Originally Posted by Frost_505
Although the "best" GBBR for the money that you can get is the KWA LM4, just change the mags with a G&P PMAG and your set.
G&P is WA based (Magna system if I'm correct?)
KWA is using their own system, System 7-2
G&P Mags are not compatible with the KWA/KSC in any ways