If you could actually get a .338 250 BD-2 moving that fast, you'd have a WMD. The 7mm 150 gr is bad enough.
Badlands BD-2 load data
- Thread starter sbruni
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willfrye027
Well-Known Member
Here's my load data for 25-06, it's a 26" 1:7 on a tikka action. Pretty finicky barrel but it shot the SBDIIs better than anything else, 1/4-3/4 moa depending on the day. BC was accurate out to about 850 yards. I used both hornady brass, and neck turned lapua 30-06 brass (58.1grs for same velocity with the lapua). Terminal performance at 495 yards on a blacktail was so-so for me, performed a lot like a Barnes TTSX. At 200 yards it was very impressive on a pig. I have since moved on to other projects but if you desire high BC and copper, these are a good choice.
I've still got quite a few of these bullets sitting around if anyone needs a couple boxes cheap.
They are designed to perform more like the Barnes - petals peel out rather than shedding. However, I have found them to shed at higher velocities and create dramatic terminal results.
Ran some loads across my LabRadar as I was shooting to see how they grouped, and also ran an IMR ladder.
338 Norma Mag
26" Bartlein 1:9.3 twist
Brass: Peterson (once fired)
Primer: Fed 215
Bullet: 275 grain BDII
Charge 87gn H1000 - two strings of five
1. DNR
2. 2796 fps
3. 2826 fps
4. 2786 fps
5. 2782 fps
Second string (ES of 12.13 and SD of 4.99)
1. 2790 fps
2. 2796 fps
3. 2784 fps
4. 2786 fps
5. 2785 fps
87.3 g H1000
1. 2815 fps
2. 2833 fps
3. 2839 fps
4. 2813 fps
5. DNR
IMR 7977 Ladder (virgin Peterson cases)
Charge/ Speed
79gn / 2534 fps
79.3 / 2551 fps
79.6 / 2539 fps
79.9 / 2547 fps
80.2 / 2560 fps
80.5 / 2570 fps
80.8 / 2563 fps
81.1 / 2594 fps
81.4 / 2596 fps
81.7 / 2629 fps
My twist rate is "marginal" on the Berger calculator, but I've shot tight groups out to 800. Wasn't impressed with today. But, it could have been me. Target was at the 300.
First target is from my normal hunting load of 86.9 grains of H1000. Average for that was 2750fps when I developed it. I did shoot this string pretty fast. All five shots in under three minutes.
Second is from the 87 grains of H1000. Seating depth on the 87 grains was not the same as the 86.9 grain shot group.
Going to work on the IMR 7977 some more and mess with the seating depth to tighten up the groups a little.
338 Norma Mag
26" Bartlein 1:9.3 twist
Brass: Peterson (once fired)
Primer: Fed 215
Bullet: 275 grain BDII
Charge 87gn H1000 - two strings of five
1. DNR
2. 2796 fps
3. 2826 fps
4. 2786 fps
5. 2782 fps
Second string (ES of 12.13 and SD of 4.99)
1. 2790 fps
2. 2796 fps
3. 2784 fps
4. 2786 fps
5. 2785 fps
87.3 g H1000
1. 2815 fps
2. 2833 fps
3. 2839 fps
4. 2813 fps
5. DNR
IMR 7977 Ladder (virgin Peterson cases)
Charge/ Speed
79gn / 2534 fps
79.3 / 2551 fps
79.6 / 2539 fps
79.9 / 2547 fps
80.2 / 2560 fps
80.5 / 2570 fps
80.8 / 2563 fps
81.1 / 2594 fps
81.4 / 2596 fps
81.7 / 2629 fps
My twist rate is "marginal" on the Berger calculator, but I've shot tight groups out to 800. Wasn't impressed with today. But, it could have been me. Target was at the 300.
First target is from my normal hunting load of 86.9 grains of H1000. Average for that was 2750fps when I developed it. I did shoot this string pretty fast. All five shots in under three minutes.
Second is from the 87 grains of H1000. Seating depth on the 87 grains was not the same as the 86.9 grain shot group.
Going to work on the IMR 7977 some more and mess with the seating depth to tighten up the groups a little.
Finally got my load to behave.
270 wsm tikka (roughtech factory barrel) 24"
128gr BD2s 96 thou off the lands
64.3gr RL23 @ 3188
ES/SD: 23/7
I think the load is shooting better than I can at this point, which I'm quite ok with.
270 wsm tikka (roughtech factory barrel) 24"
128gr BD2s 96 thou off the lands
64.3gr RL23 @ 3188
ES/SD: 23/7
I think the load is shooting better than I can at this point, which I'm quite ok with.
codyadams
Well-Known Member
I would look at 147 eld-m data, it will likely be similar in charge weights (but with higher velocity, obviously)
sbruni
Well-Known Member
Waiting on arbors to arrive but figured out I've got some neck tension issues to sort out… but grouping nicely .030 off… pretty sure I can tighten this up a bit more… and I was convinced I'd need rebarrel this one until trying the the BD
Attachments
Well did some testing today for seating depth. From Mag length all the way to .020 off the lands. Nothing to horrible actually so need to pick one and start working up powder charge. No speeds yet, using H4350, Lapua brass.
Attachments
Rem 700 / 18" 1/7 Twist, 6.5 Creedmoor / 135 SBDII
Lapua SRP, CCI 450, H4350.
when I get back out to test powder charge I will post full data, including weather conditions. All testing today was 37grns and no signs of pressure on brass.
Wedgy
Well-Known Member
- Joined
- Feb 9, 2013
- Messages
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That's why you need a fast twist barrel and long mag box so you have room left for powder.
Loaded some of the 150 BD2's in my recently re-barreled 8 twist 24" 7 Max. Was hoping to get these up near 3200 fps, Unfortunately it seems like I have a slow barrel. Ejector marks start showing up about 2950 fps. Have tried H1000, RL23 and H4831sc. The H4831sc shows some promise. Bullets seated to 3.030 OAL (0.020 off).
Here's the H4831sc:
60 - 2795 fps
61 - 2879 fps
62 - 2936 fps
63 - 2962 fps
64 - 3016 fps
65 - 3058 fps
66 - 3108 fps
67 - 3108 fps - Ejector mark
Looks like there's a node between 60-61 and 62-63. Too bad I'm pressured out at 66-67. Thinking I may load from 62-65 in 0.3 grain increments to see if I can find a better node. Thoughts?
Here's the H4831sc:
60 - 2795 fps
61 - 2879 fps
62 - 2936 fps
63 - 2962 fps
64 - 3016 fps
65 - 3058 fps
66 - 3108 fps
67 - 3108 fps - Ejector mark
Looks like there's a node between 60-61 and 62-63. Too bad I'm pressured out at 66-67. Thinking I may load from 62-65 in 0.3 grain increments to see if I can find a better node. Thoughts?
