Do you think this airsoft mag TSD Metal Model 4/16 300 Round Hi-Cap AEG Magazine would work for my GF15A4?

Please contact me at 602-402-9372 or Chris.Flores@cox.net for more suggestions or if this magizine would work. Also the gun is made by Gameface. The magizine I have now holds 150 6mm. BBs. Thanks for your help.