I got my GSG 1911 today, Oddly enough it came branded with "BLUE LINE SOLTIONS" which is where I bought the ZRTS "ultimate performace package".
-full length guide rod
-new spring
-slide alignment cone
-new barrel bushing
-barrel set screw no longer needed.
will do a 500rnd report here, breaking and testing with ammo shown
https://drive.google.com/file/d/0B_U...ew?usp=sharing