JGCWorker Upgraded Spring for Nerf N-Strike Elite Delta Trooper F10555 NO.111 3D Printing adjustable frequency Increase the fun

adjustable frequency Increase the fun of playing

And the writing tablet is made from friendly material

very suitable for outdoor activities

range 25M+

JGCWorker Upgraded Spring for Nerf N-Strike Elite Delta Trooper F10555 NO.111 3D Printing adjustable frequency Increase the funSuitable: Appropriate for modification of Nerf N Strike Elite Delta Trooper. Advantage: This upgraded spring can provide stronger elastic force, increase the range on the original foundation, brings user better usage experience. Note: As the spring's elasticity is too strong, this accessory set provides special matched cylinder protection ring, O ring to replace the original ones, bring user better usage experience. Material: Made of superior imported