Complex sentence: The newly imported 2010 models have a roll pin in the slide improving trigger pull and a modified extractor for easier ejecting of casings and 17-round magazines are available for the 9mm M9-A1, C9-A1 and S9-A1 models.
Split into simpler sentences: The newly imported 2010 models have a roll pin in the slide improving trigger pull and a modified extractor for easier ejecting of casings. Also, 17 round magazines are available for the 9mm M9-A1, C9-A1 and S9-A1 models.