ProMag Glock 17/19/26 9mm 18rd Steel/Polymer Magazine Overview: The ProMag 18-round Glock-compatible magazine is a mid-capacity 9mm magazine designed for Glock-pattern pistols and compatible PCC platforms. It sits between standard factory capacity and extended magazines, offering a balance of concealability and extra round count for training or general use. Key Features: 18-round capacity: Slightly extended capacity compared to standard Glock magazines for added flexibility. Glock-pattern compatibility: Fits multiple double-stack 9mm Glock models and compatible platforms. Reinforced polymer body: Injection-molded construction with steel inserts for added durability. Chrome silicon spring: Heat-treated spring supports consistent feeding and long-term reliability. Polymer follower: Ensures smooth cartridge alignment and reliable cycling. Compact extended profile: More manageable than high-capacity extended magazines. Lifetime warranty: Backed by ProMag replacement guarantee. Specifications: Manufacturer: ProMag Category: Pistol Magazine Caliber: 9mm Luger Capacity: 18 Rounds Material: Reinforced Polymer with Steel Inserts Follower Type: Polymer Spring Material: Chrome Silicon Color: Black Compatible Firearms: Glock 17 Glock 18 Glock 19 Glock 26 Glock 34 Glock 45 Glock 47 AR-9 Glock-pattern carbines Kel-Tec SUB-2000/19 KRISS Vector Ruger RXM Shadow Systems CR920 Applications: Range training: Moderate capacity for extended shooting sessions Tactical drills: Balance between concealability and capacity General use: Suitable for compatible Glock-pattern platforms Backup magazine option: Useful as an intermediate-capacity spare Additional Features: Improved handling: Less bulk than extended 30+ round magazines Durable construction: Reinforced polymer with steel support points Reliable feeding design: Optimized follower geometry Cost-effective alternative: Budget-friendly option for compatible firearms SKU: GLK-A9BUPC: 708279013607