Golf ball cannon almost done, I just need a stronger spring for the firing mechanism : r/DIYGuns

How easy is it to make a homemade firearm? - Quora

Golfball Mortar Cannon Building and Firing

Pneumatic Golfball Cannon- Shoots 450+ Yards! : 12 Steps - Instructables

Fully-automated Golf Ball Gun

Homemade golf ball cannon firing : r/DIYGuns

AR-15 Golf Ball Launcher! Golf Ball Launcher 400+ Yards

The only open bolt user manual you will ever need : r/DIYGuns

Pneumatic Golfball Cannon- Shoots 450+ Yards! : 12 Steps - Instructables

The only open bolt user manual you will ever need : r/DIYGuns

Golf Ball Gun!!! How to Make One That Can Shoot 400+ Yards! : 9 Steps (with Pictures) - Instructables

What difference would it make if the recoil spring of an anti-materiel rifle were to be wrapped around the barrel, so that the entire barrel and bolt assembly will recoil backwards together

Golfball Mortar Cannon Building and Firing

Pneumatic Golfball Cannon- Shoots 450+ Yards! : 12 Steps - Instructables

How Lethal is a Golf Ball CANNON??? (vs Head)