COWCOW Technology Tornado Stainless Steel Threaded Outer Barrel for Tokyo Marui Hi-Capa 5.1 GBB Series (.40 marking) Originating-Armory_H&K Designed to fit directly over

Designed to fit directly over the flash hider

and Echo1 AR/ M4

Palsonite - Hard surface treatment to make steel surface more resistant against corrosion and wear

User doesn't have to buy batteries anymore

COWCOW Technology Tornado Stainless Steel Threaded Outer Barrel for Tokyo Marui Hi-Capa 5.1 GBB Series (.40 marking) Originating-Armory_H&K Designed to fit directly overCOWCOW Technology Tornado Stainless Steel Threaded Outer Barrel for Tokyo Marui Hi Capa 5. 1 GBB Series (. 40 marking) Stainless Steel Construction Engraved " . 40" Marking Suitable For Tokyo Marui Hi Capa 5. 1 Series Gas Blow Back GBB Pistol Fixed barrel design Spiral fluted to reduce the weight of the barrel as well as give it an aggressive look. 40 marking stamped into the barrel The inter threaded design is compatible with M11 threaded adapter