The Hopup Chamber ME unit has a precision rotary dial design for fine hopup adjustments

Above the magazine pouches

Externally

Folds up when not in use to save space

High tension spring feeds BB into AEG with ease

TM 31RD MAGAZINE FOR HI CAPA 5.1 (CHROME) airsoft sniper The Hopup Chamber ME unitSPECIFICATIONS BRAND: TOKYO MARUI MATERIAL: DURABLE ALUMINUM ALLOY WITH POLYMER BASE MAGAZINE CAPACITY: 31 ROUNDS COLOR: CHROME COMPATIBILITY: FITS MOST HI CAPA GBB PISTOLS PACKAGE INCLUDES: 1X MAGAZINE FEATURES DURABLE ALUMINUM ALLOY DESIGNED ONLY FOR TOKYO MARUI AND MOST HI CAPA GBB PISTOLS HOLDS UP TO 31 ROUNDS FEATURES AN EXTENDED BASE PLATE FOR PROTECTION AND GRABBING GAS EFFICIENT CONSTRUCTION CONSISTENTLY FIRES BBS AT THE SAME OUTPUT