This bullet is created using the Moving Stripes animation using three colors yellow, green and blue. The animation is heading to the right.

 

This bullet is created using the Moving Stripes animation using three colors red, blue and yellow. The animation is heading to the right.

 

This bullet is created using the Rubber Clouds animation. No cell Pattern is used, the table was set to one cell sized 14X14.

 

This bullet is created using the Rubber Clouds animation.

 

This bullet is created using the Rotating Stripes animation.

 

This bullet is created using the Blinking Clouds animation.

The Wingdings font can be a source for cell patterns in creating bullets.