pro mag newbie info

Hello new friends! First post! Will a pro Mag Hip A4 fit my Hi Point JHP 45 ? I'm getting my Hi Point 2 morrow from my friend who paid all but 100 bucks at a pawn shop for 1 brand new when he was offered a Killer deal on an XD springfield tactical for 325. He had already bought a Pro Mag 14 rnd...