Hunter Airsoft give their take on the Poseidon M4 DMR Avenger 5 that they have in stock. The Poseidon M4  Avenger 5 is a DMR with retractable stock, QD sling mounts, metal parts, and tan and bronze color. Hop-up is adjustable. Body is nylon and metal. Furthermore, the sights are foldable, removable and adjustable. Top rail for accessories. Magazine is MidCap with 180 BBs. Be smart with shots. Trigger is electronic and programmable. Mosfet in trigger plate. It has a quick spring release system without the need for tools.