I have found that 24.6 grains of H4895 and a 69 gr SMK shoots around .3 MOA at 300 yards and I'm very happy with that.

I picked up a box of 69 grain TMK and tried the exact same recipe and needless to say, I was NOT that happy.

Curious what was required of those who made the transition from the SMK to the TMK. What were the changes from your established load that were required to get the TMK to shoot...

Yeah, I know-why change what works..... I've been shooting 300 yards and will be shooting 600 yards fairly soon and want to be prepared.