Thought I would just get a couple of Stryfe kits and throw them on a Demolisher. LOL, why did I think it would be easy? Oh, and integrate a nerf Chronobarrel also.
modulus_chrono_barrel | Blaster Hub
Nerf Modulus Ghost Ops ChronoBarrel by Nerf - Shop Online for Toys in the United States
REVIEW AND TEST: NERF MODULUS CHRONOBARREL (Extensive testing) – Foam From Above