38 Gram, Small Neck Threaded Type CO2 Cartridges

High pressure rated: 900 psi. These oversize ( widener in size but in standard threading)  38 gr CO2s are for specialized use only, such as longer, wider 2" barrels that require more volume to do the job.  Other uses may include custom devices for specialized use and done only by qualified people in the field of knowledge, which includes knowing the safe limits of your application.

All sizes have 3/8" x 24 NF threads. Standard in the field of the normal black or gray manual release valve. Also suited for some brands of life jacket refills. 

Our brand meets high US military and lifeguard standards.  This assures you that they will not jam or bend your firing pin.

Click link for basic technical information on CO2 Cartridges.