From Trash to Treasure - Overhauling a Longshot CS-6 : r/Nerf
REPLACEMENT Barrel Muzzle Tube for NERF LONGSHOT CS-6 RIFLE inner parts slide | #1854433185
Mod Works: Nerf Longstrike - Internals Guide!
NERF Longstrike Modulus Toy Blaster with Barrel Extension, Bipod, Scopes, 18 Modulus Elite Darts and 3 Six-Dart Clips for Kids, Teens, and Adults (Amazon Exclusive) : Toys & Games
2x Nerf Longstrike CS-6 Sniper Rifle Dart Guns Only Mod Or Parts | eBay