Hi everone i was gona give an update on a my. 6 mm cm. Ive been fireforming my brass and doing some barrel brake in. Wow i gota say this is going great my groups are awsome even with new brass .. Awsome for me , proubly just ok for some of u guys but iam excited. I shot a ten shot group cleaning between each shot and my group was easy under an inch... this was with new brass that wasnt formed yet... i would post a picture if i knew how. But there is a picture of it on the forum titled gun pics under one MCR posts. Ill keep u all infored how it goes with fireformed brass.