Can Cannon Ammo

This is a projectile I made for the X Products Can Cannon. The Can Cannon is an upper receiver for an AR-15 rifle that uses .223 caliber blank rounds to launch 12oz soda cans and objects the diameter of 12 soda cans (about 66mm).I printed this at a 20% density to start. I have yet to test it out and see if it survives.
This is my 1st attempt and designing something on my own so it is a little basic.