You must be logged in and verified to contact the designer.
Product Description
Connector parts to help you modify the Nerf N-Strike Elite StrongArm so that it has three rotating cylinders. The full instructions on how to use these two parts to modify your Nerf StrongArm is located here:
https://www.instructables.com/id/18-Shot-Nerf-Strongarm/
Nerf equipment used for illustration of these connector parts are not included. You can get the Nerf N-Strike Elite StrongArm from Amazon here:
http://www.amazon.com/gp/product/B00DW1JT5G?ie=UTF8&tag=airpower3d-20&linkCode=as2&camp=1789&creative=9325&creativeASIN=B00DW1JT5G
Disclaimer: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.