You must be logged in and verified to contact the designer.
Product Description
A single barrel spacer for the KJW KC-02. It has cuts for O-Rings on the inside and outside of the spacer. The spacer is designed for #41 O-Rings for the outside cuts and #83 O-Rings on the inside cuts. Please refer to this video for a demonstration of how to use the spacer: http://youtu.be/uWEOPQMMp-I