This magazine features a patented Double Helix rotary box magazine which uses torsion spring-driven interlocking gears for added reliability. It is constructed of metal floor plate with a polymer body. The translucent gray body allows for easy verification of the number of remaining cartridges. Cartridges shown not included.
| MANUFACTURER | BROWNING |
| CALIBER | 17 HMR / 22 WMR |