2 thrift trips, wanted a sweet revenge; so went looking for a hammershot but came out with an orange mod works final stage kit on a strongarm AND the SR. $10 for
Nerf N-Strike Elite Strongarm Main Spring Replacement - iFixit Repair Guide
nerf strongarm mod" 3D Models to Print - yeggi
Mod Guide - Strongarm REV-6 - Modifications - NerfHaven
Amazon.com: NERF Elite Strongarm, Rotating Barrel, Slam Fire, 6 Darts (Amazon Exclusive) : Toys & Games
nerf strongarm | Strongarm Nerf N-Strike Elite Toy Blaster with Rotating Barrel, Slam Fire, and 6 Official Nerf Elite Darts for Kids, Teens, and Adults - Amazon Exclusive