Knex Heavy Pistol Cannon

This is my knex heavy pistol cannon it can go through a tin can. it shoots about 140 feet with 3 rubber band strings of 7 if you have the parts build it! happy building!

Step 1: Trigger and Handle Support\breech

how to build the trigger,handle support and breech

Step 2: Handle

how to build the handle and put it on the handle mount

Step 3: Barrel

this is how to make the barrel

Step 4: Support

how to build the support

Step 5: Putting It Together

putting it together

Step 6: Rubberbands

rubberbands