Enhance your shooting experience with the Elite Tactical Systems Group GLK-21-18 Magazine, designed specifically for the Glock 21. This 18-round magazine combines reliability and durability, making it an essential accessory for any serious shooter. Crafted from advanced polymer materials, this magazine ensures extreme impact resistance, allowing it to withstand drops and harsh conditions. Its superior design prevents brittleness over time, even in extreme temperatures and exposure to chemicals. 18 - Round Capacity Precise Manufacturing Long Term Reliability Durable Construction High Capacity Upgrade to the ETS GLK-21-18 Magazine for ultimate performance and reliability.