PeleusTech Worker Upgrade Spring, 6KG Modification Upgraded Spring Kit for Nerf FlipFury/Strongarm/Rebelle Spylight

Nerf Official N-Strike Elite Strongarm Blaster (Amazon Exclusive)

5kg Spring, PeleusTech Worker 5KG Modification Upgraded Spring for Nerf Zombie Doublestrike

Nerf Rival Phantom Corps Kronos XVIII-500

2x O-rings for Nerf Recon, Longstrike, Raider, Deploy, Maverick, Sharp Shot, & Spectre

Worker Mod 22 Darts Magazine Quick Reload Clip for Nerf N-strike Elite Color Clear

Maverick and Spectre Upgrade Spring (6+ Kg)

Retaliator Spring, PeleusTech Worker 12KG Modified Upgraded Spring Kit for Nerf Retaliator Blaster

Nerf N-Strike Elite Retaliator

Nerf Modulus Stryfe (Amazon Exclusive)

3x 5KG Upgrade Springs for Nerf Double Dealer, Recon, Alpha Trooper, Longstrike, Raider, and Deploy