(22 inch bbl. Hopefully, this process will become clear after we look at some data. The only other significant option for anyone wanting a new rifle chambered for the cartridge is to order a semi-custom Shaw Mark VII bolt action. Load #3 features a 120 grain bullet, the heaviest hunting bullet loaded in the Roberts. The only watch-point for the Hawkeyes in .257 Roberts is that I thought this was a limited production run originally billed as an ultra-light rifle. The hottest .243 Winchester factory load I was able to identify for the article The .243 Winchester: Its Capabilities as a Deer Cartridge specs out as follows. It is clear that the .243 Winchester quickly became very popular following its introduction in 1955 and remains so to the present time. The hottest commercial .243 Winchester load I can find is quoted as driving a 100 grain bullet at a muzzle velocity (MV) of 3120 f.p.s. (The cross-sectional area of a .257 inch diameter bullet is 0.0519 sq. Talk to an expert. load falls 25 yards short of its MPBR. As it turned out, the .257 Roberts was chosen because I had obtained a rifle about a year earlier. Note that the EKR of the .243 Win. This was 1346 ft. lbs. The 257 is of course the .25 caliber, using bullets weighing from 60 grains on the light side to 117 or 120 grains for deer hunting. Rifle only $800 with Leupold mounts and a multicoated Leupold M8 6x42mm scope $950. Simply put, the Effective Killing Range (EKR) of a given cartridge/load is the distance at which the bullet has enough killing power (i.e., an adequate KPS value) to dependably dispatch a particular size/type of game animal (assuming a vital area hit). BT bullet, BC .459, MV 2700 f.p.s. ", "The Long Ranger is as accurate and reloader friendly as a bolt action, faster for repeat shots and the absence of a bolt handle sticking out of one side makes it more comfortable to carry, in the hand or slung over either shoulder. Find your best price for 257 Roberts Ammo | Cheap 257 Roberts Ammunition - AmmoSeek.com Search Engine 2020 The Guns and Shooting Online Rifle Cartridge Killing Power Formula uses downrange impact energy, bullet sectional density and bullet cross sectional area as input variables. If you walked into your favorite local gun shop or hunting supply store and did not find 257 Roberts ammo on the shelf, I would not be shocked either. Shipped in a hard case. 1-2 shots and done. .257 Load #2: Hornady Superformance, 117 gr. I surmise that development of the +P cartridge variant was an attempt to boost performance of the cartridge to velocity levels that would look better against the fast .243s. (Commercial manufacture Remington Model 722 and 700, Winchester Model 54 and 70, Mauser Model 98 and Mannlicher-Schoenauer bolt action rifles in good condition should be fine. Fortunately, there is a reasonably straightforward way to do this. Bullet velocity is not neglected, because velocity is the most important factor in calculating kinetic energy. Finding a rifle in the Roberts might take some doing, but the search would be worth it. Although, as stated previously, Remington no longer makes a .257 Roberts, you can still find them in the model 760 at gun shows. lbs. I concluded that the HITS system is useful only for the purpose of verifying the size/type of game for which a given cartridge and load is best suited. lbs., MPBR = 265 yards (zero at 225 yards). Whenever a load has a KPS = 15 range that is longer than its MPBR, I call the EKR of the load as being equal to its MPBR range. JSP, MV 2920 f.p.s. Much later Remington added it in their limited once-a-year 700 Classic line. Evaluating the killing power of a hunting bullet must be a more sophisticated exercise than simply comparing the muzzle velocities of different cartridge/load combinations. The 257 Roberts cartridge has a very interesting and curious history. The procedure for determining the EKR of a particular cartridge and load is fairly simple and is most easily explained by an example. I did some estimates of recoil with the heavy hunting loads I have featured. Specifically, I hope that Henry Repeating Arms Co. (www.henryusa.com) will chamber their new Long Ranger lever action rifle in .257 Roberts. (20 inch barrel), ME 1862 ft. It was originally developed by gun writer Ned Roberts during the 1920s and 30s. : Doubletap 100 gr. guarantee I put a full-size 2.5-10X 50 mm Zeiss Victory HT with 30 mm tube on the rifle. Anyone who disagrees with the baseline KPS I used here may change the analysis to use any cartridge, load and ballistic parameters they feel accurately reflect effective killing power and range, for deer or other game. ), 275 yard KPS = 16.9 (Energy = 1292 ft. It is a shame that Remington did not specify the .257 Roberts for a MAP of 50,000 CUP in the first place. In a short action, it has the potential for a suitable youth rifle but without care towards optimizing hand loads, can lack the power with many 117 to 120 grain loads to be of any great advantage over the more common .243. Using deer and similar size game as an example, some popular cartridges, such as the .270 Winchester and .308 Winchester, are so powerful that there is no question that they will dependably fell Class 2 game out to their MPBR range or beyond. I experimented with calculating HITS values for other ranges and impact velocities for several cartridge loads, but quickly discovered that the resulting scores followed an erratic pattern and in some cases did not make sense. This load produces 1232 ft. lbs. Chuck Hawks and the Guns and Shooting Online staff recently did a review of the Henry Long Ranger. .257 Load #3: Federal Vital-Shok, 120 gr. If nothing else, it would have saved a lot of later confusion. I feel this even more strongly after making a detailed examination of the performance and capabilities of the cartridge. Though in some circles the 257 Roberts may be considered an obsolete cartridge overshadowed by several other cartridges, several times over past decades the Roberts has experienced a resurgence of interest. This comparability can be applied not only to different loads for a particular cartridge, but also can be extended to comparisons of different cartridges. Get SPECIAL OFFER and cheap Price for 257 Roberts Rifle Reviews And Ar 15 Hunting Rifle Reviews. (Assuming a +1.5 inch line of sight.) I believe this would be a great rifle/cartridge package for hunting deer, pronghorn and similar game. From the trajectory table, I recorded muzzle energy and energy at 100 yards and other relevant distances. The ballistic performance based off four grain types for velocity are … (20 inch bbl. Thus, HITS scores are keyed to that distance. The .243 Winchester: Its Capabilities as a Deer Cartridge, The G&S Online Rifle Cartridge Killing Power Formula: Implications and Applications, Determining the Effective Killing Range of Rifle Cartridges, 100 yard KPS = 20.7 (Energy = 1602 ft. Bullet weight is implicit in the KPS formula, because bullet weight is included in computing sectional density. Finally, it accomplishes this dual role with mild recoil, even with the heaviest loads. Cartridge Type: Rifle Height: 2.233" Width: 0.473" Average FPS: 2790 Average Energy: 2039 Average Gr: 118 Recoil: 1.47 Power Rank: 3.29 of 20 The .257 Roberts was designed in the 1920s when wildcatter Ned Roberts started to do experiments on the .257 caliber cartridges. The .257 was designed to run in a bolt gun, and any receiver that was designed for the 7x57mm Mauser will handle the .257 Roberts perfectly. Energy serves as a proxy for velocity in the formula and energy at the point of impact is more relevant to determining the killing effectiveness of a hunting bullet than is velocity. Fellow SIG Fans: Has the P320 Drop Test Scandal Soured You On SIG? lbs., depending on the load in question. lbs. Remington went on to offer this chambering in the Model 722 bolt action and the Model 760 pump action. The .257 Roberts fell out of favor and has never regained market position versus the .243 Winchester. Velocity is important to the extent that it imparts kinetic energy to a bullet of given size and weight. However, factory .257 ammunition continued to be loaded to 1930’s velocities until almost 1990. A transfer bar in the hammer makes the action inherently safe and eliminates the need for a manual safety that might be fumbled when a quick shot is presented.". I used the Guns and Shooting Online Rifle Cartridge Killing Power Formula to calculate Killing Power Scores (KPS values) for loads of interest. My hope is one of these will be the .257 Roberts. However, it was not until I was introduced to the .257 Weatherby that my idea of what a quarter bore should be about. Simply put, the .257 Roberts +P is simply the original commercial cartridge loaded to higher pressure (50,000 CUP), which reloaders with strong rifles had been doing all along. Loads with 95 and 90 grain bullets have EKRs of 205 and 175 yards, respectively. The remaining (bullet pointed) lines summarize the results. I started with the baseline KPS for the .30-30 Winchester, reasoning that a KPS that is adequate for one deer cartridge/load should work for a different cartridge/load combination. The introduction of DuPont Improved Military Rifle Powder Number 4350 in 1940 – at the time, the slowest burning powder available to handloaders – really did improve velocities in many centerfire cartridges, including the .257 Roberts. .243 Win. At the Orvis flagship store in Manchester, Vermont, I found a brochure at the counter highlighting the rifle. Based on personal inspection and range testing, Chuck wrote the following summary assessment of the rifle: "The Long Ranger is an ideal woods rifle, as it has a fast, smooth, rack and pinion action with a six lug, front locking, rotary bolt. I realize that setting a KPS of 15 as a baseline power standard for the .30-30 load is a judgment call, but I am comfortable with it. See The G&S Online Rifle Cartridge Killing Power Formula: Implications and Applications and Determining the Effective Killing Range of Rifle Cartridges for fuller discussion of the killing power formula and effective killing range concepts. (The .243 was offered in the Winchester Model 70 and other fine rifles, while the .244 was offered in the clunky Remington Model 722.) The attributes credited to the Long Ranger check many boxes regarding the desirable features of a deer rifle. Thus, the 100 yard KPS of this load is: This is merely an example, as KPS can be calculated for any range. Compare prices for Ruger 22 Long Rifle Automatic Pistol Serial Numbers And Ruger 257 Roberts Rifle For Sale You can order Ruger 22 Long Rifle Automatic Pistol S How about 17 Hmr Savage Model 93r17 Rifles Reviews And 257 Roberts Rifle Reviews You can order 17 Hmr Savage Model 93r17 Rifles Reviews And 257 Roberts Rifle Re Fully engraved trigger guard, floorplate, and bolt handle on .257 Roberts rifle. (I adjusted this to a more normal 22 inch barrel length for a .243 hunting rifle. MV (22 inch barrel). The 100 yard HITS score for the strongest .243 Win. Close up of Pronghorn Antelope on VZ 24 Mauser floorplate. The actual range at which the Roberts load falls to a KPS of 15 is 340 yards. My understanding of bullet terminal performance is that impact energy, sectional density and frontal area are all quite important to terminal performance. I noted the Effective Killing Range of the load. The KPS formula makes a lot of sense to me. That said, I will simply refer to the cartridge and rifles chambered for it as ".257 Roberts" hereafter. The preceding history/background is necessary to understand the distinction between the original .257 Roberts cartridge and its later variant called the ".257 Roberts +P." ), 265 yard KPS = 16.2 (Energy = 1203 ft. The .257 Roberts cartridge does not deserve to be shoved into obscurity. lbs. It was created by necking down the 7×57 Mauser case to the 257 bullet size. -Editor). Pre 64 Model 70 Winchester Rifles For Sale And Remington Model This capability is important in ways I will demonstrate. 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