The file 'Nerf Firestrike Cosmetic Barrel Shroud 3D Printer Model' is (STL) file type, size is 41.4KB.
The blaster shell may need cutting (i designed this around a Firestrike that was already cut). It is designed to sleeve around a 16mm metric PVC barrel and I found the length to be optimal with a light spring upgrade.
FirestrikeBarrel.STL | 153.7KB |