well i have a prohunter shooting 150 gr. 777 and 250 shockwave. last time i was out the first two shots were in the same hole and the next 3 were w/in 2 inches. the only thing that was different this timewas that it was about 32-35 degrees versus 50 if that makes any difference. I feel like i need the 150 gr. load because i am heading up north where a 200 yard shot is a very good possibility. Should i try to see if it will group better with 100 gr?