Elite Tactical Systems Glock 21/30/41 .45 ACP 18 Round Pistol Magazine Carbon Smoke 18RD. 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. Specifications for Elite Tactical Systems Glock 21/30/41 .45 ACP 18 Round Pistol Magazine: Manufacturer: Elite Tactical Systems Gun Make: Glock Gun Model: Glock 41 Glock 21 Glock 30 Caliber: .45 ACP Magazine Capacity: 18 Round Color: Carbon Smoke Condition: New Fits the .45 Glock 21 30 41 (does not fit SF) Package Contents: Elite Tactical Systems Glock 21/30/41 .45 ACP 18 Round Pistol Magazine What firearm models does the manufacturer say Elite Tactical Systems Glock 21/30/41 .45 ACP 18 Round Pistol Magazine is compatible with? The manufacturer suggests that Elite Tactical Systems Glock 21/30/41 .45 ACP 18 Round Pistol Magazine is compatible with Glock 30 Glock 21 Glock 41Elite Tactical Systems SMK-GLK-21-18-18RD: Glock 21/30/41 .45 ACP 18 Round Pistol Magazine Carbon Smoke