly, it is not necessary to run self-diagnostics.
00:07 How to activate the Self-diagnosis Function

The Short-Stroke Flat Trigger will increase the rate of fire and trigger sensitivity while firing. 【MA-456】MARS Short-Stroke Flat Trigger (SSS Only)

ICS AK74SU,

This unboxing video is an older one, that comes from one of my other channels. To make it more organized, I decided to only use 1 channel to upload my videos. That means that sometimes an older video will be shown here. But, it's still a relevant video.