SplatRBall Certified Pyro Easy Load Magazine that holds 550 rounds of SplatRBall 7.5 mm water ball ammo. Keep one additional magazine ready on hand and loaded for quick shooting action. Keep one additional magazine ready on hand and loaded for quick shooting action. After you re done shooting remove the magazine and insert your new mag for the next 550 rounds! This SplatRBall magazine has integrated LED s and an ON/FF switch that will make your SplatRBall Pyro ammo glow-in-the-dark. Compatible with SplatRBall SRB400 and SRB1200 series models. Product Features Charges SplatRBall PYRO ammo (glow-in-the-dark). Can also be used with SplatRBall orange ammo (ammo will not glow). 550 water gel ball round capacity. Integrated LED s, ON/OFF switch (two AAA batteries required, not included). Easy Loading. SplatRBall Certified. Gel ball magazine compatible with SplatRBall SRB400 and SRB1200 series models. This is the perfect accessory for your SplatRBall Blaster.