The updated Tiberius Arms First Strike Magazines feature double sided spring depression, more ergonomic base and better concealment of the CO2 quick puncture tab. Holds both 12 gram CO2 and 8 standard .68 Caliber paintballs or First Strike Rounds. Valve automatically seals upon reload to save CO2. This factory magazine works with both standard .68 Paintballs and the Tiberius Arms First Strike Rounds in the T9.1 and T8.1 guns (or T9 and T8 markers with First Strike Conversion Kits Installed).

Includes both the silver standard spring and red First Strike spring.