Nerf N-Strike Modulus Upgrade Kit – Monkey Fish Toys
Amazon.com: NERF Modulus ECS Motorized Blaster, Removable Scope, Drop Grip, Barrel, Stock, 10-Dart Clip (Amazon Exclusive) : Toys & Games
THE BEAST ~ A Cosmetically Overkill Modulus ECS-10 With Better-than-average performance ~ LARP Blaster with HVZ Legal FPS ~ Specs In Comments! : r/Nerf
Complete enough) Modulus ECS-10 "AR-15" ish clone. <130 fps compliant for LARP, HVZ, and community games. : r/Nerf