i'm shooting #6 hevi-shot using the primos choke .570 and covering the turkey heads up in the paper targets@40 yards ..bought a box of5 of the hevi-shot 5,6,7 mix 3" shells too. figure acording to the terrain i'm in ,i'll choose the posion for ole' tom once i see where he'll be..also bought some #5 shot for when it greens out pretty heavy so i can blow the leaves out of the way and the rest of the shot wil take ole' tom