Key Features:
- Manufacturer: Shield Arms
- Model: SHIELD MAG EXT +5/4 FOR GLK19/23 GRY
- Product Type: Magazine Extension
- Material: Billet 6061 Aluminum
- Unique Features: Easy access floor plate design, +10% power spring
- What's In The Box: Magazine extension, +10% power spring
| __Model | +5/+4 Magazine Extension |
| __Caliber | 9mm |
| __Capacity | 20 |
| __Barrel Length | NA |
| __Optic Footprint | NA |
| __Action | NA |