The Arcturus X CAT AR-15 Explorer 8.5" AEG is available at Airsoft-RUS and here is Alexander to tell you more about it. The Arcturus & Combat Artisan Tactical (CAT) jointly developed model features a split gearbox, folding telescopic buttstock, electronic key, spring pre-cocking adjustment, and replaceable buttstocks for various batteries. Its aluminum alloy body and M-lok forend offer versatility for mounting accessories. The standard RIS rail on the upper receiver allows for the attachment of sights and tactical equipment. The telescopic and folding buttstock includes a removable compartment for an additional battery and a smaller buttstock option. The split gearbox, made of aluminum alloy, is compatible with most standard parts, ensuring high maintainability and tuning possibilities. A microswitch replaces the contact group, providing a clear trigger actuation and high resistance to burnout. The model boasts a KW7-0 microswitch, an initial ball velocity of approximately 100 m/s, a 200mm inner barrel, a mechanical magazine capacity of 130/30 balls, an M-lok forend, and a T-type connector with a Mini-tamiya adapter.