PROFORCE, M18 Green Gas Magazine Complete 6mm Caliber 21 Round

This magazine is compatible with the following SIG PROFORCE models.

• PROFORCE M17, CO2 (AIR-PF-M17)
• PROFORCE M17, GAS (AIR-PF-M17-GG)
• PROFORCE M18, GAS (AIR-PF-M18GG)
• PROFORCE P320 XCARRY, GAS (AIR-PF-320XCA)