A look at the ARP9 3.0 AEG that is in stock at 41PX in Japan. This AEG features an ultra-lightweight polymer SR receiver retains all the positives of previous ARP9 generations, featuring a 4.5-inch metal M-LOK rail system, MOSFET-Integrated Gearbox (MIG) with quick-change spring guide, and a rear-wired CHFS folding stock that houses the battery in the buttpad. The FCCM magazine has a new multi-follower feeding system, and there are newly-designed motor grip and magazine release. The package includes a vertical grip and mock suppressor.