Rossi goes over the affordable Cyma CM506 which is an M4 RIS CQB AEG. This configuration is popular amongst airsoft players before the KeyMod and M-Lok rail systems entered and the Cyma CM506 is made mainly of polymer, making it lightweight and highly recommendable to airsoft beginners.

A quick one by Airsoft Sports, a Russian airsoft retailer, on the CYMA CM506 M4 AEG they have in stock... "A short review of the Cyma CM506 M4 CQB airsoft gun. You can buy and get acquainted with more detailed technical characteristics on our website."