Quote:
Originally Posted by Kos-Mos
All APS springs under 120% are "7mm" compatible.
also, a SP120 (LayLax SP120) will give you around 400 fps (in a BA). A SP100, should be sub 350.
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but they would be too long to start and would need to be cut so its hard to choose based on the fps the sring provides in its original state.
@OP
you can put some kind of spacer inside the piston where the spring rests if it it too loose / rattles around or even jb weld it to the piston tho thats a lil more permenent and will effect your final fps as well cause the piston likely wont travel fully forward so itll have a shorter compresion cycle, a spacer would be beter, id say maybe s lid off of somethin like a pop bottle (probably too wide) or off of a trave sized shampoo or hand cream. Check the doller store i think they have a lil travel kit thing with a few diferent sized bottles, or even home depot check out diferent sized "caps" for pvc plumbing pipe