In the 12 gram CO2 cartridge samples tested by HAM, Crosman clearly provided the highest average CO2 fill, followed by the Gamo cartridges. As we saw earlier, the Crosman Powerlets are manufactured in the USA. The Gamos are produced in Hungary.
All of the other 12 Gram CO2 cartridges in this HAM review were manufactured in Taiwan. Although I don’t know for sure, it seems likely that there’s only one company in Taiwan manufacturing CO2 cartridges. It’s called Banza Stamping.
So, all the Taiwanese cartridges – branded ASG, SIG SAUER, Daisy and Umarex – probably came from the same production line. This leads us to conclude that – whatever their other benefits – the average 12 Gram CO2 cartridge produced in Taiwan is likely to contain just a little less than 12 Grams of CO2.
But before we get too excited about these results, remember that whenever a 12 Gram CO2 cartridge in loaded into a firearms-replica air pistol, there’s almost always a little blast of CO2 as the cartridge is pierced.
That’s a waste of CO2. And I’d be prepared to bet that it’s more gas lost than the amount any of the CO2 cartridges we tested contained less than 12 Grams of CO2!
So, in future, when we count the number of shots available from any 12 Gram CO2-powered air pistol, we’ll need to allow for the manufacturing variation found in this review, plus the gas lost during the piercing process.
In the 12 gram CO2 cartridge samples tested by HAM, Crosman clearly provided the highest average CO2 fill, followed by the Gamo cartridges. As we saw earlier, the Crosman Powerlets are manufactured in the USA. The Gamos are produced in Hungary.
All of the other 12 Gram CO2 cartridges in this HAM review were manufactured in Taiwan. Although I don’t know for sure, it seems likely that there’s only one company in Taiwan manufacturing CO2 cartridges. It’s called Banza Stamping.
So, all the Taiwanese cartridges – branded ASG, SIG SAUER, Daisy and Umarex – probably came from the same production line. This leads us to conclude that – whatever their other benefits – the average 12 Gram CO2 cartridge produced in Taiwan is likely to contain just a little less than 12 Grams of CO2.
But before we get too excited about these results, remember that whenever a 12 Gram CO2 cartridge in loaded into a firearms-replica air pistol, there’s almost always a little blast of CO2 as the cartridge is pierced.
That’s a waste of CO2. And I’d be prepared to bet that it’s more gas lost than the amount any of the CO2 cartridges we tested contained less than 12 Grams of CO2!
So, in future, when we count the number of shots available from any 12 Gram CO2-powered air pistol, we’ll need to allow for the manufacturing variation found in this review, plus the gas lost during the piercing process.







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