7-8mm : FOR ALL OUR ORIGINAL GEL BLASTERS. Glock 17, Glock 18, Desert Eagle, Beretta M92, HK416, M4 Terminator, M249, M4 Viper 5th Gen, Kriss Vector, AK-47 etc...
How to use them?
Drop the small dry balls in some water for 3-4 hours. Once they swell up, you're ready to play!
there must be some water left.
If not, it means that the balls are not at their maximum size and the product will not shoot: