Worker 6kg spring for Nerf Disruptor Strongarm Flipfury modification upgrade | eBay
A little strongarm mod, removed air-restrictors (now it is able to shoot stefans),added a lens on the scope, and added a mozzle extension. : r/Nerf
Elite GUARDIAN. A pump action, drop cylinder strongarm update. : r/Nerf
custom-nerf-gun-mod-strongarm - InfiniGEEK
MOD] Double Strongarm Modification - YouTube
Maliang Science Fiction Pump Kit for the Nerf Strongarm Blaster : r/Nerf
NERF Strongarm N-Strike Elite Toy Blaster with Rotating Barrel, Slam Fire, and 6 Official Elite Darts for Kids, Teens, and Adults (Amazon Exclusive) : Everything Else