氣動(dong)(dong)(dong)(dong)操作(zuo)(zuo)依(yi)照原理(li)與不(bu)同槍(qiang)枝(zhi)的(de)機(ji)(ji)械設計方式(shi)(shi)(shi)有分(fen)為四(si)種(zhong)(zhong)五類：第(di)一種(zhong)(zhong)是(shi)依(yi)賴活塞(sai)原理(li)進(jin)行(xing)槍(qiang)機(ji)(ji)運作(zuo)(zuo)的(de)方式(shi)(shi)(shi)，亦即透(tou)過導流(liu)(liu)使氣體(ti)(ti)推(tui)動(dong)(dong)(dong)(dong)活塞(sai)，活塞(sai)連(lian)動(dong)(dong)(dong)(dong)槍(qiang)機(ji)(ji)，透(tou)過這一串的(de)程序完(wan)成槍(qiang)枝(zhi)的(de)自動(dong)(dong)(dong)(dong)/半(ban)自動(dong)(dong)(dong)(dong)運作(zuo)(zuo)。然而(er)活塞(sai)的(de)運作(zuo)(zuo)以(yi)行(xing)程為主(zhu)，以(yi)行(xing)程移動(dong)(dong)(dong)(dong)距離(li)的(de)長短劃分(fen)，而(er)非(fei)以(yi)活塞(sai)的(de)重(zhong)量或(huo)(huo)者大小劃分(fen)。第(di)二(er)種(zhong)(zhong)是(shi)利用(yong)“收集(ji)”子(zi)彈(dan)的(de)高壓(ya)氣之后(hou)再導流(liu)(liu)進(jin)入(ru)汽缸推(tui)動(dong)(dong)(dong)(dong)活塞(sai)或(huo)(huo)整個槍(qiang)管(guan)(guan)(guan)連(lian)動(dong)(dong)(dong)(dong)到槍(qiang)機(ji)(ji)進(jin)行(xing)完(wan)成槍(qiang)枝(zhi)的(de)自動(dong)(dong)(dong)(dong)/半(ban)自動(dong)(dong)(dong)(dong)運作(zuo)(zuo)。第(di)三(san)種(zhong)(zhong)是(shi)利用(yong)第(di)二(er)種(zhong)(zhong)“收集(ji)”氣體(ti)(ti)的(de)原理(li)進(jin)行(xing)推(tui)動(dong)(dong)(dong)(dong)槍(qiang)管(guan)(guan)(guan)連(lian)動(dong)(dong)(dong)(dong)槍(qiang)機(ji)(ji)完(wan)成槍(qiang)枝(zhi)的(de)自動(dong)(dong)(dong)(dong)/半(ban)自動(dong)(dong)(dong)(dong)運作(zuo)(zuo)。后(hou)一種(zhong)(zhong)是(shi)經由氣導管(guan)(guan)(guan)導流(liu)(liu)氣體(ti)(ti)向后(hou)“吹送(song)”槍(qiang)機(ji)(ji)完(wan)成槍(qiang)枝(zhi)的(de)自動(dong)(dong)(dong)(dong)/半(ban)自動(dong)(dong)(dong)(dong)運作(zuo)(zuo)。因(yin)此我(wo)們大約可(ke)以(yi)分(fen)為：短行(xing)程活塞(sai)傳動(dong)(dong)(dong)(dong)式(shi)(shi)(shi)（Short stroke）。長行(xing)程活塞(sai)傳動(dong)(dong)(dong)(dong)式(shi)(shi)(shi)（Long stroke）。氣井集(ji)氣操作(zuo)(zuo)（Gas trap）。槍(qiang)口(kou)增壓(ya)器（Muzzle booster）。直噴(pen)式(shi)(shi)(shi)氣動(dong)(dong)(dong)(dong)操作(zuo)(zuo)（Direct impingement；也稱為Direct Gas Action）。