VIDEO: Paintball Gun Emergency/Home Defense Buttstock Kit
Universal design - compatible to all paintball guns (468, TI5, Milsig, Maxtact, RAP4, Tacamo). This setup let you use 88g or 90g cylinder when you don't have access to refill your air tank or can't fill your own tank.
Buttstock kit: https://mcsus.com/products/universal-paintbal-gun-co2-buttstock-kit-for-88g-90g-cylinder
468 Defender: https://mcsus.com/products/468-defender
TMC Defender: https://mcsus.com/products/tippmann-tmc-emergency-defender
The 88g or 90g disposable co2 cylinders are easily accessible, you can get them at a sporting goods shop or at Walmart. It also has a good cost count per cylinder, depending on the paintball gun, each cylinder can shoot from 80 to 150 shots.
If you are using a paintball gun for home defense or want to store your paintball gun for emergency use, this setup will let you do just that. This is because the cylinders have a seal which air will not be activated until the cylinder is punctured.