COWCOW Tech OB1 5.1 Threaded Outer Barrel (.45 marking) for Tokyo Marui Hicapa GBB Series (Silver) HK45CT Many cheaper replica sights have

Many cheaper replica sights have weak springs and loose screws that make them vulnerable to sight zero shift after being exposed to strong recoil airsoft GBBs (such as the GHK G5) or gearbox vibrations

The marking

it will release the spring in the gear box back to normal state

One of the hardest kicking Green gas pistols in airsoft

The carbon offers a striking hi-tech appearance

COWCOW Tech OB1 5.1 Threaded Outer Barrel (.45 marking) for Tokyo Marui Hicapa GBB Series (Silver) HK45CT Many cheaper replica sights haveFull CNC machined with Stainless Steel material. 2 markings (ie . 45 and . 40) engraved on the side of Barrel. The inter threaded design is compatible with M11 threaded adapter (Also our A01 Silencer Adapter). It is designed for Hi Capa 5. 1 and there are 2 colours option: Polished Silver, Titanium Black and Titanium Gold. *PS: Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith.