Buy a combo pack and save this combo includes (1) Z9 magazines and (1) black nitride steel mag catch / release. - The Z9 magazine is a 9 round magazine for the Glock 43. The Z9 is a steel magazine and is the same length as the OEM Glock magazine with pinky extension but holds an additional 3 rounds. - Increased Capacity Same Reliability - Glock pistols and magazines are known for reliability - the Z9 maintains that same Glock reliability while giving you a 50% increase in magazine capacity in the same overall footprint. - We accomplished this increased capacity with our patent-pending magazine geometry allowing the rounds to stagger thereby fitting more in the same amount of space. - Proudly made in the USA by Check-Mate. - Specifications - 9 round capacity - Same length as an OEM Glock 43 magazine with pinky extension - Easy to remove impact resistant base pad - Powercon finish - Made in the USA - Powercron Finish - Powercron is a cationic epoxy coating that offers excellent corrosion resistance and low VOC in a lead-free film electrocoat surface finish.