257 Weatherby Magnum Videos

257 Weatherby Magnum

(31 customer reviews)



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Roy Weatherby’s personal favorite. Travels 3,870 fps (80 grain bullet), giving you the flattest trajectory of any 25 caliber rifle in the world. Suitable for long-range varmint shooting but ideal for big game hunting (depending upon bullet weight).



Bullet Type Bullet Weight B/C @Muzzle 100 yds 200 yds 300 yds 400 yds 500 yds
Hornady® Interlock® 100 .357 3602 3298 3016 2752 2503 2267
Barnes® TTSX™ 100 .357 3570 3269 2989 2726 2478 2243
Hornady® ELD-X® 110 .465 3400 3176 2964 2762 2569 2384
Nosler® Accubond® 110 .418 3460 3208 2971 2747 2533 2329
Nosler® Ballistic Tip® 115 .453 3400 3170 2953 2746 2549 2360
Nosler® Partition® 120 .391 3275 3018 2776 2546 2328 2120


Bullet Type Bullet Weight B/C @Muzzle 100 yds 200 yds 300 yds 400 yds 500 yds
Hornady® Interlock® 100 .357 2881 2416 2020 1682 1391 1141
Barnes® TTSX™ 100 .357 2830 2372 1983 1650 1363 1117
Hornady® ELD-X® 110 .465 2823 2464 2146 1863 1612 1388
Nosler® Accubond® 110 .418 2924 2514 2156 1842 1567 1325
Nosler® Ballistic Tip® 115 .453 2952 2566 2227 1926 1659 1422
Nosler® Partition® 120 .391 2858 2426 2053 1727 1444 1198


Bullet Type Bullet Weight B/C 100 yds 200 yds 300 yds 400 yds 500 yds
Hornady® Interlock® 100 .357 2.4 3.1 0.0 -7.7 -21.0
Barnes® TTSX™ 100 .357 2.4 3.2 0.0 -7.9 -21.4
Hornady® ELD-X® 110 .465 2.6 3.3 0.0 -7.9 -21.0
Nosler® Accubond® 110 .418 2.6 3.3 0.0 -7.9 -21.2
Nosler® Ballistic Tip® 115 .453 2.7 3.3 0.0 -7.9 -21.2
Nosler® Partition® 120 .391 3.1 3.8 0.0 -9.2 -24.8

31 reviews for 257 Weatherby Magnum

Based on 31 reviews
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Showing 28 of 31 reviews (5 star). See all 31 reviews
  1. Tigger

    Well the problem here as in Alberta, Canada, we cant get rifle ammo and I am finding very hard to find any 257 weatherby ammo anywhere, so dont know what weatherby is doing, but not good for sure.?????

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  2. J Piccer

    Great ammo.Dropped deer at 238 yards in its tracks.Through both shoulders

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  3. John Henry

    I have hunted and shot everything in North America (except polar bear.). All of the game died on impact. The 257 weatheraby mag. Is the greatest.

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  4. Torgy

    I have replaced a number of my hunting rifles for the 257 Weatherby. This round out performs so many other calibers that I have used over the years.
    I purchased my Weatherby rifle in 2012 and could not be more happy with it. I shoot mostly the 120 grain Nosler and I have killed several Antelope and 4 deer here in my home state of Wyoming and all have been a one shot kill.
    Last Fall I shot a antelope buck at 425 yds and the antelope ran only 20 yds and dropped dead. That antelope scored 81.7 Boone and Crocket.

    I am in the process now of purchasing another Weatherby mark V in 257.

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  5. Jay O.

    The .257 Weatherby Magnum cartridge is amazing in itself, and the rifles being produced in this chambering continue to amaze me with their accuracy when using factory ammo. Whether at the rifle range with my brother and his 50 plus year old Southgate Mauser .257 Weatherby Magnum or my not so old USA made Accumark .257 Weatherby Magnum, the quality from the very beginning to today, is very admirable of the dream Mr. Roy Weatherby had in mind when developing high velocity rifle cartridges. We have taken a number of long range whitetail deer and New Mexico pronghorn with theses rifles, and the results are devastating to say the least. We love our Weatherby rifles because of the repetitive success we have when the time comes to harvest our game animals.

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  6. peck

    I hunt and shoot large whitetails in NW Ontario , Canada . of all my rifles I just cant help picking out the 257 for that big buck . ammo is scarce up here but still findable and always reloadable . I prefer 117 grn. weatherby factory its outstanding

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  7. jd

    Excellent caliber at 280 yards

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  8. M Sharp

    I’ve taken over a dozen large Whitetails with my .257 at ranges from 75-367 yards. All have been quick, clean and humane. I’ve never had one take more than a few steps after impact!

    If you do your part, the ammo will definitely do it’s part.

    I shoot the 110 Accubond’s and I couldn’t be happier with the performance and accuracy! I can “cloverleaf” three shots at 200 yards from a bench. That is extremely impressive from factory ammunition.

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  9. Jclark

    A few years ago I decided to find a new gun. I wanted something a little more enjoyable to shoot and after a little research I decided on the .257 weatherby and I couldn’t be happier. I’m using the 110 accubond and it is a absolute laser. My longest shot is 407 yards on a hog and a couple whitetail kills at close to 300 yards. I’ve never had an animal go more than a few yards. Its hard to explain until you experience for yourself. Don’t let the cost of ammo deter you from experiencing the incredible 257 weatherby

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  10. Groundpounder 69

    The 257 Wby Mag will reach out and touch game animals out to 500 yards without any problems as long as you do your part holding the crosshairs still .
    Every deer I hit drops like a rock . I use 110 grain accubond .

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  11. Jhood

    Great flat shooting hard hitting .25 cal. Have one in a vanguard deluxe then had a custom rifle built in 257 wby as well. Can’t believe how flat it is and how well it kills . Used it on 20-30 whitetail over the years and not one have left their tracks. Kills better than my 06 and 7 win mag without the recoil. It has quickly become my favorite deer round and have used it out to 500 with just a hold over.

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  12. Old Man

    I have been shooting the 257 for what seems like forever. I have killed far too many deer, hogs, and coyotes to remember. T he salient point is that this cartridge has never failed me. Too, it is a real help that all factory bullets seem to shoot nearly to the same point of aim. I do not know how many different rifles I have owned and shot in this cal., but right now I am shooting the Mark V ultra light, and it is a joy.

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  13. Fatboy

    I’m 73 years old , so I don’t do much hunting anymore but I still love to shoot. I go to the range 5 or 6 times a year. I load my own shells for two reasons. Cost and they are more accurate. People complaining about the cost of shells must not be picking up their spent brass. Once you have your brass it’s not that much more per shell than any other round. Besides, you MUST pay for the finer things in life.

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  14. beard

    257 with laser genetics subzero mounted to leupold 4.5-14
    if u can see’em
    u can kill’em
    lethal out to 400 inn dead of night

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  15. Chuck

    I have two 257 Mag Weatherby’s a custom and a standard mark 5, they have amazing killing power for game up and including Elk. Put away your 06 and your 7mm Rem Mag this does a better job with far less recoil the only drawback is that the ammunition is a bit pricey. So if you want the best…pay for it or start reloading!

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  16. jd

    highly accurate and pleasant. good for sambar deer of 180 kg

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  18. Tom, BC, Canada

    I LOVE my .257, have downed several deer with no complaints or issue. I really want to use it on elk? Shots will be anywhere from 100 – 400 yards in my area of BC. So wish me luck. I honestly do not see and issue using this amazing caliber with either the 110gr or the 115gr.

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    I bought my first .257 Weatherby in 1981, just added a Backcountry in .257. 100 gr. SP Bullets are like shooting Lightning Bolts. Many Muleys, Whitetail, & Antelope. Knees buckle and they hit the ground without the mass destruction of many other rounds. Roy made the best round for deer sized game and it is the .257 Weatherby Magnum.

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  20. John Minnich

    I have 3 Weatherby’s. My beautiful .257 Mark V Delux shoots .75”-1.00” 5 shot groups at 100yds. If your a reloader try 71.5gr IMR 7828ssc with a 100gr Barnes ttsx. Cartridge length 3.170”. My Lab Radar 3565fps. Awesome rifle, wonderful cartridge. Keep up the great work Weatherby.

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  21. Matt S.

    I have two 257 Weatherby’s both are tack drivers. Shoot factory loads in one 100 grain Spitzer and the other one I shoot 115 grain nosler partitions. Both deadly and drops deer in there tracks. Recommend this caliber to anyone just awesome.

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  22. Bob Hurley

    I bought a Mark V in .257 in the mid-70’s for a trip I was planning to Alaska to hunt sheep, goats, black bear and moose.The Alaska trip fell through, but I hunted groundhogs for years with the .257. The difference in terminal ballistics between the .257 and my buddy’s .25-.06 almost has to be witnessed to be believed. I’ll own another .257 if I live long enough.

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  23. Dan Parker

    My favorite deer cartridge by far. My Vanguard Deluxe 257 Weatherby absolutely loves the Weatherby Select Plus ammo with 100 grain Barnes TTSX’s. This combination shoots sub MOA and is devastating on big Montana muley’s and whitetails. My longest shot on a buck has been 476 yards. One shot just above the heart and down he went. I’ve also taken 3 bull elk with my 257. The bulls have all been between 150-420 yards. I won’t hesitate to use it for elk every year. My favorite cartridge hands down.

    Image #1 from Dan Parker
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  24. Pistol Pete

    Love the 257 Weamag! 100gr. Barnes TTSX hits like a lightning strike. My Backcountry 2.0 really likes this ammo and makes a great combination.

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  25. Craig

    I don’t bow hunt. The reason for that is that when I decide to send one down range, I don’t want to follow a wounded and suffering game animal for a distance into the brush. That’s why I chose the 257 Weatherby Magnum. Whitetails drop like they were struck by lightning and are dead before they hit the ground. The 100 grain spire point is my go-to. It’s sub MOA in all weather, all day long out of my Mark V Deluxe. Do yourself and the deer you harvest a favor and go with this venerable round. Roy knew it was special and that’s why it was his favorite. It’ll be yours too.

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  26. Bob Fountain

    Traying to go a little heavier on the bullets for larger animals–Anyone have a good consistent load for the Weatherby .257 Mag using 120gr bullets. Please post

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  27. Dave

    I’ve shot many whitetail, mulies, antelope, caribou and elk over the years. I have also had to eliminate many a varmint. I have shot competitively and reloaded my own. NEVER have I had a round hit so hard and kill so cleanly than the 257 ROY. This round was developed by someone who knew their SH&*%t.

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  28. Ed B.

    I’ve owned a 257 weatherby of some sort since 1997. The first deer rifle I owned was a 25-06–it always dropped dear like lightning. Staring my first job out of college and hunting season looming—I bought myself a gift—it was a G. McMillian Talon in a 257 weatherby—it stepped up my “speed” game. Still have that lovely rifle, also with a super accurate weatherby accumark. We have taken everything from Dall sheep to African plains game with this cartridge…awesome speed and effectiveness on game.

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