Worker 7 kg Spring Upgrade Kit for Nerf Rampage - Blaster-Time
Worker 12 kg Spring for Nerf Retaliator - Blaster-Time
Amazon.com: NERF Hyper Evolve-100 Blaster, 70 Hyper Rounds, Spring-Open Instant Reload Hopper, Up to 110 FPS Velocity, Eyewear Included : Toys & Games
Amazon.com: Nerf Pro Gelfire Legion Spring Action Blaster, 5000 Rounds, 130 Hopper, Protective Eyewear, Slam Fire, Ages 14 & Up : Toys & Games
Worker 14 kg Spring for Nerf Longshot - Blaster-Time
Worker 5kg Spring Upgrade Kit for Nerf Slingfire - Blaster-Time
Anyone know of a spring the EXACT diameter of the stock longshot spring and anywhere from 5kg-8kg? Need it for my Foam Knight XE. And yes, it's using a longshot plunger tube
Guide to Springs for Nerf Springer Blasters - YouTube
K25 Spring with squared ends (BETTER than McMaster) – Out of Darts
K25 Spring with squared ends (BETTER than McMaster) – Out of Darts
Worker 12 kg Spring for Nerf Retaliator - Blaster-Time
Amazon.com: WORKER 18KG Upgrade Spring Silver for NERF Rival Jupiter XIX-1000 : Toys & Games
K26 Spring 11" with square ends (BETTER than McMaster) – Out of Darts
The NIC Spring Database - General Nerf - NerfHaven
Rival Vision Spring (135+ FPS) – Out of Darts
Worker 12 kg Spring for Nerf Retaliator - Blaster-Time
Amazon.com: WORKER 18KG Upgrade Spring Silver for Nerf Rival Kronos (XVIII-500) : Toys & Games
Foam Focus K26 Universal Spring full length (28 cm) - Blaster-Time
Blaster Mod Upgrade Spring for Nerf Modulus Longstrike Blaster - BlasterMOD
Ultimate Guide to Springs for Springer Blasters – Frontline Foam
Nerf Replacement Drum Spring – FoamBlast Shop
Blaster Mod Upgrade Spring for Nerf Modulus Longstrike Blaster - BlasterMOD
Amazon.com: WORKER Mod Modification Upgrade Spring Sets for Nerf Rebelle Sweet Revenge and Nerf Zombie Strike Hammershot Blaster : Toys & Games
