Does anyone know what pistol this is?

[Tankman045]

It is a non blowback gas design, I want to get more mags but I have no idea what mag it is or what pistol it is.

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[AK47frizzle]

It's a HFC m9: https://www.defconairsoft.co.uk/product/hfc-m9-gas-magazine/

 

[heroshark]

Depending how many you want and the shipping here might be cheaper https://www.taiwangun.com/en/gas-pistol-magazines/st92f-nbb-magazine-stti?from=listing&campaign-id=21