Complex sentence: It is a GLOCK 19 modified to fire the.380 ACP ammunition and uses a modified slide, frame,.380 ACP barrel and magazine, but is otherwise nearly identical in looks to the GLOCK 19.
Split into simpler sentences: It is a GLOCK 19 modified to fire the.380 ACP ammunition. It uses a modified slide, frame,.380 ACP barrel and magazine but is otherwise near identical in looks to the GLOCK 19.