THE BASIC PRINCIPLES OF HK416 GEL BLASTER JM J13 HK416C

don't up grade any component of one's toy gel blaster as this may void the guarantee. Upgrades consult with pulling any with the blasters apart or opening it up, changing springs, or upgrading the battery from 7.4v to an 11.v battery. cleansing: routinely clean up your gel blaster, especially right after use, to get rid of any dirt, debris, or gel