Spacer is designed to slide over popular AirsoftPro HopUp chamber for Well MB-01 ... etc (SKU 4366, see below). It allows to use chamber + spacer in E&C SAG L96 sniper rifles. Because it needs larger outer diameter. The spacer ring is made of plastic and wont scratch chamber or barrel. Just slide it over and align holes.

Easy to apply. Enjoy new HopUp chamber option for your gun!

Notification: Red chamber on the photos is not included in the packing. It has to be purchased separately. Find it on our eshop. It has product number 4366.