WORKER Metal Fine Gears Upgrade Mod Kit Set for Nerf Stampede ECS-60 B – JGCWorker
Nerf Stampede internals after (brass breech for full lenghts and expanded plunger tube - nerfmod post - Imgur
Nerf Stampede cycle control plate replacement by grubby raccoon (Jyang) | Download free STL model | Printables.com
How To: The Ultimate Stampede ECS Mod Tutorial (Size Reduction, Voltage, and AR removal) - YouTube
The internals of the weird unholy abomination of stampede and long strike blaster I got a couple weeks ago. Oddly enough they are really simple internals, probably gonna mod it to take