氣(qi)動(dong)操作(zuo)(zuo)(zuo)依照原理與(yu)不同槍(qiang)(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)機械設計(ji)方式(shi)有分為四(si)種(zhong)五類:第(di)一種(zhong)是(shi)依賴活(huo)塞(sai)(sai)原理進(jin)行(xing)槍(qiang)(qiang)(qiang)(qiang)機運作(zuo)(zuo)(zuo)的(de)(de)方式(shi),亦即透過導(dao)流使氣(qi)體推(tui)動(dong)活(huo)塞(sai)(sai),活(huo)塞(sai)(sai)連(lian)動(dong)槍(qiang)(qiang)(qiang)(qiang)機,透過這一串的(de)(de)程序完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)/半(ban)自(zi)動(dong)運作(zuo)(zuo)(zuo)。然而活(huo)塞(sai)(sai)的(de)(de)運作(zuo)(zuo)(zuo)以行(xing)程為主,以行(xing)程移動(dong)距離的(de)(de)長短劃(hua)分,而非以活(huo)塞(sai)(sai)的(de)(de)重量(liang)或(huo)者大小(xiao)劃(hua)分。第(di)二(er)種(zhong)是(shi)利用“收(shou)集”子彈的(de)(de)高壓氣(qi)之后(hou)(hou)再導(dao)流進(jin)入汽缸推(tui)動(dong)活(huo)塞(sai)(sai)或(huo)整個槍(qiang)(qiang)(qiang)(qiang)管連(lian)動(dong)到槍(qiang)(qiang)(qiang)(qiang)機進(jin)行(xing)完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)/半(ban)自(zi)動(dong)運作(zuo)(zuo)(zuo)。第(di)三種(zhong)是(shi)利用第(di)二(er)種(zhong)“收(shou)集”氣(qi)體的(de)(de)原理進(jin)行(xing)推(tui)動(dong)槍(qiang)(qiang)(qiang)(qiang)管連(lian)動(dong)槍(qiang)(qiang)(qiang)(qiang)機完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)/半(ban)自(zi)動(dong)運作(zuo)(zuo)(zuo)。后(hou)(hou)一種(zhong)是(shi)經由氣(qi)導(dao)管導(dao)流氣(qi)體向后(hou)(hou)“吹送(song)”槍(qiang)(qiang)(qiang)(qiang)機完(wan)成(cheng)(cheng)槍(qiang)(qiang)(qiang)(qiang)枝(zhi)(zhi)的(de)(de)自(zi)動(dong)/半(ban)自(zi)動(dong)運作(zuo)(zuo)(zuo)。因此我們大約(yue)可以分為:短行(xing)程活(huo)塞(sai)(sai)傳(chuan)動(dong)式(shi)(Short stroke)。長行(xing)程活(huo)塞(sai)(sai)傳(chuan)動(dong)式(shi)(Long stroke)。氣(qi)井(jing)集氣(qi)操作(zuo)(zuo)(zuo)(Gas trap)。槍(qiang)(qiang)(qiang)(qiang)口增壓器(Muzzle booster)。直噴式(shi)氣(qi)動(dong)操作(zuo)(zuo)(zuo)(Direct impingement;也稱為Direct Gas Action)。