The Worker MOD spring is specially design for Swift blaster, this spring built by a 1.7mm wire that enpower your blaster.
Buffer pad for the plunger included to reduce damage when "dry" fire, it is optional but please be careful on use of strong spring.
Worker 1.8mm Wire Spring Coil Kit for Swift
SKU: BW0574
$7.50Price
Size (LxDia, mm): 350 x 11
Weight (g): 60
Color: Silver
Material: Music Wire
Fomation: Coil forming
Packing: PolyBag
Packing Size (LxWxH, mm): 360 x 20 x 20
