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Have you looked at cross sections of both bullets? I think it’s obvious the BT Hunting is designed for animals. unlike the ELDM. I broke both shoulders on a 120-130lb doe and got an exit with a BT last week. 3000MV at about 200yds distance.

.257 125gr BT .257 120gr AB And I’m liking what’ve seen with the 160BT at 3000mv. Controlled expansion rather than explosion, like the old days. Id take a .308 200gr BT also

Anybody know the length of the bearing surface on a .308 200gr accubond?

I think the SHERMAN SS, Max and Mega are the same as what you are specifying. Same bf as a SAUM but the case is larger in diameter

Do you use bushing dies and expander Mandrels? Together with frequent annealing that’s the best way I know to get consistent neck interference/tension.

I’m hoping it will hold stability out to 500-600 maximum. Im thinking 9tw would be safe. Safer anyhow. I’ve got faster barrels for big Berger/monos. And more capacity to push them with! The bullet is absolutely capable, typical Nosler results in my experience. Those groups are from a 25 Sherman...

Anybody using a 1-10 twist with the ,257 115gr BT? Ive got someone trying to talk me into that barrel but I think 1-8 or 9 covers my tail. Im expecting 3200fps after FF/break in.

Get an external trigger for the Labradar, and a steady mount with 3 points of contact on the bottom, preferably hard rubber “feet”. in addition an external power source. You will enjoy it more with consistent shot readings and a longer lasting power supply.

I ran out of patience and swapped to the 153.5 Berger, it’s the bullet I had in mind when I built the gun. I’ve got a good supply. Still FF’ing brass but I wanted to start playing with seating depth on it anyhow. after sighting in at 100, these are my first 2 groups at 300yds. Measly 2780 fps...

What is the most common cure for these 2 tight/1 flyer groups? move bullet in or out? im using 142gr ABLR nevermind I got it solved.

Looks like I’m around .087 off lands currently.

If I try the 150gr .264 that’s good to know. potentially keeps more case space for powder.

Great info! I assume Bartlein hand laps. I’ve put about 60 through It now, might have to let it get a layer. It WONT be difficult. it gets clean quickly with Boretech.

That’s a good question…. Getting my case drilled and threaded today!

Is the jacket material used on ABLR softer than what is used on BT/AB? I know it’s a new barrel but I’m still getting a good bit of copper, now. And I’m cleaning every 10 after starting out at 1-3 shot intervals. new territory for me with this bullet, so I’m full of questions here. Thank you...

Got it repeating today from 1/2-3/4” at 100. 50 shots fired on new barrel now. Moving to 300 this week hopefully, kept powder and primer constant and just went deeper and watched it tighten up.👍 Taking it easy on the new brass, 300 fps under max at least. For a little while…

What increment do you move at a time? Like .010-.015 at first then maybe .003?

I do appreciate the first hand knowledge you share. After I get this Bartlein loose I’m going to give them a serious go. pulled my LE Wilson seater out today, and realized it’s not the Mic version. But the lathe is only a few miles away to get that fixed, thankfully, when the new one arrives. I...

I’ll start at .050 off and go deeper, thanks. Going to put a few dozen down the new barrel first.