比條link唔該 :)
更新1:
um...係卡賓槍...對唔注啊..
更新2:
咁講M4就係3發式,M4A1就係全自動???
更新3:
BTW, http://www.enemyforces.net/firearms/m4.jpg 同 http://shop.ehobbyasia.com/media/catalog/product/cache/1/image/5e06319eda06f020e43594a9c230972d/K/W/KWA-KM4A1-TACTICAL_1_mark.jpg 有咩分別??
更新4:
其實我係講佢地兩種槍型號(等等等等) 既分別,佢地準星係唔同,不過同樣係M4... 真係唔明白,請師兄請教!!!