Oooh, fun stuff!
M4 w/ NSN ACOG and Sure Fire M500
17 HK 416 mags w/30 rds each of LC M855
Glock 17 w/threaded G34 barrel
5 G17 mags w/17 rds each of Winchester Ranger 147 gr
I have had a P9S for about 10 years and for most of that time I was looking for a factory extended barrel. Well last year I found one that was already threaded, so I called Gemtech, ordered a Trinity and contacted TROS and got an adapter from him. Here is a pic of the completed assembly.