Wikipedia wrote:Caseless ammunition is an attempt to reduce the weight and cost of ammunition by dispensing with the case, which is typically precision made of brass or steel, as well as simplify the operation of repeating firearms by eliminating the need to extract and eject the empty case after firing.
Also, that gun DOES have an ejection port. It's the slot right above the magazine. That's the ejection port for that receiver. what needs to happen is the magazine needs to be moved down a little bit and the receiver extended below the ejection port.














