I love Magpro groups are 1/2 to 3/4 inch Nosler 140 grain Accubonds here is my loads in 85 degrees 74grains, 3320,3335,3340,65 degrees 3324,3309,3320. Factory loads Winchester Fail Safes,140 grain,3149,3225,3207, Federal 140 grain Accubonds 3214,3210,3210,Winchester 130 BT's 3260, 3276,3245. Gotta love that Magpro.