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Round Size: For Kronos XVIII-500, Helios XVIII-700, Apollo XV-700,Khaos MXVI-4000, Atlas XVI-1200, Artemis XVII-3000, Nemesis MXVII-10K and Zeus MXV-1200 blasters.
Has been tested extensively and proven to perform well.
Includes 50pcs rounds foam bullet balls, meet your multiple needs.
Non-toxic,to ensure the entertainment and security in the competition.
Foam bullet ball, good elasticity, far range, high hit-rate, light weight for game themed party.
YYID 50 100pcs Rival Refill Replace Round Balls Foam Bullet Balls Pack for Children Kids Toy Guns for Nerf Rival Blasters