KWA MS120 120rd Mid-Cap Magazine for M4 Series - 3 PackThe all new KWA MS120 round magazine lets you customize your AEG loadout like never before! Made with KWAs ultra durable fiber polymer, giving you lightweight, rugged, and reliable mags for any scenario. The new mock window, which mimics brass 5. 56 rounds, adds some style to your mag pouch, while the dot matrix ID panel lets you mark your mags with numbers or initials for easy identification. Handling mags is never a problem thanks to the unique