Guarder Enhanced Loading Nozzle for Marui M&P9 GBB Ridged Trigger 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

SKU GP968 Item Weight (gram) 300 Major Color Black Length 515mm Adaptive End 14mm Clockwise Built Material Aluminum Manufacturer G&P

350mm Durable Enhanced 1 Piece Outer Barrel With Steel 65mm Flashider (14mm CCW)  Engraved " Stoner Rifle" Marking on body  UXR III Handstop included  UXR III 12

One full charge can power up to 100 shots of 3 BB's at a time

and genuine YKK

Guarder Enhanced Loading Nozzle for Marui M&P9 GBB Ridged Trigger Wiki's definition of AMOEBA isGuarder Enhanced Loading Nozzle for Marui M&P9 GBB Polycarbonate Construction Suitable for Tokyo Marui M&P9 Series Airsoft Gas Blow Black GBB Pistol This Enhanced Loading Muzzle is design to improve the durability of pistol Fix Original Part broken problem Loading Muzzle is the essential part for pushing BB into the Barrel Chamber after each shot Also increase the stability of each shot