Glock 17 Co2 Gas Spare Magazine (VFC Full Blowback) – Airsoft Atlanta

Glock 17 Co2 Gas Spare Magazine (VFC Full Blowback).  For use in the VFC made Co2 full blowback model (not the partial). Magazine specific for the G17, holds 23 rounds.  Works in the Umarex 2276318 pistol.  One (1) mag. Umarex Mag 2276320    
Glock 17 Co2 Gas Spare Magazine (VFC Full Blowback).  For use in the VFC made Co2 full blowback model (not the partial). Magazine specific for the G17, holds 23 rounds.  Works in the Umarex 2276318 pistol.  One (1) mag.Umarex Mag 2276320  
Glock 17 Co2 Gas Spare Magazine (VFC Full Blowback).  For use in the VFC made Co2 full blowback model (not the partial). Magazine specific for the G17, holds 23 rounds.  Works in the Umarex 2276318 pistol.  One (1) mag. Umarex Mag 2276320    

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Glock 17 Co2 Gas Spare Magazine (VFC Full Blowback) – Airsoft Atlanta

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I'm looking to buy my first airsoft gun and my brother is buddy will sell me any of these for $100. I'm trying to identify all these guns so I can look