NOTES FROM LUKE: This precut Rival Hypnos spring is cut from a K26 and has been tested to match your blaster. This mod is not for young kids! You'll need fairly strong hands to prime this spring. This spring has been custom cut and tested to fit the Hypnos blaster.
FEATURES: -Medium to Hard on installation difficulty -One end will be flat/squared, the other will be a raw cut. -123+ FPS
SPECS: -Cut-to-Length Compression Spring, -Spring-Tempered Steel -Made in the USA of USA steel -15 coils, hand cut, flat on one end.