These files contain parts to modify your Nerf Retaliator or Recon into a sniper / anti-materiel rifle. You just need a few feet of 32mm PVC tubing which acts both as the barrel and the stock shaft. The stock attachment that goes on the aft part of the blaster is secured with two small screws. I have provided 3mm diameter holes for that.
Note that a scope kit is currently under development, I will publish it once I've built one. Stay tuned!