The Ruger Mark I Magazine is a 22LR 9 round magazine designed for the old style Mark I .22 LR Pistol. It's modeled under the manufacturer number 90062 and serves as an accessory-magazine.
Specs
| Model No. | RUM-9 |
| Model | Mark I Magazine |
| Manufacturer | Ruger |
| Caliber | 22 LR |
| Capacity | 9 |
| Weight | 0.15 |
