New, unprimed brass. The headspace was decreased … I've since hade it rechambered to 257 Ackley Improved and am able to get acceptable groups now with the 120s. 25-06 sizing die. 257 Roberts Ackley Improved (Montana Rifle Co. The two most popular "Improved" . Through … 270 Winchester 270 Winchester Short Magnum 28 Nosler 280 Ackley Improved 280 Remington 30 Nosler 300 AAC Blackout *Barnes loads were developed using brass fire-formed to fit the Ackley Improved chamber. Let's say it gets 3100 fps. I searched the ‘fire for a bit but … 25 Caliber / . This group was shot with the 100 gr load and the buck … If properly chambered to Ackley chamber dimensions standard 257 Roberts cases will have a slight interference fit (. Ackley Data) reloading data with 24 loads. I knew several people in … 270 Winchester 270 Winchester Short Magnum 28 Nosler 280 Ackley Improved 280 Remington 30 Nosler 300 AAC Blackout Memorial Day 2021 257 Roberts Ackley Improved 🙂👍 Grizzly Petersen 346 subscribers Subscribe Has anyone built a fast twist 257 Roberts or Roberts Improved? I know the 25CM has the advantage of better and more abundant brass but what can it do that the Roberts … Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. 257 Roberts Ackley Improved on a Tikka T3 long action, with a Preferred Barrels 1:7. Will probably be using various 100 to 120 gr bullets. We used … I built a . :grin: I HAVE JUST REBARRELED ONE OF MY R-77 TO THIS CAL. 257 Roberts is a fine deer cartridge that offers long barrel life, accuracy, moderate recoil and muzzle report. It is based on the . I picked up my 257 Roberts Ackley Improved last week. BUT … i used this load data for my first reloads except the oal some guy online took a photo and sent me it in a fb group. 4 gr Max Powder: 53. Ackley. 003-. The 257 Improved is a fi ne performer, adding up t 100 fps velocity over its factory cousin. Ackley considered the . The Roberts became parent to one of the best-known wildcats of all time: the . *To properly chamber a rifle for . handloadermagazine. com/257-roberts-p-pet-loads On my current version of the … Just picked up my latest toy. Ackley book(s). Barrel life is also an issue that should be … The . 257 AI on a Mexican Mauser action with a Krieger barrel and a Rimrock stock about 15 years ago. The 257 Roberts is an … I have a Browning A Bolt in 257 Roberts with a 20" barrel. 257 Roberts: The Second Chance Cartridge Ron Spomer Outdoors 558K subscribers Subscribe Ackley obviously had the pedal to the metal, because his top published velocity of 3,271 fps with a bullet of that weight in the . 5 ROBERTS IMPROVED The following data was developed in a rifle based on a HALL action. O. O. 257 Ackley Improved rifle (let's say it also has a 22" barrel) it won't get that much velocity, because of the larger chamber. Montana 1999 action, Shaw barrel. bullet at … Here are 300 loads from a Handloader article: https://www. Includes Full Length Sizing Die, Micrometer Bullet Seating Die, Universal Shell Holder, powder dipper and instructions with … what is Ackley Improved? The Art of the Rifle: General Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. com? Participate and join in. 780. The 25-06 Improved does not lend itself well to being downloaded. 250 Savage Ackley Improved wildcat cartridge offers remarkable downrange performance from a small package, boasting … P. Thanks I load mine using the max loads with +P data as my starting point. . And we're not just choosing a load for accuracy but a lot that w Thanks for the add. [10] Making an Ackley Improved cartridge usually meant modifying the chamber to … I can't help but chime in on this one. Since I'm no longer buying factory ammo, I'm thinking about having this rifle … Despite the distance of time, some of his developments – notably the . 257 Robertswith all popular powders and suitable bullets, as well as ballistic statistics and technical specifications. 250 Improved is … Ackley designed his improved so that regular ammo would have a crush fit when it is chambered. It is one of my very favorite rifles. Explore load data for the . I compare it to the 25-06 Reming We load ammo in the following cartridges. 257 Ackley Improved when compared to the. We are currently populating the cartridge drop-down menu … Load Data for . Would you rate the best … Ackley Improved refers to a modification of existing cartridges, credited to the renowned American gunsmith and wildcat cartridge … I started with the . Is there a GOOD source for 257 AI load data? Just got a 257 AI and I am looking for reliable tested data to start with. 257 Roberts data. Groups are … That has me thinking about the other rifles in my safe, especially a Kimber 84 in . 257 ROBERTS ACKLEY IMPROVED Bullet: 75 gr HP (Sierra) Diameter: 0. It's just that their heydays were 50 - 60 years ago and some fanfare before that about the '20s and … PO Ackley also created an improved version—the aptly named . Still looking for a BLR in 257 Roberts. It is one of the most … *Barnes loads were developed using brass fire-formed to fit the Ackley Improved chamber. The 257 Improved is a fi ne performer, adding up to 100 fps velocity over … Detailed reloading data and resources for the . *To fire-form brass, use the faster-burning powders and loads from standard . COAL is 2. 257 Roberts Improved is a more efficient cartridge, however, because it is considered to be maximum case capacity for … After much thought and wait, it's finally here. 257 Roberts Ackley Improved. I have played around with 110gr Accubonds and 115gr BTs using 4350, 4064, and H4350. 257 Roberts Ackley Improved was probably the most useful all-around cartridge. There is no limit to what we can do!! The 257 Ackley teamed up with this very light rifle is probably a great choice for a mountain rifle. …. Use it for varmints only wich were I live are seagulls Discussion about the 257 Roberts Ackley … I am pondering a new project, and the 257 roberts and or ackley has kind of caught my attention to investigate a little further. 257” Diameter 250 Savage 257 Roberts +P 257 Roberts Ackley Improved 25-06 Remington 257 Weatherby Magnum 25 Winchester Super Short Magnum (WSSM) 257 ACKLEY IMPROVED The following data was developed in a Ruger 77 rifle. I shot a friend's 257AI once out at the range … 257 ROBERTS ACKLEY IMPROVED BASIC This case is supplied in "basic" (un-formed, cylindrical) since the dimensions of this caliber varies widely. Looking for better case fill than 4831 gives, using 100-115g. Ackley Improve on the Bob before you settle in on the standard round. I have a question for the 257 roberts shooters. 257 Roberts Ackley Improved using Nosler bullets, providing performance insights and handloading information for this cartridge. The rifle weighs 6. Maybe not quite the barrel life, but still quite good compared to a 25/06 or one of the … As with any extreme cartridge, there is a downside to attaining such speeds. If you’d like a cartridge loaded that isn’t listed here please contact us. 257 Roberts Ackley Improved back in 1969 with a Ruger . I picked up some Sierr View recent messages : | | | | | |*** Enjoy NitroExpress. 257 roberts ackley improved loads Jump to Latest 12K views 7 replies 6 participants last post by ibvolund Nov 23, 2011 I 257 Roberts vs. 257" Powder: 2700 (Accurate) Starting Powder: 50. Ackley wrote of the . 30-06 cases first in a . 0 reactions · 4 comments Orn Johnson Quarterbore Shooters 42w · Public Thanks for the add. They are quite similar except for the shoulder angle, which is 40 degrees for the Ackley … You can easily fireform 257 Roberts factory brass or loaded rounds to achieve the . 257 Ackley Improved case shape. Gives you better than 25-06 performance with minimal recoil. However, given … The . 5-8X scope installed. It originally had a 243 barrel that was thoroughly shot out. I have never used IMR4350, but plenty of H4350 in mine with Nosler 100gr BT's, works extremely well on … In volume 1 of P. 257 Ackley Improved is a wildcat cartridge developed by renowned gunsmith P. 0 gr Primer: FED 210 From the bottom of the chart, holding down number 24 of the 25 listed loads, is the . 257 Roberts Ackley Improved cartridge. 257 … siderable interest in improved cartridges. 257 Ackley Improved—which is quietly considered an absolute Goldilocks rifle cartridge. Ackley, master gunsmith, experimenter, and arms authority, sparked considerable interest in improved cartridges. *** . 257 Roberts is one of those cartridges that has a storied history in cartridge development. I. 004). 257 Ackley Improved is a fine performer, adding up to 100 fps velocity over its factory cousin. Ackley developed an entire series of improved cartridges, with most utilizing a 40 degree s. One of its advantages, Ackley … Never been much of an Ackley Improved fan, since the majority of them don't really offer that much more performance than their parent cartridges. Remington … Eric Cosett Try the 25-06 ackley improved. was able to push it to … To make improved cases, I took Ackley’s suggestion to neck down . Is anyone using 7828 or H-1000??? Looking for better case fill than 4831 gives, using 100-115g. 257 Roberts with 100 gr. Basically, all we did was open the 257 … In this video I talk about a very good wildcat cartridge. 257 Roberts dates way back to around the … Lee 257 Ackley Improved Micrometer Full Length 2-Die Set. thanks buddy. Using bullets from . Excep I'm posting this question for someone, and I let him know this is the best knowledge base around. 257 Roberts has (finally) been updated to piezoelectric pressure measurements, with standard pressure loads listed … Load data for ammunition in caliber. 243 Ackley Improved Reference … 6. I know some of the Impoved cartridges don't give much extra bang for the buck. Is anyone using 7828 or H-1000??? If so, could someone give me this combo: 257 Roberts Ackley Improved (40 degree shoulder) 100gr Nosler BT IMR 4350 CCI 200 LR primers 26" Barrel Win brass Not … I just traded for a 257 bob and would like to try it on yots has anyone had any luck doing so and what loads would you suggest. They are quite similar except for the shoulder angle, which is 40 degrees for … Speer AmmoHere you will find load data for some of the most recent cartridges on the market, with more being added each week. 280 … Today we're choosing a load and we're going to select our bullet, powder, brass, and primer. Hey fellas, I have a buddy who just bought a 257 Roberts that is ackleytized. Rifle is an FN supreme with 24” ER Shaw barrel. Powders include IMR, Hodgdon Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. The . 257 Roberts Ackley Improved and the . 257 Ackley Improved that, “It is a relatively … Gunsmith and cartridge pioneer P. 257 ackley Handloading, Reloading, and Bullet Casting After a bit of load work up I’ve found two loads that are consistently accurate(1” at 100 yards). Using bullets from Hornady V-Max, Barnes Tipped Triple-Shock, Sierra spitzer, Sierra spitzer … A commentary on some common myths about A. Ackley said that the . Ackley’s “Handbook for Shooters and Reloaders” Ackley explains headspace for his improved designs as well … The . cartridges. Partitions, can anyone suggest a load that produces good accuracy? reloading for . I haven't been able to locate a reasonably priced P. I go over the history and ballistics of the 25-06 Ackley Improved. When we fire this load in our . This eliminates any headspace problems, but if an … But in the end, the old Roberts improved was chosen for the added range it will give. One of its advantages, Ackley noted, is the fact that 257 … Going to find my max load, with three different powders, for Nosler 115gr ballistic tips. 257 Roberts. Use it for varmints only … I need to form some new brass for my old 257AI. 5 inch twist cut to 20 inches and threaded for a suppressor. 257 Roberts Ackley Improved (P. He doesn't know where to start and I have never loaded for this round. So I peeked through some of my old reloading manuals I'm not having any luck finding an accurate load for my . By his own admission, P. 257 Roberts case, which has been modified to increase its powder capacity … So in today’s world when we might be using powders & bullets that aren’t ideal, this thread came to mind. 257 Roberts cartridges are the Ackley and RCBS versions. Model 1999) reloading data with 42 loads. For strictly deer hunting, would you … Using Hornady reloading data with the 257 Roberts bullets creates a great round that is popular with hunters who like its low recoil rates. 223” Primer: Remington 9 1/2 Remarks: 40° Gunsmith Parker O. looking at perhaps a coyote calling sort of a … 257 Roberts Ackley Improved 40* Remanufacturing Use the following selections to find the cost and order remanufacturing of YOUR fired brass into loaded ammunition. Any pet loads out there? … P. 16 pounds complete with a Leupold 2. I don’t have a 257 wby but I have put my 25-06 AI up against … Is it the 257 Roberts Improved and the 257 Roberts Ackley Improved? The Improved was a wildcat that was standardized by RCBS and the shoulder was blown out to … The . What you might consider is doing the P. My ,257 Roberts Ackley Improved. Now, all i need is the time to go out and run some rounds down the … anyone have any 257 roberts loads ? i tryed a win ww super case, cci br-2 primerRL17 and a hornady 117 soft point boat tail. We put a Shilen stainless steel # 4 … Nice! Hope you enjoy it! I have had a 257 Roberts but never one that has been Ackley'd. 257 Roberts M-77R roundtop that I had rechambered to the Ackley version by Micro Sight … Wild Hog hunting & trapping photos . 257 Roberts+P Handloading, Reloading, and Bullet Casting The . It's been several decades since I have done this. with not much luck. Ackley developed a wide variety of these improved cartridges, nearly universally including a 40-degree … *To fire-form brass, use the faster-burning powders and loads from standard . 25-06 Improved Ackley (left) is pretty much an … . Noted gun and cartridge experimenter – Dr. 257 Roberts factory +P load of a 117 gr. oulder and a slight reduction in … In his Handbook For Shooters And Reloaders (Volume 1), P. 30-30 Ackley Improved, the . … . 257 Roberts and the Ackley Improved version are both excellent cartridges. 257 Ackley Improved cartridges, a gunsmith must set the … The . 257 Roberts Ackley Improved Loads GO GO VARMINT GO Message Board Good place to share hunting stories & info . 270 Winches-ter and then a . Do you load your ammo any different as far as charge and coal if it’s a short action vs long action? Thanks 257 Roberts shooters … The two most popular "Improved" . 3edlr
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