ESPER is a Mag-Fed Top-Slide-Prime or Pump Action Elastic String Powered Homemade Blaster design released as an Creative Commons Non-Commercial license file set by Captain Slug. Magazine not included.
Assembly Instructions: http://captainslug.com/nerf/EsperAssembly1.pdf
SilverFoxIndustries is an officially licensed seller.
3D Printed objects can be susceptible to heat. Take care not to leave them in a hot vehicle or other such place where high temperature may be a concern, or the parts may warp over time.
SilverFoxIndustries is not responsible for injury or damage due to misuse or accidents. Always wear proper eye protection when using and never aim at the face.
3D Printed Blasters, Blaster Kits, and Blaster Accessories require basic use of tool knowledge for assembly and maintenance, and are not suitable for children under the age of 14.