.257 Roberts Accuracy

Willy Tincup

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I read somewhere that "Most 257 Roberts rifles are most accurate with 100 gr bullets?". Do you agree or disagree with that statement, based on personal experience?
 
I read somewhere that "Most 257 Roberts rifles are most accurate with 100 gr bullets?". Do you agree or disagree with that statement, based on personal experience?

That is a common saying, but in the half dozen that I have owned and loaded for, the accuracy with 117 gr bullets is equal to the accuracy with 100 gr bullets... I also shoot the 75 gr VM and HB and they are quite accurate also. You should be good with anything between 75 and 117 grains.
 
I had a 700 Classic in 257 Roberts. It showed absolutely no difference in accuracy as far as weight was concerned.

The original barrel, that I eventually shot out, preferred boattail bullets though. I rebarrelled it, and the Shilen
didn't show the same affinity....shot everything sub-moa.

Regards, Dave.
 
Another issue is lots were long throated so hard to get to the lands with the short action mag box length. my 700sa is like that factory ammo ( 3 kinds) shoots not to bad and just starting to reload for it.
Hopefully will work up a load with 100ttsx and RE19 as they like to jump a bit, have 110 accubonds and bt's and some hornady interbond and interlock and speer ttbc to so something should work.
 
I read somewhere that "Most 257 Roberts rifles are most accurate with 100 gr bullets?". Do you agree or disagree with that statement, based on personal experience?

I've tried heavier bullets in mine and always went back to 100s. I think the brutal recoil of the 115s and 120s had something to do with my bad results with heavier bullets.

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I've had customs, Ruger 1s,Ruger 77s, Rem Classic, and Several Win70 Featherweights, all in 257 Roberts, all were accurate, and all shot best with "heavy for cal. Bullets" I love the calibre, it seems to perform BETTER THAN IT SHOULD. I just acquired a Mk1 77 Ruger Ultra lite...it probably won't be shot. White tails hate the 257 Roberts.
 
I've tried heavier bullets in mine and always went back to 100s. I think the brutal recoil of the 115s and 120s had something to do with my bad results with heavier bullets.

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Creative writing at it's finest.
First shawt..... ate clikkies.........citer...........me lawrd SewperKubb, yer gewd........ :wave:

Sumtimes I call'im oh chits, t'uthers.....well pawty mouth.
 
I just acquired a Mk1 77 Ruger Ultra lite...it probably won't be shot.

It wasn't here long, but since my M77 MKII Ultralight .257 Roberts has not arrived from stateside, I miss it in the cabinet.

I have a few interesting ones inbound though... chomping at the bit to get them to the range, and get the kinks worked out of the loads...
 
My 700 Classic loved 110 ABs............I think what the op is referring to was the original rifles as they had a slow twist and Ned Roberts envisioned it as a varmint round originally, much like the 244 Rem. The original Bobs did not like bullets heavier than 100 gns but that twist has been tightened and they shoot all weights pretty darn good now.
 
The 257 Roberts are like many other calibers/rifles, each one seems to like different gr bullets. There are some rifles that will shoot great with almost any gr bullet. The best is to try different gr bullets in your rifle to see where the sweet spot is.
Seems strange, but I have seen rifles react differently by simply switching shooters.
 
Another issue is lots were long throated so hard to get to the lands with the short action mag box length. QUOTE]
My Sako AII has the same problem, it has a Douglas barrel but the chamber has a long throat. Single loaded with 117 gr bullets hanging way out it shoots .5" and I have shot a .25" group BUT loaded to feed from the mag it shoots an inch. Lighter bullets just do not have enough length to get best accuracy. I guess I have to put up with the hellish recoil of the heavy bullets!!! Unfortunately it is a 2.23" case in an action best suited for 2.0". I have thought about having the barrel set back and chambered in 250 Sav Imp. but for a hunting gun 1" groups are OK and if varmint hunting I can still single load it.

270 totheend
 
For quite a few years I had a .257 Roberts in a Rem. 700 Classic. It had a very long throat and best accuracy was obtained with 120 grain bullets and stiff charges of I4831 powder.

Don't know how Super Cub can put brutal recoil into the same sentence with .257 Roberts (unless he is doing it tongue in cheek.)

Jim
 
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