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  #1  
Old 04-15-2004, 12:57 PM
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comments on the 257 roberts or 257 Wetherby mag


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I come across a nice action that was used in a 257 Wetherby magnum but could be used to make a nice 257 Roberts.
Are there any fans out there in these calibers. I have several rifles in various calibers but not these. The gun would probably end up as a range gun and for some eastern whitetail deer.The main reason I am attracted to this action is its nice and I think it would be a great project rifle to build.
I load my own ammo.
How does the 257 shoot? Is it half-way between a varmit rifle and a 30-06? Is it a streach to use on whitetail deer?
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  #2  
Old 04-15-2004, 01:43 PM
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Two vastly different calibers... and by the way the bolt face on the .257 Weatherby is much larger than the Roberts. You can convert up but down is harder, basically need a new bolt (or sometimes just the bolt face depending on the gun).

.257 Rob. has worked fine on any number of whitetails, mulies, and pigs that my wife and I have used it on. Also does a number on jackrabbits & prairie dogs.... a truely versatile cartridge.
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  #3  
Old 04-16-2004, 04:18 AM
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swifty - Why not just build a .257 WBY Mag rifle? That way there's no action work involved! It will do anything that the .257 Roberts will do and then some! The Robert's is a good round but since you handload you can go from mild to wild with the Weatherby! Good luck!
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  #4  
Old 04-19-2004, 11:54 AM
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OOOHHHH

If it is a .257 Weatherby, leave it that way! A super cartridge and the largest selling Weatherby where I now live (in Texas). I bought mine in 1968, and although it has never had a chance to tag any big game, it has been **** on varmints! Have to take the shots at 300+ yards to be "fair" to the woodchucks though. The .257 Weatherby packs all the punch of the .30-06 in a fat case, while giving far less perceived recoil too. The .257 Roberts is in a class with the .243 WCF, unless you work up some spicy handloads, and is no where near the powerhouse that the Weatherby is.

Larry
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  #5  
Old 11-24-2013, 11:52 AM
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What is the actual difference in a .257 Roberts and Weatherby? since both are the same caliber I can't see how there could be that much difference?

I've got a .257 Roberts and am considering using it for a coyote rifle this Winter.
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  #6  
Old 11-24-2013, 12:24 PM
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Beagler , if you have a 257 Roberts then you have one of the very best medium calibres you can buy. It will do anything, even large piggies and black bear if you put it where it counts ..but that goes for all other calibres as well. I have had two 257Rbts and shot a lot of various animals with it including a seriously big aoudad ram, a 300lb Texas Tusker etc etc. A real pussy cat on the recoil side. I used 87grainers for coyotes in South Texas and they did not complain :-)

The Weatherby 257 is a completely different animal as most Weatherbys where/are Take the loading 50grains for the Rbts and 70grns for the Wthby and a 300fps velocity gain.
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  #7  
Old 11-24-2013, 12:39 PM
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I'd save that nice Weatherby action for something it's worthy of. Nothing against the quarter bores, of which I'm a fan, but it seems a waste to turn it into .257R. The .257R is a very capable deer and antelope chambering. It's also a prediator's and varmint's nightmare. One of the truely versatile chamberings and even more so if you are a handloader.
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  #8  
Old 11-24-2013, 02:46 PM
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make it a 257 roberts ackley improved
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  #9  
Old 11-24-2013, 07:00 PM
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Swifty,

I have a .257 Roberts, great rifle, goats, whitetails, muley's and even an elk has fallen to that rifle with 120gr nosler partitions.

My old neighbor had a .257 Weatherby, As much as I love the .257roberts, it is not in the same league as the 257Roy.

I don't think you are going to convert that Roy action to Bob. When I think .257 Weatherby, its more in the class of a .264 win mag
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  #10  
Old 11-25-2013, 12:13 AM
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Originally Posted by Beagler View Post
What is the actual difference in a .257 Roberts and Weatherby? since both are the same caliber I can't see how there could be that much difference?

I've got a .257 Roberts and am considering using it for a coyote rifle this Winter.

With factory loads using 115-117gr bullets the Weatherby will push them about 600+ fps faster at the muzzle. That adds up to a little over 2000 ft lbs of ME for the Roberts and about 2950 ft lbs of ME for the Weatherby. Pretty big difference !! BTW, this thread is 7 years old and Beagler rekindled it by asking the difference in the two. It was the old thread where someone had a action to do something with.
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  #11  
Old 11-25-2013, 06:06 AM
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Guess I didn't catch that. Feel stupid now.

If checking out the factory .257 Roberts ammo, there is still some stuff that isn't very hot giving homage to the weaker rifles chambered as such.

When handloading, the Roberts can be spiced up to the +P pressures. If doing that the difference between the Bob and Roy, while using the same weight bullet, is about 400 FPS and 22 grains of powder.
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Last edited by MontyF; 11-25-2013 at 02:17 PM. Reason: clairfied statement
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  #12  
Old 11-25-2013, 08:31 AM
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I have owned most all of the quarter bores,from the Roberts which is nothing more than a 7mm necked to .257.Improved Ackley is a great cartridge.I like the 257 Weatherby even if it is tough on barrels.The one I have now will shoot 1/2 groups with 100 gr Barnes TTSX at 3605 FPS.On medium game it's devastating but you need good bullets.It takes the same length action that the Roberts uses and you don't have to use premium bullets.So it's a give and take,however you would have to buy a very expensive bolt for a standard case head.
The Weatherby does burn a lot of powder and it has diminishing returns.
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  #13  
Old 11-25-2013, 01:38 PM
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No experience with the Weatherby but have owned 2 .257R rifles. The one I kept is a Remington Classic from the special run back in the mid '80s. I've taken quite a few deer with that wonderful rifle but have never been able to get that "gilt edged" accuracy that comes so easily for the .250 Sav. With a modest load of 4350 I get 3200fps with 100grn bullets. I've never tried anything heavier but have a good supply of 115, 117 and 120 grain bullets I'm eager to try.

The .257R is a fine all around cartridge (especially if you handload) that will do for anything except the big bears & moose. I know it isn't considered an elk cartridge but use the correct bullet and it does that too.
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  #14  
Old 11-26-2013, 10:59 AM
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257 Roberts fan

You asked for fans of either, so here's a vote for the Roberts. Got a small-ish "kid's" rifle in that loading 20+ years ago for my son, and have used it myself for the last 20. It's nearly perfect for deer/antelope out to 300 yards. Bigger critters? Longer distances? There are better choices. But honestly, for a lot of folks, the 257 Roberts covers most of your needs. Fill in with a 30, 325, or 338 caliber for bear, elk, moose, and you're covered 100%. 257 Mag. is a bitchen round, but really more than the doctor ordered for 95% of real world hunting, don't you think?

My 257 Roberts is one of a couple of guns that I'm confident: If I aim it, the critter goes down. So yeah, I'm biased.
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  #15  
Old 11-26-2013, 11:23 AM
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Quote:
Originally Posted by MontyF View Post
Guess I didn't catch that. Feel stupid now.

If checking out the factory .257 Roberts ammo, there is still some stuff that isn't very hot giving homage to the weaker rifles chambered as such.

When handloading, the Roberts can be spiced up to the +P pressures. If doing that the difference between the Bob and Roy, while using the same weight bullet, is about 400 FPS and 22 grains of powder.
And a whole lot of barrel life difference, I personally would perfer a 22" barreled Roberts over a 26" or 28" barreled Weatherby any day. The 257 Roberts will kill anything the Weatherby will, while using inexpensive cup and core bullets whereas you will need premium controlled expansion bullets in the Weatherby.

Last edited by fritz1; 11-26-2013 at 01:17 PM.
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  #16  
Old 11-26-2013, 12:03 PM
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Originally Posted by fred243 View Post
With factory loads using 115-117gr bullets the Weatherby will push them about 600+ fps faster at the muzzle. That adds up to a little over 2000 ft lbs of ME for the Roberts and about 2950 ft lbs of ME for the Weatherby. Pretty big difference !! BTW, this thread is 7 years old and Beagler rekindled it by asking the difference in the two. It was the old thread where someone had a action to do something with.
I did a search to make sure I wasn't askin the same question that has been answered a few times already, and I found this one. Guess I should have started a new thread. Either way, got my question answered and then some. Thanks.
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  #17  
Old 11-26-2013, 12:08 PM
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The .257 Roberts is a great cartridge as long as the barrel has a twist faster than one in ten to be able to stabilize bullets over 100 grains.
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  #18  
Old 11-28-2013, 04:28 PM
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I am one who never did put the .257 Weatherby in the same category as the rest of the varmint calibers or deer rifles in my state! This caliber takes a truck load of powder per case. A pound of powder will last me a long long time loading loading a .222 (22grns) or .223 calibers (24grns).

The .257 Weatherby is not gentle on muzzle blast either and it's recoil is much more than most varmint/predator hunters want in a field gun. I would say this Weatherby caliber is more for antelope or mule deer far out yonder way

Now the .257-Weatherby takes close to 75 grns of powder verses the .257 Roberts case that uses around 41 to 43 grains of powder. So it costs almost twice as much in powder and 3 to 4 times as much in brass.
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  #19  
Old 11-29-2013, 04:30 PM
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I have had a model 70 featherweight model 70 post 64 since the mid 80's and it it or its big brother the 7x57 in the same rifle are my favorite mule deer rifles.
The 7x57 holds up much better in accuracey from my rifles over 300 yards but the 257 roberts is my most accurate 100 yard rifle.
I also have a weatherby vanguard in 257 weatherby and it is a great long range caliber. But unless your shooting over 300 yards I like the 257 roberts better.
To be honest for long range mule deer or medium range elk I preffer my 6.5x06 or my .264 win mag anyway.
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  #20  
Old 12-02-2013, 05:09 PM
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Quote:
Originally Posted by MontyF View Post
Guess I didn't catch that. Feel stupid now.

If checking out the factory .257 Roberts ammo, there is still some stuff that isn't very hot giving homage to the weaker rifles chambered as such.

When handloading, the Roberts can be spiced up to the +P pressures. If doing that the difference between the Bob and Roy, while using the same weight bullet, is about 400 FPS and 22 grains of powder.

Lots of advice.
No need to mess w/ a new bolt. Leave it a Wby and dont load to the max. You will shoot better and so will it.

Weatherby brass is about $2/pop. Didnt see anyone mention that. I got lucky and got some from Midway 15 yrs ago that was from Weatherbys sight in range. All guns are shot before shipping.
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