氣(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)操作(zuo)(zuo)依照原(yuan)理與不同槍枝的(de)(de)(de)(de)機(ji)(ji)械設計方式(shi)有分(fen)為四種(zhong)(zhong)(zhong)五(wu)類：第(di)一種(zhong)(zhong)(zhong)是(shi)(shi)依賴活(huo)塞(sai)(sai)原(yuan)理進行(xing)槍機(ji)(ji)運(yun)(yun)作(zuo)(zuo)的(de)(de)(de)(de)方式(shi)，亦即透(tou)過導(dao)流(liu)(liu)使氣(qi)體推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)塞(sai)(sai)，活(huo)塞(sai)(sai)連(lian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍機(ji)(ji)，透(tou)過這一串的(de)(de)(de)(de)程(cheng)序(xu)完成(cheng)槍枝的(de)(de)(de)(de)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)作(zuo)(zuo)。然(ran)而活(huo)塞(sai)(sai)的(de)(de)(de)(de)運(yun)(yun)作(zuo)(zuo)以(yi)(yi)行(xing)程(cheng)為主，以(yi)(yi)行(xing)程(cheng)移動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)距(ju)離的(de)(de)(de)(de)長短劃分(fen)，而非以(yi)(yi)活(huo)塞(sai)(sai)的(de)(de)(de)(de)重量或者大(da)小(xiao)劃分(fen)。第(di)二種(zhong)(zhong)(zhong)是(shi)(shi)利用“收集(ji)”子彈的(de)(de)(de)(de)高壓氣(qi)之后再(zai)導(dao)流(liu)(liu)進入汽(qi)缸推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)塞(sai)(sai)或整個槍管連(lian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)到槍機(ji)(ji)進行(xing)完成(cheng)槍枝的(de)(de)(de)(de)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)作(zuo)(zuo)。第(di)三種(zhong)(zhong)(zhong)是(shi)(shi)利用第(di)二種(zhong)(zhong)(zhong)“收集(ji)”氣(qi)體的(de)(de)(de)(de)原(yuan)理進行(xing)推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍管連(lian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍機(ji)(ji)完成(cheng)槍枝的(de)(de)(de)(de)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)作(zuo)(zuo)。后一種(zhong)(zhong)(zhong)是(shi)(shi)經由氣(qi)導(dao)管導(dao)流(liu)(liu)氣(qi)體向后“吹送”槍機(ji)(ji)完成(cheng)槍枝的(de)(de)(de)(de)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)作(zuo)(zuo)。因此(ci)我(wo)們(men)大(da)約可以(yi)(yi)分(fen)為：短行(xing)程(cheng)活(huo)塞(sai)(sai)傳動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)（Short stroke）。長行(xing)程(cheng)活(huo)塞(sai)(sai)傳動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)（Long stroke）。氣(qi)井(jing)集(ji)氣(qi)操作(zuo)(zuo)（Gas trap）。槍口增(zeng)壓器（Muzzle booster）。直噴式(shi)氣(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)操作(zuo)(zuo)（Direct impingement；也稱為Direct Gas Action）。