Guarder Stainless Chamber for Marui .45 Series (B, Colt)

Guarder Stainless Chamber for Marui .45 Series (B, Colt) 
Unlike stock plastic chamber which would bend & de-shape, this metal one give you rigidity 
Stainless STEEL made, greater durability 
CNC Machined 
Engrave "SA 45 AUTO DANGER EXHAUST PORTS READ MANUAL" Marking 
Highly recommend for upgraded Airsoft Gas Blow Back Gun to withstand higher air pressure 
Require expert on installing into stock GBB Gun 
As always, upgrading GBB Gun require necessary skill & technique to dissemble the gearbox, consult expertise if needed