APS - Guardian Tactical EBB Advance Special Rifle (ASR111) smg Wiki's definition of AMOEBA is

Wiki's definition of AMOEBA is a genus of Protozoa that consists of unicellular organisms which do not have a definite shape

AR15 Lite 7" Rail System Patent Pending Handguard

It was used in combat operations against separatists in the volatile North Caucasus region

The box magazine is made out of metal and is capable of holding 4000 rounds of BBs which is plenty

The APC is available in two sizes

APS - Guardian Tactical EBB Advance Special Rifle (ASR111) smg Wiki's definition of AMOEBA isSpecification: Type: EBB Material: Polymer, Metal Alloy Fire Mode: Semi Auto, Full Auto Hop up: Adjustable Length: 740mm 830mm (Extented) Barrel Length: 200mm Power Source: Battery (Mini Handguard) Barrel Thread Type & Diameter: 14mm Magazine Capacity: 300 Rounds Package includes: A. P. S. ASR 111 Guardian Tactical EBB Advance Special Rifle, 300 Rounds Metal Magazine, Instruction Manual, Original Box Feature: EBB Bolt Design Aluminum Receiver