jan 20, 2019 · according to my research, the early sig mosquitos had issues but by the time gsg introduced the firefly, they had been worked out. After i went to rural king and. our selection of gsg firefly accessories is meticulously curated to meet the needs of the most discerning shooters. i wrote a couple reviews on the gsg firefly (one after each of my 2 range visits with it). First one can be found here:. After studying up on it a bit, i decided i'd give. i love my firefly. Far more accurate than my heritage revolver with a longer barrel. Could be that my revolver posture sucks but the firefly when cleaned and lubed properly is. we provide simple diy modifications to increase magazine capacity in numerous popular 22 caliber pistols such as sig sauer, gsg, ruger, kimber, walther, umarex, colt, issc.
