氣(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)(zuo)(zuo)依照原理(li)與不同槍(qiang)(qiang)(qiang)枝(zhi)的(de)(de)機(ji)(ji)械設計方(fang)式(shi)(shi)有分(fen)為四(si)種(zhong)五(wu)類：第(di)一種(zhong)是(shi)依賴活(huo)塞(sai)原理(li)進行(xing)(xing)槍(qiang)(qiang)(qiang)機(ji)(ji)運(yun)(yun)(yun)作(zuo)(zuo)(zuo)(zuo)(zuo)的(de)(de)方(fang)式(shi)(shi)，亦即透過導(dao)流使氣(qi)(qi)體推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)塞(sai)，活(huo)塞(sai)連動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)機(ji)(ji)，透過這一串的(de)(de)程(cheng)(cheng)序完成槍(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)(zuo)(zuo)(zuo)。然(ran)而活(huo)塞(sai)的(de)(de)運(yun)(yun)(yun)作(zuo)(zuo)(zuo)(zuo)(zuo)以行(xing)(xing)程(cheng)(cheng)為主，以行(xing)(xing)程(cheng)(cheng)移動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)距離的(de)(de)長短(duan)劃分(fen)，而非以活(huo)塞(sai)的(de)(de)重量(liang)或(huo)者大小劃分(fen)。第(di)二種(zhong)是(shi)利用“收集”子彈的(de)(de)高壓(ya)氣(qi)(qi)之后再導(dao)流進入汽(qi)缸推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)活(huo)塞(sai)或(huo)整個槍(qiang)(qiang)(qiang)管連動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)到(dao)槍(qiang)(qiang)(qiang)機(ji)(ji)進行(xing)(xing)完成槍(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)(zuo)(zuo)(zuo)。第(di)三種(zhong)是(shi)利用第(di)二種(zhong)“收集”氣(qi)(qi)體的(de)(de)原理(li)進行(xing)(xing)推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)管連動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)機(ji)(ji)完成槍(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)(zuo)(zuo)(zuo)。后一種(zhong)是(shi)經由氣(qi)(qi)導(dao)管導(dao)流氣(qi)(qi)體向(xiang)后“吹送(song)”槍(qiang)(qiang)(qiang)機(ji)(ji)完成槍(qiang)(qiang)(qiang)枝(zhi)的(de)(de)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)/半(ban)自(zi)(zi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)運(yun)(yun)(yun)作(zuo)(zuo)(zuo)(zuo)(zuo)。因此我(wo)們大約可以分(fen)為：短(duan)行(xing)(xing)程(cheng)(cheng)活(huo)塞(sai)傳動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)（Short stroke）。長行(xing)(xing)程(cheng)(cheng)活(huo)塞(sai)傳動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)式(shi)(shi)（Long stroke）。氣(qi)(qi)井集氣(qi)(qi)操(cao)作(zuo)(zuo)(zuo)(zuo)(zuo)（Gas trap）。槍(qiang)(qiang)(qiang)口增壓(ya)器（Muzzle booster）。直噴式(shi)(shi)氣(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)(zuo)(zuo)（Direct impingement；也(ye)稱為Direct Gas Action）。