The Model P-51 Slingshot Kit features the famous Model P-51 slingshot with its sleek, molded pistol-grip handle, flexible wrist support, durable, latex rubber tubing and rugged release pouch. Also included with this kit are all the accessories you need to make the slingshot fun last for hours: 1 replacement band, 75 count 3/8" zinc-plated solid steel ammo and 250 count 1/4" zinc plated solid steel ammo