Its a cartridge im interested in even though i dont hunt deer. Since martys site is down 458socomforums and has been down for some time. All handloads used starline cases and cci 350 primers. Special operations forces reference manual preface t his fourth edition of the special operations forces reference manual was redesigned to support the joint special operations universitys academic mission. If you carefully measure water capacity of the case with bullet seated, i think you will find that the. Army, navy, marine corps, and air force special operations forces sof. All i have are factory loads right now, but i dont have a press either. A key is to find sweet spots where functioning is 100% and accuracy is good. The above powders listed a higher predicted velocity than a max load of a2520 which was 49. Rather than post all the pictures and information here, eating up marshas bandwidth, here are links to the build and load data.
A good reloading space should be free of distractions, well lit, dry and warm enough to be comfortable. Extreme care must be used with any reloading data that fills a case less than half full, which raises the. In 1932, fred barnes began selling bullets made in his bayfield, colorado basement workshop. This is a free to register vb forum, and the more 458s users we can get, the better our forum will be. Western powders o 5 bullet weight grains bullet make bullet type start load grains start velocity fps max load grains max velocity fps col inches max pressure psi bullet weight grains bullet. Everybody loves showing off their big bore firearms but the cost of shooting them can be painful. The same info is usually linked through multiple times and i have seen a lot but not these specific components.
Im not against buying another manual but id really only be buying this manual for that right now. Avoid chasing 4570 lever gun velocities the faster, marlin rifle data. A forum search has yielded mainly super sonic load data. Test load video for 458 socom ar using imr 4198 powder. I fired 9 rounds wednesday and the recoil was a straight pushback, no muzzle rise at all, so the brake works. If its not those components, then i have probably read it more than a few times digging for info. This shot sub moa out of my radical firearms upper. Right click on the image of the load data and use save as. Tikos is the modern laundry software from germany which delivers high performance software solutions to laundries and the textile rental business around 350 laundries throughout europe rely on tikos the fullfledged laundry software.
David if you have not solved your socom problem, or even if you haved you might want to try the following load. You would probably not get into any trouble using pressure tested load data from reliable sources, such as speer no. The load data contained in this document is intended for use with specific components. Did not have any pressure signs with these 3 loads, do not use this load data work up to. The 458 socom was designed to fit the ar15 platform, and is capable of pushing a 300 grain bullet to 1950 fps, generating over 2500 foot pounds of muzzle energy, and 25 foot pounds of recoil. Two traditional jacketed hollow point loads are offered. Accuracy is the average of four fiveshot groups fired from a sandbag benchrest at 100 yards. Looking to see if anyone has load data for 458 socom with nosler 300gr btmz projos over h4198. Public beta manual for playstation 2 sony computer entertainment america. Weve decided to start another forum dedicated to the 458 socom platform.
The socom is still a very specialized round, and i dont recall having yet seen it in a printed loading manual. So these are just ball park number to get you started. I just base my starting load off of the quickload jacketed data on the teppo jutsu site and work it up. These cases come from indoor or outdoor covered ranges and may have minor. They have not been sized, decapped, annealed or trimmed by.
Convince yourself of numerous modules and discover a laundry software that. The data i am posting is maximum quick load data and i have not yet. Since polymercopper projectiles may have the tendency to fracture under stress, a proper loading procedure should. Excellence integrity service 115 sw columbia st bend, oregon, usa 97702 toll free. Interestingly i read that the 50 beo projectiles are accurate in rifle configurations, this was read on an advertisement off alexander arms lit so either the caliber makes a difference or. Range yds velocity fps energy ftlbs trajectory in 1866 2319 1. I will probably obtain a 500 grain or heavier mold as well. Some of the load data that i had studied was gathered from other 458 socom shooters there are several groups on facebook and youtube.
My intent is to use it for primarily subsonic loads. Your best bet will probably be hitting the load data section of the. My wilson combat 458 socom billet upper is arriving today, so ill have it all built tonight. New reloading data must be opened as a pdf document in an up todate compatible pdf viewer. There is not much there yet, but there is some load data, and other misc stuff. A few test loads for the 458 socom using imr 4198 powder and 300 grain hornandy hollow point bullets. Socom smokeless powder has no reloading propellant equivalent. Over the next 40 years, the company gained a solid reputation by offering premium bullets to hunters who rolled their own. To 458 socom steinel offers a few distinct loads for 458 socom enthusiasts. A 300 grain jhp is the most popular and is considered by more and more customers as the best value in 458 socom.
You can find som lead data on forums guys post but it is usually for heavier bullets. I ran into this and had to break some down during load development. My current load for the 405gr is the same as the 300gr. We would like to show you a description here but the site wont allow us. Some of the pulldown info was gathered from ammo he purchased so we could learn from. Use experience to come to the right coal for the particular bullet and adjust the charge accordingly. These projectiles are perfect for selfdefense and training. If you can live without the very latest info, you can still get version 6. Velocity is the average of 10 rounds measured 15 feet from the guns muzzle. Due to the heavy recoil of this round, it is very important to use a firm crimp. Since the round is still a wildcat work with caution, very little published data. Shooters world load data pdf shooters world powder. This is more recoil than a 3006 shooting a 180 grain bullets at 2800 fps. Powders include hodgdon, winchester, imr, accurate, alliant.
These bullets were not accurate in my socom 16 inch semi. Big grains is here to meet the demands of the big bore aficionado with affordable ammunition in the most popular cartridges. You can also click on the image and a pdf version will open in a new window. Most accurate load tested compressed load because nosler, inc. Theres no need to push the fairly well established velocities. Using bullets from barnes tactx, barnes banded solid. My second load today was 2gr less and cycling is still good and the the primers look much better. Rn i just talked to one of my shooting buddies who shoots an ar and his starting load is as follows case.