CO2 magazine for P320 M17 / M18 GBB by SIG AIR with a Flat Dark Earth (FDE) baseplate.
Officially licensed magazine by SIG Sauer.
Capacity of 21 BBs with an enlarged loading port.
Easy replacement of 12g CO2 cartridge (inserted directly into the magazine).
High-quality construction by VFC with a metal body and polymer baseplate.
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: ASG
CO2-1
ULTRAIR 12 g CO2 Cartridge by ASG in a silver finish. 1 piece per package. Contains 12 grams of compressed carbon dioxide (CO2). Designed for powerful gas pistols with metal slides and GBBR rifle magazines. Not recommended for use in pistols with plastic slides.
: ASG
CO2-SIL
ULTRAIR 12 g CO2 Cartridge with Silicone by ASG in a silver finish. 1 piece per pack. Contains 12 grams of compressed carbon dioxide (CO2) and silicone. Designed for maintenance of seals and internal parts of gas pistols and rifles. Not recommended for use in plastic slide pistols.
: ASG
CO2-50
ULTRAIR 12 g CO2 Cartridge by ASG in a silver finish. 50 pieces per package. Contains 12 grams of compressed carbon dioxide (CO2). Designed for powerful gas pistols with metal slides and GBBR rifle magazines. Not recommended for use in pistols with plastic slides.
: ASG
CO2-500
ULTRAIR 12 g CO2 Cartridge by ASG in a silver finish. 500 pieces per package. Contains 12 grams of compressed carbon dioxide (CO2). Designed for powerful gas pistols with metal slides and GBBR rifle magazines. Not recommended for use in pistols with plastic slides.
This original CO2 gas magazine from SIG AIR for P320 M17 and M18 GBB pistols offers excellent build quality and an official SIG Sauer license, including logo engraved on the polymer baseplate. Developed in collaboration with VFC (Vega Force Company), this magazine features a reliable CO2 system powered by a standard 12g CO2 cartridge. The double-stack design holds up to 21 BBs and includes an enlarged loading port that makes refilling with a speedloader much easier.
| Color | Desert / Sand |
| Magazine material | Metal |
| High-cap / Mid-cap | Mid-cap |
| Magazine capacity | 21 |
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