Here's some of my old school Magna WA's double stacks
Metal hybrid w/ mount block
Custom metal hybrid SV slide & outer, 6" inner barrel, custom mount block & barrel spacer
ProKiller II
Speed Comp II
metal Speed Comp I
SD Springfield slide, custom comp, black sv style trigger
metal IPSC style gun
PGC Springfield slide, custom comp, metal outer barrel, steel comp locker, custom extended firing pin, thumb rest, extended mag release, custom magwell, longer guide rod with "bushing", sv trigger, prokiller front & rear sights,
SV 4