Spring for GJ 98K

For a GJ 98k/M24 a lengthened 1.3 spring would be the max to use without causing problems to box ?

Cheers WhiteYeti.

If you got metal internals the highest would be 1.4, after that its just too much to pull back. 1.3 is the safest for plastic internals

Thnxs for the reply Sam, will stick to 1.3.
Cheers WhiteYeti.