Made from a good quality oil quenched / tempered steel wire, these springs are a good alternative to the best on the market XT springs. Please note the wire can sometimes be a little dry which can lead to rust, please inspect before fitting.
Please note: AEG power is dependent on many factors, these have been tested with the following setup:
sp90, sp100 & sp110 Test Setup
300mm inner barrel
Lonex hop chamber (set to off)
ZCI 60 Bucking and Nub
3/4 Cylinder
No AOE correction
No bearing on Piston Head
Bearing on Spring Guide
0.2g BB
sp90 = 95 MPS / 311 FPS
sp100 = 110 MPS / 360 FPS
sp110 = 115 MPS / 387 FPS
sp120, sp130, sp140 & sp150 Test Setup
450mm inner barrel
Lonex hop chamber (set to off)
ZCI 60 Bucking and Nub
Full Cylinder
No AOE correction
No bearing on Piston Head
Bearing on Spring Guide
0.2g BB
sp120 = 127 MPS / 416 FPS (116 MPS / 380 FPS with 0.25g)
sp130 = 150 MPS / 492 FPS (134 MPS / 440 FPS with 0.25g)
sp140 = 152 MPS / 498 FPS (136 MPS / 446 FPS with 0.25g)
sp150 = 158 MPS / 518 FPS (140 MPS / 460 FPS with 0.25g)




