AKA Metal Adjustable Hopup – Long handguards Its choice of 20mm Picatinny

Its choice of 20mm Picatinny mount

Another great feature of this FCU is its integral Motor Control Unit (MCU) which allows it to run a box magazine through the MCU port

2 Gear Box of M4/M16 series Airsoft AEG Rifles

WST tactical anti-fog MASK – Black

Type : M4/AR15 type handguard

AKA Metal Adjustable Hopup – Long handguards Its choice of 20mm PicatinnyAKA brand is now behind some of the best quality products on the market and now bringing you guys the metal Hop Ups. Made from alloy for greater strength. Will increase the accuracy and distance of your gel blaster. Adjustable via a grub screw. Fit with 9. 5mm size inner barrel. Outer size of the Hop Up is 16mm so make sure the inner diameter of your outer barrel is larger than that. To reach the best performance, you need to insert this Hop Up onto