I cant get to shoot under an inch. Ive been shooting today with all differant lengths and differant charges od Rl25 and Retumbo. Some groups string left to right( no wind only 100yds) some douple 2 here 3 there or one there and 2 over there some scattered all over. Barrel is a Broughton 30'' with a brake. Also full length sized brass and fed large mag primers.