I got a FV12 in 22/250 late last year, and right now my load is 38.1g of H380 with the 53g vmax, giving a .5" group on a regular basis. Factory ammo with 55g was < 1MOA, can't complain at all. I get similar groups with the 53g Nosler Varmegeddons as well, it will work on a pdog or ghog.