Experience reliable performance with the Sig Proforce M17 Magazine designed for airsoft enthusiasts. Crafted from durable polymer this magazine is built to withstand rigorous use while maintaining a lightweight profile. It accommodates 21 rounds of 6mm BBs providing ample capacity for extended play sessions. Compatible with green gas this magazine ensures consistent firing power to keep you competitive in the field. Enhance your airsoft gear with this high-quality accessory perfect for those who demand both functionality and durability.