The Ghost Inc MOAB +6 Magazine Extension for Magpul PMAG 17 maximizes your firepower potential with 6 additional rounds. Compatible with PMAG magazines only, this extension features injection-molded polymer construction for natural corrosion resistance and long-lasting durability. Its easy-to-install design provides faithful and frustration-free service right out of the box. This complete kit includes a replacement spring, collar, base plate and disassembly tool. Order yours today and enjoy superior firepower in any shooting application. Perimeter Ring reinforces extension against impacts for long-term durability Adds 6-round to 9mm and 5-round to .40 ACP and .357 Glock magazines Fits with Glock OEM 19 & 23 magazines Includes extra power magazine spring for reliable feeding Rounded ergonomic design enhances handling and comfort Ensures positive magazine seating for secure and consistent reloads Extraction Traction Points improve grip and handling during mag changes Debris extraction ports keep magazines clean and operational in harsh conditions Built with superior, combat-tough construction for extreme durability Ergonomic design eliminates painful corner spikes in your palm Backed by Ghost's unconditional lifetime warranty for peace of mind