氣動(dong)(dong)(dong)(dong)操(cao)(cao)作(zuo)(zuo)依照(zhao)原(yuan)理與不同槍(qiang)枝的(de)(de)(de)(de)機(ji)械(xie)設計(ji)方(fang)式有(you)分(fen)(fen)為(wei)四種(zhong)(zhong)(zhong)五類：第(di)(di)(di)一種(zhong)(zhong)(zhong)是(shi)(shi)依賴活(huo)(huo)塞(sai)(sai)(sai)(sai)原(yuan)理進行(xing)(xing)槍(qiang)機(ji)運(yun)(yun)(yun)作(zuo)(zuo)的(de)(de)(de)(de)方(fang)式，亦即透(tou)過(guo)導(dao)流(liu)(liu)使氣體推動(dong)(dong)(dong)(dong)活(huo)(huo)塞(sai)(sai)(sai)(sai)，活(huo)(huo)塞(sai)(sai)(sai)(sai)連(lian)動(dong)(dong)(dong)(dong)槍(qiang)機(ji)，透(tou)過(guo)這(zhe)一串的(de)(de)(de)(de)程(cheng)序完成(cheng)(cheng)槍(qiang)枝的(de)(de)(de)(de)自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)。然(ran)而活(huo)(huo)塞(sai)(sai)(sai)(sai)的(de)(de)(de)(de)運(yun)(yun)(yun)作(zuo)(zuo)以行(xing)(xing)程(cheng)為(wei)主，以行(xing)(xing)程(cheng)移動(dong)(dong)(dong)(dong)距離的(de)(de)(de)(de)長短劃分(fen)(fen)，而非以活(huo)(huo)塞(sai)(sai)(sai)(sai)的(de)(de)(de)(de)重(zhong)量或者大(da)小劃分(fen)(fen)。第(di)(di)(di)二(er)種(zhong)(zhong)(zhong)是(shi)(shi)利(li)用“收集(ji)”子彈(dan)的(de)(de)(de)(de)高壓(ya)氣之(zhi)后再導(dao)流(liu)(liu)進入汽(qi)缸推動(dong)(dong)(dong)(dong)活(huo)(huo)塞(sai)(sai)(sai)(sai)或整個槍(qiang)管(guan)(guan)連(lian)動(dong)(dong)(dong)(dong)到槍(qiang)機(ji)進行(xing)(xing)完成(cheng)(cheng)槍(qiang)枝的(de)(de)(de)(de)自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)。第(di)(di)(di)三種(zhong)(zhong)(zhong)是(shi)(shi)利(li)用第(di)(di)(di)二(er)種(zhong)(zhong)(zhong)“收集(ji)”氣體的(de)(de)(de)(de)原(yuan)理進行(xing)(xing)推動(dong)(dong)(dong)(dong)槍(qiang)管(guan)(guan)連(lian)動(dong)(dong)(dong)(dong)槍(qiang)機(ji)完成(cheng)(cheng)槍(qiang)枝的(de)(de)(de)(de)自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)。后一種(zhong)(zhong)(zhong)是(shi)(shi)經(jing)由氣導(dao)管(guan)(guan)導(dao)流(liu)(liu)氣體向后“吹(chui)送(song)”槍(qiang)機(ji)完成(cheng)(cheng)槍(qiang)枝的(de)(de)(de)(de)自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)/半自(zi)(zi)(zi)動(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)。因此我們大(da)約可以分(fen)(fen)為(wei)：短行(xing)(xing)程(cheng)活(huo)(huo)塞(sai)(sai)(sai)(sai)傳動(dong)(dong)(dong)(dong)式（Short stroke）。長行(xing)(xing)程(cheng)活(huo)(huo)塞(sai)(sai)(sai)(sai)傳動(dong)(dong)(dong)(dong)式（Long stroke）。氣井集(ji)氣操(cao)(cao)作(zuo)(zuo)（Gas trap）。槍(qiang)口(kou)增壓(ya)器（Muzzle booster）。直噴式氣動(dong)(dong)(dong)(dong)操(cao)(cao)作(zuo)(zuo)（Direct impingement；也(ye)稱為(wei)Direct Gas Action）。