My grandson Trevor shot this today with my Howa 308 Win.
The load was 7.4 of Amer. Select with the SAECO # 315 HP
sized .310" with Horn. G/C's, primer was Fed 150 large pistol.
Distance 50 yards, 20 rounds fired.
He just kept pulling the trigger, I was keeping the rifle loaded & working the bolt, he kept the rifle on the bags and tried to keep the same cheek weld.