Extension springs are steel coils designed to resist deformation when its ends are pulled away from each other. Below are all our currently available small extension springs used for mechanical blaster parts, like triggers, catches, and mag releases. Available in a variety of sizes to purchase for maintenance or repair of select blasters, or for custom mod projects. Organized by free length and wire diameter. Having trouble finding what you're looking for? E-mail us! FEATURES:• Small Extension Springs• Resists pulling forces• Used for blaster triggers + mag releases• Multiple options available INCLUDES:• 1 Spring in the size of your choice COMPATIBILITY:Breacher, Caliburn, Talon Claw + more• SPR-047: Most common Trigger + Mag Release Spring SPECS:• Material: Spring Steel• Dimensions: Varies• Weight: Varies LINKS:• Small Compression Springs• Extension Springs• More hardware