Badlands Precision Bullets thread - From BC to terminal ballistics

If you can find it Reloder 26 is the powder to look at, I run a Cutting Edge MTH well over 3,200 fps in a .243 WIN long action. It can be temp sensitive over ~86F though. Alliant's site shows 3,200 for a Sierra 100 grain at 47.9 grains https://www.alliantpowder.com/reloaders/powderlist.aspx?type=1&powderid=40&cartridge=51
Yeah, 26 is nice but for me in the 6 Creedmoor
It won't work because of my area temp swings. I wonder if 23 may work as they're so closely related. 23 seems to be more temp stable. I think 65SB may be the ticket but time will tell.
 
Too bad we can't screen them for these attitudes before we marry them. Got to love them regardless. They still can be your best friend.
Eh, I can sweet talk her and slowly introduce my end goal😏. It can also be something my son and I do here and there. I think she thinks I'll spend a butt load on doing something she thinks I won't stick with. She don't know!
 
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I was going to use the 140gr bulldozer ll out of the 27 Sherman mag I'm building until I found out that there doing it in a 150gr version which is better for my setup. I had to order a new barrel to accommodate for it but it will only set me back a couple months. Here it is with the 140s before fireformed.

20221202_191019.jpg
 
I was going to use the 140gr bulldozer ll out of the 27 Sherman mag I'm building until I found out that there doing it in a 150gr version which is better for my setup. I had to order a new barrel to accommodate for it but it will only set me back a couple months. Here it is with the 140s before fireformed.

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We have made prototype 150s and I'm just waiting for weather to improve so we can test them in a 6.8 Western
 
We have made prototype 150s and I'm just waiting for weather to improve so we can test them in a 6.8 Western
What twist rate will be required for the 150 BD2? 1/7" twist? I think I've decided that I will be building a fast twist 270 WSM in a long action so that I have plenty of COAL to accommodate the longer 270 bullets.
 
What twist rate will be required for the 150 BD2? 1/7" twist? I think I've decided that I will be building a fast twist 270 WSM in a long action so that I have plenty of COAL to accommodate the longer 270 bullets.
Yes you will need a 7, I had a 7.5 but ended up ordering another in 7.
 
Got out to the range today, I shot the 128s in a 270wsm and my friend was shooting the 205s in a 300 PRC. Both BCs appeared to be right on out to 1070 yards, which was great to see. I am very eagerly awaiting those 150gr .277s.
Got out to the range today, I shot the 128s in a 270wsm and my friend was shooting the 205s in a 300 PRC. Both BCs appeared to be right on out to 1070 yards, which was great to see. I am very eagerly awaiting those 150gr .277s.
We have made a prototype. I'm having to borrow a 6.8 Western with a 1:7 barrel to test it. Bullet designed to work from 1:7.5 twist though. See the pic of the prototype below.
 

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