Elite Tactical Systems Group Magazine, 9MM, 10 Rounds, Fits Glock 43X, Carbon Smoke SMK-GLK-43X ETS mags won't crack or break, are resistant to heat, cold, UV and harsh chemicals and won't become brittle over time. Their mags come with enhanced features like non-tilt followers, creep-resistant feed lips and clear body allowing you to see count and ammo type, leaving nothing to chance.