氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)依照原理(li)與不同槍枝(zhi)(zhi)的(de)(de)機械設計方(fang)式(shi)(shi)有分(fen)為(wei)四(si)種(zhong)(zhong)(zhong)五類：第(di)一種(zhong)(zhong)(zhong)是依賴(lai)活(huo)塞(sai)(sai)(sai)(sai)(sai)原理(li)進(jin)(jin)行(xing)槍機運(yun)作(zuo)(zuo)(zuo)的(de)(de)方(fang)式(shi)(shi)，亦即透過導(dao)流(liu)使氣(qi)(qi)(qi)(qi)(qi)體推(tui)(tui)動(dong)(dong)(dong)(dong)活(huo)塞(sai)(sai)(sai)(sai)(sai)，活(huo)塞(sai)(sai)(sai)(sai)(sai)連動(dong)(dong)(dong)(dong)槍機，透過這(zhe)一串的(de)(de)程(cheng)(cheng)序完成(cheng)(cheng)槍枝(zhi)(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)作(zuo)(zuo)(zuo)。然而活(huo)塞(sai)(sai)(sai)(sai)(sai)的(de)(de)運(yun)作(zuo)(zuo)(zuo)以(yi)行(xing)程(cheng)(cheng)為(wei)主，以(yi)行(xing)程(cheng)(cheng)移動(dong)(dong)(dong)(dong)距離的(de)(de)長短(duan)劃分(fen)，而非以(yi)活(huo)塞(sai)(sai)(sai)(sai)(sai)的(de)(de)重量或(huo)者大小(xiao)劃分(fen)。第(di)二種(zhong)(zhong)(zhong)是利用(yong)“收(shou)(shou)集(ji)(ji)”子彈的(de)(de)高壓氣(qi)(qi)(qi)(qi)(qi)之后(hou)(hou)再導(dao)流(liu)進(jin)(jin)入汽缸(gang)推(tui)(tui)動(dong)(dong)(dong)(dong)活(huo)塞(sai)(sai)(sai)(sai)(sai)或(huo)整個槍管(guan)連動(dong)(dong)(dong)(dong)到槍機進(jin)(jin)行(xing)完成(cheng)(cheng)槍枝(zhi)(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)作(zuo)(zuo)(zuo)。第(di)三(san)種(zhong)(zhong)(zhong)是利用(yong)第(di)二種(zhong)(zhong)(zhong)“收(shou)(shou)集(ji)(ji)”氣(qi)(qi)(qi)(qi)(qi)體的(de)(de)原理(li)進(jin)(jin)行(xing)推(tui)(tui)動(dong)(dong)(dong)(dong)槍管(guan)連動(dong)(dong)(dong)(dong)槍機完成(cheng)(cheng)槍枝(zhi)(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)作(zuo)(zuo)(zuo)。后(hou)(hou)一種(zhong)(zhong)(zhong)是經(jing)由氣(qi)(qi)(qi)(qi)(qi)導(dao)管(guan)導(dao)流(liu)氣(qi)(qi)(qi)(qi)(qi)體向后(hou)(hou)“吹送”槍機完成(cheng)(cheng)槍枝(zhi)(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)作(zuo)(zuo)(zuo)。因(yin)此我們(men)大約可(ke)以(yi)分(fen)為(wei)：短(duan)行(xing)程(cheng)(cheng)活(huo)塞(sai)(sai)(sai)(sai)(sai)傳動(dong)(dong)(dong)(dong)式(shi)(shi)（Short stroke）。長行(xing)程(cheng)(cheng)活(huo)塞(sai)(sai)(sai)(sai)(sai)傳動(dong)(dong)(dong)(dong)式(shi)(shi)（Long stroke）。氣(qi)(qi)(qi)(qi)(qi)井集(ji)(ji)氣(qi)(qi)(qi)(qi)(qi)操(cao)作(zuo)(zuo)(zuo)（Gas trap）。槍口增壓器（Muzzle booster）。直(zhi)噴式(shi)(shi)氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)（Direct impingement；也稱為(wei)Direct Gas Action）。