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257 Roberts. 100gr or 115-120gr #16053702 05/04/21
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keith_dunlap Online Content OP
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I have a Husqvarna HVA long action, with a 25” Bartlein barrel.

I also reload..
No chronograph, but will probably be getting one

I’ve been hunting with Nosler 115 grain Ballistic Tips

Instinctively, I shoot behind the front leg, when possible.

My Question:

Am I better off with the higher speed of 100 grain bullets, or with the better energy retention of the 117 to 120 grain bullets?

Shots are usually under 250 yds, but longer shots are possible.

In the past, I used a 7mm Remington magnum, and I am comfortable taking shots out to 500 yards under hunting conditions. But I’ve put in a fair amount of time practicing

I know the Roberts isn't the cartridge for this, and I don’t expect it to be so.

Just wondering what the conventional wisdom was on the ideal bullet weights for the Roberts.

Ive wondered if going down to an 80 gr TTSX is the better choice.

Thanks for your advice


Last edited by keith_dunlap; 05/04/21.

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Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16053834 05/04/21
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NYNY Offline
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The 80 gr Barnes is a deadly killer.
Your question is where does it drop below 1800 fps.
At that distance a cup-n-core softpoint would be more reliable.

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16053853 05/04/21
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I don't see a downside to the 115 grain Ballistic Tip.

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16053858 05/04/21
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I've shot the 120NPT and the 110NAB at typical velocities, and preferred the 120NPT. It's a sweet little deer killer that I don't worry about if shot angles are bad. I also hunted with a 260Rem shooting the 100TTSX, which is same/same as a 257Roberts shooting the 100TTSX and it was a good combo as well. So long as you pick a well-constructed bullet, I don't think you can go wrong. My gut says that the 115/120NPT is slightly more "right" when shooting a Roberts, but that's just me and my way of thinking.


Now with even more aplomb
Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16053869 05/04/21
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plainsman456 Offline
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All of those bullets will work for what you want to do.

Just be sure to find out if the rifle likes them.

I am partial to the 100 grain,BT ,or partition.
Even the Hornady will do the job.

IC-A

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16053895 05/04/21
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Have used the Sierra 100 gr Gameking for close to 30 years with no problems whatsoever. My son uses the Nosler 100 gr BT and again no problems. The Roberts is not hard on bullets.
GreggH

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16053958 05/04/21
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I've loaded and used all those bullets you've mentioned on game. In the end I punted - I load and use the 110 gr. NAB at a MV of ~3000 fps on everything.

Re: 257 Roberts. 100gr or 115-120gr [Re: rickt300] #16053985 05/04/21
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Originally Posted by rickt300
I don't see a downside to the 115 grain Ballistic Tip.

There is none.

My Brux barreled .257R loves this bullet over H-4350, running around 2,900+ fps.

It also loves the 100 TSX over max dose of H-100V at 3,266 fps.

It likes the 120 NPT better than the 115 NPT. I picked up a good supply from SPS, which still has both on sale.

I've read that max charge of Hunter is good with 120's. Haven't tried it, but will. I'll use Fed 115 primers with Hunter as suggested by JB.

DF

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16054047 05/04/21
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260Remguy Offline
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My go to medium game bullet for the .257" bore cartridges like the 25 Souper, Roberts, Improved Roberts, 25 WSSM, 25-284, and 25-06 is the 110 grain AB.

This bullet gives me the sort of accuracy, speed and penetration potential that I'm looking for from those cartridges.

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16054144 05/04/21
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In my experience all the bullets mentioned work on deer from the .257 Roberts, whether up close or far away.

Have used the 115 Ballistic Tip as close as 30 feet, and much further than 250 yards. It worked great at both extremes..


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Re: 257 Roberts. 100gr or 115-120gr [Re: Mule Deer] #16054233 05/04/21
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115 gr. NBT over H-4350 is the most accurate load in my .257R, edging slightly the 100 gr. TTSX/H-100V load.

Both shoot better than half MOA at a hundred; both kill stuff dead and quickly.

The 120 gr. NPT is MOA or better, also an effective killer.

DF

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16054244 05/04/21
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Godogs57 Offline
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My Bob loves 100 grain partitions. Just absolutely adores em. The deer hate em.


You only live once, but...if you do it right, once is enough.
Re: 257 Roberts. 100gr or 115-120gr [Re: Godogs57] #16054315 05/04/21
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Originally Posted by Godogs57
My Bob loves 100 grain partitions. Just absolutely adores em. The deer hate em.

Just goes to show how different guns can be.

My rifle that likes the bullets mentioned, doesn't like the 100 or 115 NPT. Go figure.

I just feed it what it likes. And I'm sure that's what you do, as well.

As long as we know what our rifles like, we good to go.

And, us Loony types get all wound up over groups, whereas the worst shooting load will do fine for general hunting. Don't need half MOA to kill a deer. But a Loony will be a Loony... blush

DF

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16054403 05/04/21
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I get better groups with 100 gr NBT, but better knock down with 115 NBT.


There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps
Re: 257 Roberts. 100gr or 115-120gr [Re: Mule Deer] #16054421 05/04/21
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Originally Posted by Mule Deer
In my experience all the bullets mentioned work on deer from the .257 Roberts, whether up close or far away.

Have used the 115 Ballistic Tip as close as 30 feet, and much further than 250 yards. It worked great at both extremes..


How did the 80 grain TTSX work for you?

I shot some of them in the Roberts and 25 WSSM, but never found an MOA load in proven MOA rifles.

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16054515 05/04/21
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Cheesy Offline
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Dad and I both use 100 Interlocks in his Ruger and my Kimber for deer/antelope. They've worked fine, no need to try anything else. Of course they discontinued them a few years ago, but he's latched on to a few hundred for the time being.

Re: 257 Roberts. 100gr or 115-120gr [Re: Cheesy] #16054571 05/04/21
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gene270 Offline
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looks like you can take your pick of what you have or can get and what your gun likes...they all work

Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16054585 05/04/21
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last year i rebarreled a old 30 Rem. Express with a 7 1/2 inch twist 25 inch barrel chambered in a 257 Roberts and i have on order 135 gr. Berger 25 caliber bullets , but the 115 gr Berger bullets shoot excellent. believe me a 257 Roberts will kill deer at 500 yards with a good 115 gr bullet . the new 25 caliber 135 gr. Berger bullets will be as good or better than a Creedmoor out of my 257 Roberts for hunting , i should know i own some Creedmoors .


LIFE NRA
Re: 257 Roberts. 100gr or 115-120gr [Re: keith_dunlap] #16054783 05/04/21
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I use the 90 gr. TSX in my Model 70 FW and it's under 1 MOA. Shoulder shots have put every single deer straight down.


The lack of planning on your part does not constitute an emergency on my part!
Re: 257 Roberts. 100gr or 115-120gr [Re: DubThomas] #16054810 05/04/21
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Yaddio Offline
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Originally Posted by DubThomas
I use the 90 gr. TSX in my Model 70 FW and it's under 1 MOA. Shoulder shots have put every single deer straight down.


Could you share your load data please, or is it a factory load?

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