33 Gram Generic CO2 Cartridge, 1/2" Threaded

NOTE: Sales for these are limited to customers using the Hawk CO2 system or the Tinder Rocketry CO2 products. Contact us for a quote. Sold in groups of 4. These cartridges can be used with the Hawk CO2 Release system or the Raptor CO2 System with the 1/2" threaded adapter. The cartridges have 1/2" threads. Price is per unit. CO2 cartridges can only be ground shipped in the US.