Well thats the difference you are using an open bolt system from what it sounds like .... I tried the open bolt system and I absolutly hated it .. Very inconsistent and unreliable in my opinion... CO2 in the AWSS system on the other hand is much better ... I have watched guys do full mag dumps at the 0 degree (celcius) mark with bolts locking back crisply. There is somthing wrong with your CO2 mags (you can adjust the regulators on them you know). On my AWSS there is noticeable fps increase (this does depend on the tempurature, noticeable rate of fire increase, and recoil increase.
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