here is mine piece, TM G17, been serving me more than 3 years, never fail me.
upgrade parts :
Shooter Design slide --- Aug 2008 (removed)
Guarder 150% recoil spring---Aug 2008
Guarder enhance hammer spring---Aug 2008
Hogue grip---Dec 2008
Guarder Steel Mag release button--- Sept 2009
LCW CNC Luminate Sight ---Oct 2010
PDI Raven 6.01 TB barrel for m92 (110mm)---Jan 2011
Firefly hop up rubber---Jan 2011
Guarder enhance loading nozzle --- May 2011
PGC slide + threaded barrel---June 2011
Custom made thread protector --- Aug 2011