Wii Tech Hop-up Chamber & Steel Air-tight Nozzle - Tokyo Marui MP5 Recoil Shock Platform_AK the backpack also comes with

the backpack also comes with 4 D-Rings

This unit is also what transmits your current battery level to the PEQ Box display as well as protect your gun/battery from voltage drops

Comes in Green

Compartment will accept CR123 batteries

Wii Tech Hop-up Chamber & Steel Air-tight Nozzle - Tokyo Marui MP5 Recoil Shock Platform_AK the backpack also comes withThis enhanced Hop up set is made by precision CNC machines. The Air tight Loading Nozzle is made of 304 Stainless Steel, and the Hop up Chamber is made of 6063 Aluminium with hardcoat anodized finishing. This stainless steel loading nozzle must be used together with this aluminium Hop up chamber as a set only (This air tight loading nozzle does NOT fit original plastic Hop up chamber, and the original plastic loading nozzle does Not fit this aluminium