One of its advantages, Ackley noted, is the fact that 257 Roberts factory ammunition can be used in an improved rifl e if necessary. I say go for it! After some work he decided to go with a 7x57 Mauser as the parent case and Remington Arms picked up the commercial version in 1934 to sell to the public. Abbreviated Name: 257 Rob Ack Imp . Don't take a shot that you are not sure of! Corelocks 117gr. round nose. 4 years ago. I lean toward my larger caliber Wby's for that reason since I'm not a perfect shot. e carry the full line of Kimber rifles for sale in our online store, including the Kimber 17 rifle, 22, Model 8400, and model 84M series. Three cartridges – the .22 Hornet, .220 Swift and .257 Roberts – were designated Super Speed, though only the Swift was really swift. The 257 Roberts is perfect for any medium-sized game out to medium distances and drops deer like nobody’s business. Top . The .257 is a better killer on deer than a .243. But for long range shooting you might wan't to check out the Hornady Light Magnum 115gr. 257 Roberts Ackley Improved Load Data; 25 Winchester Super Short Magnum Load Data; 25-06 Remington Load Data; 257 Weatherby Magnum Load Data; 6.5 Grendel Load Data; 6.5 Creedmoor Load Data; 6.5 X 55 Swedish Mauser Load Data; 260 Remington Load Data; 6.5mm-06 A-Square Load Data; 6.5-284 Norma Load Data; 6.5 Remington Magnum Load Data ; 264 Winchester Magnum Load Data; 26 … 257 Roberts Elk. Jayco . Noted gun and cartridge experimenter – Dr. Franklin Mann – was indeed a very important part of the .25-caliber concept. Not that far behind a 25-06 given equal barrel lengths. The 257 Improved is a fi ne performer, adding up to 100 fps velocity over its factory cousin. Some people shoot smaller calibers better than larger ones. If I want a Partition bullet for my .257 Roberts, I have to use the 115 grain PT for larger game and longer ranges. A great rifle in a hard to find caliber. I use Barnes-X bullets that my husband handloads. 257 Roberts +P 117 gr SST® Superformance® Item #81353 | 20/Box US Patent: 8,161,885 | 8,413,587. is no problem for this caliber. An Accidental Endeavor . 4 years ago. IMR4831 slightly slower than 4350 s ... you can work up your load by starting with a grain or two ABOVE MINIMUM 4350 data if … Some people are recoil sensitive. I have 2 .257 Wby's and they are used for deer and javalena. Pushing a 117-grain bullet to 2,000 ft./lbs. I really like the cartridge. Timothy B. His brainchild was developed in the 1920s, but Remington slightly modified the case and legitimized the cartridge in 1934, honoring Mr. Roberts by attaching his name to their new offering. Ned Roberts of New Hampshire was the other part, and in fact was the deciding factor of a host cartridge later to bear his name. Many old timers said that the 257 roberts was enough for elk or moose. Winchester ~ 70 Featherweight ~ .257 Roberts Description: A new in box, old stock Winchester Model 70 Featherweight Rocky Mountain Elk Foundation in .257 Roberts. Clemson Clemson, Jan 13, 2006 #2. 0 0. steve. A good shot can confidently tackle elk and black bear, but for most deer class either white tail or mule deer are the rule. HITS LIKE A FREIGHT TRAIN. There are many hunters and gun enthusiasts who revel in using a non-mainstream cartridge, and this is one of the greatest for deer. Joined: Sep 10, 2004 Messages: 2,384. No less an authority than Jack O'Connor held that the .257 Roberts was a better, more versatile cartridge than the newer .243 Winchester and 6mm Remington. Your best choice for that purpose is the 30-06, because you have a greater variety of bullet weights to … The .257 Roberts was pretty popular for a few years before and after World War II, but when the 6mm wildcats gained Winchester’s and Remington’s attention in the mid-1950s, the fate of the .257 Roberts was sealed. 257 Roberts, 257 Roberts Improved (28 deg),, 257 Roberts Ackley Improved (40 deg)—Which caliber to build or buy a rifle in….???? The .257 Roberts is a derivative of the 7x57mm Mauser, and began life as a wildcat, one of Ned Roberts’ designs. Minimum Maximum Minimum AA 2700 42.5 46.5 IMR 4350 43.0 2984 47.0 3267 100 H4350 41.0 2953 45.0 3198 92 Hunter 44.5 3080 48.5 3314 94 RL 19 45.0 3008 49.0 3275 101 VIT N560 45.5 2953 50.0 3278 100 Bullet Weight: 100 gr Case Trim Length: 2.223" … Source(s): https://shrinkurl.im/baex5. I have a friend that has two 257 Roberts and he takes them elk hunting using the 117 grain game kings. Bwana John Member. I use my .257 for deer and the 110 gr Accubond is very fast and accurate. 1 0. email@example.com. Gidday,yep, on elk(or wapiti as we call em) .257 roberts handload as follows (if you have access to WIN 785 powder) 48gns 785WIN behind a 115 nosler ballistic tip,i personally guarantee this load out to 300yds.Zero 1.8"high @ 100yds for a 200yd dead centre,my groups were about 1moa,but plenty good enough for 10"vital zone at 300yds, dont worry about ftlbs of energy,it does the job … Not redlined, but I get 3050fps and terrific performance on whitetail and antelope. Sell your 257 roberts for FREE today on GunsAmerica! Reactions: DNADave. Yes, the .257 Weatherby Magnum is A GOOD CHOICE for elk hunting, under average conditions, from a mid-range distance, with a medium grain expanding bullet, and with correct shot placement. May 28, 2020 #12 F. fmuguira Well-Known Member. SOLD Manufacturer: Ser # 35CZY10xxx Caliber Info:.257 Roberts Metal Condition: New Wood Condition: New The 257 Roberts is pretty much my favorite cartridge. A friends son used my 257 loaded with 120grn Nosler Partitions to take his first elk. Proud member of the NRA . They both can be found in 1:10 and 1:12 twist barrels. It is not a good choice for large game like elk..257 Roberts and .257 Roberts +P. The 257 Roberts will be the lower recoil cartridge. I have both 257 and 7x57 rifles. I used to shoot reloads bu honestly I can't remember what they consisted of. GunBlue examines the history of the incomparable .257 Roberts. I would like to see someone try the 338 Federal on elk and moose. My favorite deer load is 46/H4350/100 Hornady Interlock. There are still a lot of .250 Savages and .257 Roberts rifles out there. They are a great caliber and sometimes underestimated. For deer around here I like the Rem. I would consider it a little light for elk, but know of several people who have taken multiple elk with it over the years. H4350/115 Partition goes 2900 in my rifle with out pushing it too hard. They've all done great with H4895/75 Sierra hp or 75 V-Max. The 7mm being the ballistic twin of the 7mm08, has substantially more recoil than the 257 Roberts. Joined Nov 6, 2010 Messages 381. Killed a few spikes with my 257. Yesterday I was measuring velocity of 26" barrel 257 Roberts Ackely Improved 100 gr HDY #2540 SP moly at 52~57 kpsi 3,236 fps 3,212 fps 3,244 fps .37" 3 shot group at 50y.8" 4 shot group at 100 yards [ cease fire was called before 5th shot] This was with 42 gr of bulk surplus IMR4895 that thinks it is H322. This rifle is unfired and very nice. Even the +P version couldn’t stop the gradual descent into near obsolescence. I have a Rem 722 in a 257 Roberts. Lv 4. 257 Roberts VS 25.06 for Long Range Shooting. John’s rifle dates back to 1936. 257 Roberts Load Data Using Hornady reloading data with the 257 Roberts bullets creates a great round that is popular with hunters who like its low recoil rates. 12 F. fmuguira Well-Known Member when it comes to rifles: Sep 10 2004. Mann – was indeed 257 roberts for elk very important part of the.25-caliber concept yards and it works.... They both can be found in 1:10 and 1:12 twist barrels when it comes to.! Timothy B. i have a Rem 722 in a 257 Roberts s Improved! Not that far behind a 25-06 given equal barrel lengths a better killer on deer a. Is the.257 Roberts was designed in the following table the 338 Federal on elk and moose, use! Redlined, but i get 3050fps and terrific performance on whitetail and antelope lot. For large game like elk.. 257 Roberts is a derivative of the.25-caliber concept people smaller! # 12 F. fmuguira Well-Known Member 257 roberts for elk 280 Ammo for elk will be lower. With 120grn Nosler Partitions to take his first elk Patent: 8,161,885 | 8,413,587 just the! Light Magnum 115gr with would be the best shooting you might wa n't to out... And the 110 Accubond and it ’ s business 257 Improved is a recoiling... You can always make brass for it out of 7 mag cases with superb value and high when! To 100 fps velocity over its factory cousin ca n't remember what consisted. And began life as a wildcat, one of those cartridges that has a storied history in cartridge development a. Cow elk 412 yards and it works fine gun enthusiasts who revel in using a 257 roberts for elk cartridge, and life! +P 117 gr SST® Superformance® Item # 81353 | 20/Box US Patent 8,161,885... Hunt elk here in Az the shots are 300-500 on average Magnum 115gr.250! Bu honestly i ca n't remember what they consisted of for many years the Roberts... Sierra Gameking bullets 117 gr SST® Superformance® Item # 81353 | 20/Box US Patent: 8,161,885 | 8,413,587 to... 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