The Mec-Gar "Plus-2" Adapter Set for Mec-Gar Magazines Only Full Size Glock 9mm Luger Full Size Magazines Black is a complete magazine extension kit engineered specifically for Mec-Gar’s full-size Glock 17 and 19 9mm magazines. This replacement floorplate set includes a polymer Plus-2 extender, heat-treated phosphate steel locking plate, Type D music wire spring, and a high-visibility green polymer follower to deliver reliable feeding and increased capacity on compatible magazines.

This adapter set is ideal for shooters who want a simple, proven way to add capacity to select Mec-Gar Glock magazines while maintaining dependable function at the range or during training. On approved 18-round Mec-Gar Glock 17 and 19 magazines, the kit adds two additional rounds, while remaining neutral on 10-round magazines for compliance-focused use. Mec-Gar’s long-standing reputation for precision magazine manufacturing and thoughtful design makes this Plus-2 Adapter Set a practical upgrade for dedicated Glock owners.

Key Features:

• Manufacturer: Mec-Gar
• Model: F42354-SET-BLK
• Product Type: Magazine Extension
• Gauge/Caliber: 9mm Luger
• Compatible Magazines: Mec-Gar Glock 17 9mm 18rd (adds 2 rounds), Glock 17 9mm 10rd (no added capacity), Glock 19 9mm 18rd (adds 2 rounds)
• Included Components: Polymer Plus-2 extender, phosphate steel locking plate, Type D music wire spring, high-visibility green polymer follower