eHobby Asia announce the availability of this entry level M4A1 AEG with a Hybrid Gearbox from APS... "PR301 is our first plastic gun model in PR Series. Every accessories you found on the gun are changed to plastic. For example, the carry handle, the Front/Rear Sight and even the muzzle are all plastic. The total weight of this gun is just 2kg. Standard guns comes with metal gear box with velocity 320 FPS.

Not exactly a very new video, but nevertheless interesting to post. What makes the APS HYBRiD Gearbox unique from others already in the market? Well, here's a 3D animation video uploaded by Arnies Airsoft on their behalf. It features the different aspects of the gearbox such as the electric blowback and quick spring changes with their G110 and G130 spring to increase or decrease muzzle velocity.