氣(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)操作依照原(yuan)(yuan)理(li)與(yu)不同槍(qiang)(qiang)(qiang)(qiang)(qiang)枝(zhi)的(de)(de)機(ji)(ji)械設計方式(shi)有分(fen)(fen)為(wei)四種(zhong)(zhong)(zhong)(zhong)(zhong)五類：第一種(zhong)(zhong)(zhong)(zhong)(zhong)是(shi)(shi)(shi)依賴活(huo)塞原(yuan)(yuan)理(li)進行(xing)槍(qiang)(qiang)(qiang)(qiang)(qiang)機(ji)(ji)運作的(de)(de)方式(shi)，亦即(ji)透(tou)過(guo)導(dao)流(liu)使氣(qi)體(ti)推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)塞，活(huo)塞連(lian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)(qiang)(qiang)機(ji)(ji)，透(tou)過(guo)這一串的(de)(de)程序(xu)完(wan)(wan)(wan)(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)運作。然而活(huo)塞的(de)(de)運作以(yi)行(xing)程為(wei)主(zhu)，以(yi)行(xing)程移(yi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)距離的(de)(de)長短(duan)劃分(fen)(fen)，而非以(yi)活(huo)塞的(de)(de)重量(liang)或者大小(xiao)劃分(fen)(fen)。第二種(zhong)(zhong)(zhong)(zhong)(zhong)是(shi)(shi)(shi)利用“收集”子彈的(de)(de)高壓氣(qi)之后再導(dao)流(liu)進入(ru)汽缸推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)塞或整(zheng)個槍(qiang)(qiang)(qiang)(qiang)(qiang)管連(lian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)到槍(qiang)(qiang)(qiang)(qiang)(qiang)機(ji)(ji)進行(xing)完(wan)(wan)(wan)(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)運作。第三種(zhong)(zhong)(zhong)(zhong)(zhong)是(shi)(shi)(shi)利用第二種(zhong)(zhong)(zhong)(zhong)(zhong)“收集”氣(qi)體(ti)的(de)(de)原(yuan)(yuan)理(li)進行(xing)推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)(qiang)(qiang)管連(lian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)(qiang)(qiang)機(ji)(ji)完(wan)(wan)(wan)(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)運作。后一種(zhong)(zhong)(zhong)(zhong)(zhong)是(shi)(shi)(shi)經由氣(qi)導(dao)管導(dao)流(liu)氣(qi)體(ti)向(xiang)后“吹送”槍(qiang)(qiang)(qiang)(qiang)(qiang)機(ji)(ji)完(wan)(wan)(wan)(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)運作。因此(ci)我們(men)大約可以(yi)分(fen)(fen)為(wei)：短(duan)行(xing)程活(huo)塞傳動(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)（Short stroke）。長行(xing)程活(huo)塞傳動(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)（Long stroke）。氣(qi)井集氣(qi)操作（Gas trap）。槍(qiang)(qiang)(qiang)(qiang)(qiang)口(kou)增壓器（Muzzle booster）。直噴式(shi)氣(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)操作（Direct impingement；也稱為(wei)Direct Gas Action）。