氣動(dong)(dong)(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)(zuo)依照(zhao)原(yuan)理(li)(li)與(yu)不同槍(qiang)枝(zhi)的(de)(de)(de)機(ji)械設計方(fang)式(shi)(shi)有分為(wei)四種(zhong)五類(lei)：第(di)一(yi)種(zhong)是依賴活(huo)(huo)(huo)塞(sai)原(yuan)理(li)(li)進(jin)行(xing)(xing)槍(qiang)機(ji)運作(zuo)(zuo)(zuo)(zuo)的(de)(de)(de)方(fang)式(shi)(shi)，亦(yi)即透過導流使氣體(ti)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞(sai)，活(huo)(huo)(huo)塞(sai)連動(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)機(ji)，透過這一(yi)串的(de)(de)(de)程(cheng)(cheng)序完(wan)成(cheng)槍(qiang)枝(zhi)的(de)(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)(zuo)。然而活(huo)(huo)(huo)塞(sai)的(de)(de)(de)運作(zuo)(zuo)(zuo)(zuo)以行(xing)(xing)程(cheng)(cheng)為(wei)主，以行(xing)(xing)程(cheng)(cheng)移動(dong)(dong)(dong)(dong)(dong)(dong)距離(li)的(de)(de)(de)長短劃(hua)(hua)分，而非以活(huo)(huo)(huo)塞(sai)的(de)(de)(de)重量或者大(da)小劃(hua)(hua)分。第(di)二種(zhong)是利(li)用(yong)“收集”子彈的(de)(de)(de)高壓氣之后再導流進(jin)入汽缸(gang)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞(sai)或整(zheng)個(ge)槍(qiang)管(guan)連動(dong)(dong)(dong)(dong)(dong)(dong)到槍(qiang)機(ji)進(jin)行(xing)(xing)完(wan)成(cheng)槍(qiang)枝(zhi)的(de)(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)(zuo)。第(di)三種(zhong)是利(li)用(yong)第(di)二種(zhong)“收集”氣體(ti)的(de)(de)(de)原(yuan)理(li)(li)進(jin)行(xing)(xing)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)管(guan)連動(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)機(ji)完(wan)成(cheng)槍(qiang)枝(zhi)的(de)(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)(zuo)。后一(yi)種(zhong)是經由氣導管(guan)導流氣體(ti)向后“吹(chui)送”槍(qiang)機(ji)完(wan)成(cheng)槍(qiang)枝(zhi)的(de)(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)(zuo)。因此我們大(da)約可以分為(wei)：短行(xing)(xing)程(cheng)(cheng)活(huo)(huo)(huo)塞(sai)傳動(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)（Short stroke）。長行(xing)(xing)程(cheng)(cheng)活(huo)(huo)(huo)塞(sai)傳動(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)（Long stroke）。氣井集氣操(cao)作(zuo)(zuo)(zuo)(zuo)（Gas trap）。槍(qiang)口增壓器（Muzzle booster）。直噴式(shi)(shi)氣動(dong)(dong)(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)(zuo)（Direct impingement；也(ye)稱為(wei)Direct Gas Action）。