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I'm at 3000-3100 with the 156 Berger using IMR8133
man thats what im hoping for when my 6.5 saum gets here but its a 1:8 and 24" barrel guess worse case i can run the 140 vld or elite hunter and same my 280ai and 168ABLRs for bigger stuff/
It should not be that hard. I run a 156 at 2915 in a 22". Im on my 6th reload and tight pockets so I know my loads are not hammering brass. Some people are going to be very unhappy by the time they get that point and their primers won't hold. h1000, 565, and rl26 all seem to get the speed without the pressure spike.
I had my smith set up the throat for the long bullets (147 ELDM at the time 2018) such that their base was just above the neck shoulder junction when their ogives were in the lands. This provides basically max powder space. If you still need to get your chamber cut I would talk to your smith about this to wring the most performance you can from your internal ballistics. I guess with a fine cutter an existing throat could be extended a small amount as well.
I'm using 60 grains of H1000 haven't chrono it but it hits constantly out to 1000 and have hit a mile on 3rd shot and then 3 in a row. Hoping to take it out again soonI haven't shot any for groups yet but here are some results with a 26in barrel using a medium action which allows the bullet to be seat out of the powder column. These we shot over the trusty Magneto Speed
This was Hornady brass and BR-2 Primers.
View attachment 144646
I think I'm going to try 58.2 for groups. I still have some case so I'm going to push the 8133 up through the 59s.
Still haven't hit pressure with either powder.
I just looked at my load from last summer that is similar components:
10 grains more powder to go 100 fps faster.... ouch
The deer don't mind !
I would imagine they don't and don't the know difference in 100 fps either. 10 grains more powder you'd sure expect a more performance I'd think. I would not be happy with the additional recoil, barrel destruction, and lack of performance with a small gap like that. Then again, we have people on here running a short action round in a long action thinking that .050 thousands is going to miraculously send them into long action magnum territory performance. Might as well run a 6.5 RPM, 6.5-300, etc.
