https://www.instructables.com/Nerf-Vulcan-Sentry-Gun/
Nerf Vulcan Sentry Gun : 11 Steps (with Pictures) - Instructables
Nerf Vulcan Sentry Gun: In this instructable, I will show you how to modify a Nerf Vulcan to automatically aim and fire at targets. As an added bonus, this gun...
nerf vulcansentry gun11stepspictures
https://www.instructables.com/The-Ultimate-Nerf-Vulcan-Mod/
The Ultimate Nerf Vulcan Mod : 8 Steps - Instructables
The Ultimate Nerf Vulcan Mod: We made a NERF chaingun fire about as fast as a 7.62mm M60 Machine gun. That's around 500 rounds per minute (RPM). We did two...
the ultimatenerf vulcanmod 8stepsinstructables