氣(qi)(qi)動(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)依(yi)照(zhao)原理(li)與不同槍(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)機械設(she)計方式(shi)有分(fen)為(wei)(wei)四(si)種五類：第(di)一種是(shi)依(yi)賴活(huo)塞(sai)原理(li)進(jin)(jin)行(xing)(xing)(xing)槍(qiang)(qiang)(qiang)機運作(zuo)(zuo)(zuo)的(de)(de)方式(shi)，亦即透(tou)過(guo)導(dao)流(liu)使氣(qi)(qi)體推(tui)動(dong)(dong)(dong)(dong)活(huo)塞(sai)，活(huo)塞(sai)連(lian)動(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)機，透(tou)過(guo)這一串(chuan)的(de)(de)程序完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)(dong)(dong)(dong)/半(ban)(ban)(ban)自(zi)動(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)。然而活(huo)塞(sai)的(de)(de)運作(zuo)(zuo)(zuo)以行(xing)(xing)(xing)程為(wei)(wei)主，以行(xing)(xing)(xing)程移動(dong)(dong)(dong)(dong)距離的(de)(de)長短劃分(fen)，而非以活(huo)塞(sai)的(de)(de)重量或者大小劃分(fen)。第(di)二(er)種是(shi)利用(yong)“收集”子彈的(de)(de)高(gao)壓氣(qi)(qi)之后再導(dao)流(liu)進(jin)(jin)入汽缸推(tui)動(dong)(dong)(dong)(dong)活(huo)塞(sai)或整(zheng)個槍(qiang)(qiang)(qiang)管(guan)連(lian)動(dong)(dong)(dong)(dong)到槍(qiang)(qiang)(qiang)機進(jin)(jin)行(xing)(xing)(xing)完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)(dong)(dong)(dong)/半(ban)(ban)(ban)自(zi)動(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)。第(di)三(san)種是(shi)利用(yong)第(di)二(er)種“收集”氣(qi)(qi)體的(de)(de)原理(li)進(jin)(jin)行(xing)(xing)(xing)推(tui)動(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)管(guan)連(lian)動(dong)(dong)(dong)(dong)槍(qiang)(qiang)(qiang)機完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)(dong)(dong)(dong)/半(ban)(ban)(ban)自(zi)動(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)。后一種是(shi)經(jing)由氣(qi)(qi)導(dao)管(guan)導(dao)流(liu)氣(qi)(qi)體向后“吹送”槍(qiang)(qiang)(qiang)機完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)(dong)(dong)(dong)/半(ban)(ban)(ban)自(zi)動(dong)(dong)(dong)(dong)運作(zuo)(zuo)(zuo)。因此我(wo)們(men)大約可以分(fen)為(wei)(wei)：短行(xing)(xing)(xing)程活(huo)塞(sai)傳動(dong)(dong)(dong)(dong)式(shi)（Short stroke）。長行(xing)(xing)(xing)程活(huo)塞(sai)傳動(dong)(dong)(dong)(dong)式(shi)（Long stroke）。氣(qi)(qi)井集氣(qi)(qi)操(cao)作(zuo)(zuo)(zuo)（Gas trap）。槍(qiang)(qiang)(qiang)口增(zeng)壓器(qi)（Muzzle booster）。直噴式(shi)氣(qi)(qi)動(dong)(dong)(dong)(dong)操(cao)作(zuo)(zuo)(zuo)（Direct impingement；也稱(cheng)為(wei)(wei)Direct Gas Action）。