THE BEAST ~ A Cosmetically Overkill Modulus ECS-10 With Better-than-average performance ~ LARP Blaster with HVZ Legal FPS ~ Specs In Comments! : r/Nerf
Nerf Modulus ECS-10 - Nerf
Nerf N-Strike Modulus ECS-10 - Overview - YouTube
Nerf Modulus Tracker ECS-10
Nerf Modulus ECS-10 Core - Walmart.com
MOD GUIDE] How to Modify the Nerf Modulus ECS-10 - YouTube