Perfect Metal Chamber

The structure is integrally molded and using O-ring on the part which connect to Magazine. It improves the airtightness and make Bullet feeding smoothly.

Moreover, there is a stopper and accuracy ring with new mechanism which control the rotation of inner barrel. It makes a centering of inner barrel and fix firming. This is the strike chamber set which improve HOP-UP performance. The performance will be much higher if using with Metal Chamber Set.