WORKER 18kg Spring Mod Kit for Nerf Rival Jupiter XIX-1000 – JGCWorker
WORKER 14KG 18KG Modification Upgraded Spring for Nerf LONGSTRIKE Children Toy Gun Supplies Spring Accessories Easy Installation - AliExpress
X-Shot LongShot 9/14/18/22KG Spring Coil | AK Blaster MOD
Nerf LongShot Barrel 4.5KG Spring Coil | AK Blaster MOD
10.5KG OOD Longshot Spring – Out of Darts
How To: The Nerf Longshot CS-6 Mod Tutorial (AR Removal, Spring Replacement, Stock Reinforced) - YouTube
Mod Works: Nerf Longshot Mod Guide!
Elite Nerf Longshot CS-6 Mod Guide (Nerf N Strike Elite Longshot CS-6 with Orange Mod Works Kits) - YouTube
13KG Upgrade Spring for Nerf Zombie Strike ZED Squad Longshot CS-12 Blaster Toy - Etsy
Longshot mod, 14kg spring : r/Nerf
What mods are needed to accommodate an 18kg spring for a nerf longshot : r/ Nerf
14+ KG Upgrade Spring for Nerf Longshot
Orange Mod Works 8+ KG Upgrade Spring for Nerf Longshot & Zombie Strike Longshot | eBay
Worker MOD Spring Coil Upgrade Kit for Nerf LongShot Blaster | eBay
Worker Cheetah Upgrade Spring - Blaster-Time
Amazon.com: WORKER Spring Upgrade Kit Silver Metal for N-Strike Longshot CS-6 / Zombie Strike ZED Squad Longshot CS-12 Blaster Modify Toy (22 KG) : Toys & Games
Worker 9KG Modification Upgraded Spring Kit for Nerf Longshot CS-6/Zombie Longshot CS-12 - Silver - Walmart.com
Amazon.com: WORKER Upgrade Spring Kit Silver Metal for Nerf Longshot CS-12 Modify Toy (18KG) : Toys & Games
4.5KG Upgrade Spring for N-strike Longshot CS-6 Front Barrel Blaster Attachment Toy - Etsy