How can i tell if my pistol is system 7

[gundown]

i have a KWA Glock 19 and was wondering is there a way to tell if it is system 7 or ns2.

[caffin999]

Re: How can i tell if my pistol is system 7

pretty sure there are no system 7 glocks. The system 7/ns2 system was designed off the glock gas system. some retailers avertise it as system7/ns2 but i'm pretty sure it isn't

[gundown]

Re: How can i tell if my pistol is system 7

OK thank you