Good man keep the pintle mounts...they aren't that expensive (10 points) and the extra dice in your shooting phase is always a plus...
Also when you have the opportunity...I would include a dread in yer army...set up with a power fist and flamer and a plasma cannon of his own makes for a nice mix of anti tank/anti personnel
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I am Wolfpack, my fangs are long, my hair grey with age...I am The Great Wolf...I fight with bolter and Axe, my armies vast, my word final. A true son of Russ, my honor above all, I hunt the heretic, the xenos, and the witch and slay them where they stand! My sons hunt our enemies,
slay them where they falter and bring their pelts to Fenris