Apocalypse Rifle with CO2 Sodastream Bottle

thingiverse

The aim was to design a weapon that does not require complex mechanical components and can be manufactured with fairly simple means. The basis is a CO2 bottle from a Sodastream (TR21x2 thread). This is opened by a hammer valve. The air drives a 40mm projectile and releases it from the barrel (hopefully at high speed :-D ). The outer plates can be milled (from 5mm aluminium). This can be used as the stock: https://www.thingiverse.com/thing:3064137 The projectiles are reloaded individually. The hammer valve is automatically cocked during the loading process. The whole thing is still in the development and test phase :-). Pictures will follow.