Shop › MAG HK HK45 45ACP 10RD MAG HK HK45 45ACP 10RD $54.99 Heckler & Koch Magazine, 45ACP, 10 Rounds, Fits HK45, Blued Finish, Red Follower 50248619 Quantity: Add To Cart Added! Heckler & Koch Magazine, 45ACP, 10 Rounds, Fits HK45, Blued Finish, Red Follower 50248619