The purpose of the delayer is to keep HopUp chamber open for a longer time. It is mounted on the piston gear. It fit without gluing or fasten. Just press it between pin and axle. This small device could solve your problems with the bullets feeding. For exmaple on high-speed guns. Made of nylon.
E&L Airsoft
(EMEI LANDARMS) was established in December 2012. In 2013, E&L had launched the most authentic Airsoft AEG AK – AKM / AKS-74N / AKS-74MN / AK-74MN / AK-104PMC, and received extremely positive feedback & comment-“Redefines Realism”, “Ultimate AK AEG”, “Masterpiece” etc, quickly provoked a strong reaction from the first distributing market - Japan, Taiwan, Hong Kong and the Europe.
The E&L replicas are made of the same materials and with the manufacturing procedures as the real firearms - this makes these replicas totally unique.