The .458 HAM'R is capable of pushing a 300-grain bullet 2,100 fps. That is more than 300 fps greater than the .458 SOCOM shooting the same cartridge. Bill Wilson developed the HAM'R to ensure full expansion of the bullets at longer ranges. The shoulder of the HAM'R cartridge is .40 inch forward of the SOCOM. It also uses a small rifle …Load Data for .458 Socom . Bullet: 300 gr TAC-TX (Barnes) Diameter: 0.458" Powder: IMR 4227 (Improved Military Rifle) Starting Powder: 28.0 gr. Max Powder: 30.0 gr .Load Data for .458 Socom . Bullet: 450 gr Plated SPITZER FCP (CamPro) Diameter: Powder: IMR 4198 (Improved Military Rifle) Starting Powder: 27.0 gr. Max Powder: 30.0 ...A quick video showing a loaded .458 SOCOM 325 FTX with the cannelure exposed. Don’t panic folks this is good to go! #reloading #shooting #huntingHornady 300 gr. Load data. I've been shooting the 325gr ftx loaded with 37.5 grains of cfe blk for some time now and they are a very accurate round out of my tromix barrel. I recently picked up a box of the 300gr HP Interlock bullets to work up a load but thought I'd ask if anyone else is running them with cfe blk and what your col might be.The .458 SOCOM has a much shorter max range of about 150 yards. This is also dependent on the bullet weight used in a round. Heavier bullets are going to drop like a stone as they travel down range. ... Reloading. Both the .450 Bushmaster and .458 SOCOM are popular rounds to reload due to the relative scarcity of factory ammo and ….458 Winchester Magnum - Published Manufacturer Loading Data Shellholders: Hornady #5Re: 458 SOCOM Load Data Anyone use IMR4227, Accurate 5744, Accurate 1680, or Accurate 2015 for the .458 Socom? These powders' burn rates are between (or REAL close, depending on the chart) to H110 and RL-7. There may be nothing to gain, but it is nice to have options to tailor loads.Mar 13, 2020 ... My ballistic gel is starting to tremble; 458 SOCOM is inbound from 100 yards and 200 yards away. Let's see what a truly heavy thumper can do ...Jul 6, 2015. #1/9. as title says, looking to see if anyone who has the latest sierra load manual can check if it has any 458 socom data. problem ive been running into is its not a SAAMI cartridge. I'm not against buying another manual but id really only be buying this manual for that right now. i have lyman and hornady already.The Coyote Logistics Load Board is a powerful tool for trucking companies looking to maximize their profitability. With its easy-to-use interface and comprehensive load data, the C...Jan 1, 2011. #3. Re: 458 SOCOM load data. There are several things you need to know about COAL: 1. If the bullet is seated deeper the pressure increases and if seated further out pressure decreases unless the bullet is so far out that it contacts the lands in which case pressure increases. 2.In this guide, we cover everything from the average page load time, website load time statistics to keep top of mind, and tips for speeding up your website. + the Average Page Load...Hornady 300 gr. Load data. I've been shooting the 325gr ftx loaded with 37.5 grains of cfe blk for some time now and they are a very accurate round out of my tromix barrel. I recently picked up a box of the 300gr HP Interlock bullets to work up a load but thought I'd ask if anyone else is running them with cfe blk and what your col might be.Jul 20, 2023 ... ... loads you intend to use are safe to use in that rifle. This is especially important for cartridges like the 45-70 that have different ...Load Data for .458 Socom. Bullet: 450 gr FMJ (SBR) Diameter: Powder: SBR-SOCOM (Shooters World) Starting Powder: 26.0 gr. Max Powder: 30.0 gr. Primer: Large Rifle.The .458 SOCOM has a much shorter max range of about 150 yards. This is also dependent on the bullet weight used in a round. Heavier bullets are going to drop like a stone as they travel down range. ... Reloading. Both the .450 Bushmaster and .458 SOCOM are popular rounds to reload due to the relative scarcity of factory ammo and …The Ultimate Reloading Manual. With our load data you can search by caliber, bullet weight, powder, powder manufacturer or a combination of all four. Search over 311,644 loads! Metallic Search. Shotgun Search.Printed from Shooter's Reference on 05/01/2024: https://www.shootersreference.com/reloadingdata/458-socom/.458 SOCOM, 1.575 case length Hornady 325 gr FTX, 2.140 loaded length MAX loads, velocities estimated for 16" barrel Type mc (gr) fill (%) vel (fps) Pmax (psi) Z (%) Pmuz …300gr. Spitzer. CT® Ballistic Silvertip® BST 300gr. RN 2.035" 0.191 0.204. POWDER POWDER CHG. MUZZLE VEL. LOAD DENSITY TYPE GRS. F.P.S. (VOLUME) All … 300gr. Spitzer. CT® Ballistic Silvertip® BST 300gr. RN 2.035" 0.191 0.204. POWDER POWDER CHG. MUZZLE VEL. LOAD DENSITY TYPE GRS. F.P.S. (VOLUME) All cartridge measurements are SAAMI maximum and due to variations from manufacturers actual measurements may vary “ Because Nosler, Inc. has no control over the actual components selected, the ... The 458 socom is hard to find data on . Only one of my 4 manuals has data . Lymans 50th shows 325gr ftx with H-110 , 26gr min / 28gr max with no pressure data . Max velocity is mid 1500fps _____ If Jesus had a gun , he'd probably still be alive ! ... and ran into the same issue with some loads in .458 SOCOM. What feels like a "safe" …Re: 458 socom 500gr load thanks for the help. i have gotten this under comtrol finally. the issue was using to little powder in the case with a primer that was not lighting off hot enough. mistakes-not using enough powder , found loads and backed off 10% WAY TO LIGHT could have been bad not using correct primers for load dataYes they will. .458 SOCOM, .45-70, .458 Mag all use the same diameter bullets. I have had very good luck with bulk packaged Remington 300 gr. JHP bullets from Midway. I use 35.5 gr. of Winchester 296 powder, in Starline cases, with CCI Large Pistol Magnum Primers. In my 16" .458 carbine, they do just under 1900 ft/sec, and shoot 10 shot groups ...Jan 1, 2011. #3. Re: 458 SOCOM load data. There are several things you need to know about COAL: 1. If the bullet is seated deeper the pressure increases and if seated further out pressure decreases unless the bullet is so far out that it contacts the lands in which case pressure increases. 2.I've loaded a bunch of .45 with the TulAmmo with no issues, but it's not nearly as much powder as the .458 will be. CCIs should be hard enough. Just watch any load you work up now in the winter, as it gets warmer H110 will get hotter. So if your load is warm now it may be too hot in the summer. Load Data for .458 Socom . Bullet: 300 gr TAC-TX (Barnes) Diameter: 0.458" Powder: IMR 4227 (Improved Military Rifle) Starting Powder: 28.0 gr. Max Powder: 30.0 gr ... Dec 2, 2018 ... Comments43 ; Loading 458 Socom - 600 grain Cast (part 3) *first 45-70 shots*. Just Some BS · 1.3K views ; Loading 45-70 with 600 grains. Just Some ...458 Socom Author: Barnes bullets Subject: 458 Socom Keywords: 458 Socom Created Date: 3/22/2016 7:43:05 AM ...My 458 process is pretty basic. I trim new brass to the minimum length and don't need to trim again for three or four firings. I don't bother with shoulder bump. I just smash the die into the shell holder and call it good. I use a Lee FCD to just barely push the case flare back in, and I'm loading to 1.95 in OAL.The .458 caliber was achieved by simply bottlenecking the case. The .458 SOCOM is not a SAAMI-standard round, but Hodgdon’s reloading data center provides load data and indicates max operating pressures up to 39,400 CUP. Another attraction of the SOCOM round is that standard AR-15/M16 magazines can be utilized without modification.Load Data for .458 Socom. Bullet: 300 gr TAC-TX (Barnes) Diameter: 0.458" Powder: IMR 4227 (Improved Military Rifle) Starting Powder: 28.0 gr. Max Powder: 30.0 gr. Primer: …Feb 18, 2024 · While some load data may be interchangeable, it is best to use load data specifically tailored for .458 SOCOM. Is .458 SOCOM suitable for big game hunting? Yes, .458 SOCOM is commonly used for hunting large game due to its potent stopping power. Mar 21, 2021 ... A quick video showing a loaded .458 SOCOM 325 FTX with the cannelure exposed. Don't panic folks this is good to go!Browse a list of Lehigh bullets data for reloading. View the Specifications of all bullets - cartridge, technology, weight, etc ... 458 SOCOM: Match Solid: 300: view.458 caliber, 225gr Xtreme Defense® Lead-Free Hunting Rifle Bullets : 458 SOCOM: Xtreme Defense: 225:Subsonic .458 Socom. Since its using a AR/M16 rifle I hope it fits here,if not I can move it. I am building a 458 Socom AR and was wondering if anyone has worked up any Subsonic loads using a .460 480grn cast?. I have searched around and have found some load data but not much regarding Subsonic and especially not with cast,i have …Load Data for .458 Socom . Bullet: 450 gr Plated SPITZER FCP (CamPro) Diameter: Powder: IMR 4198 (Improved Military Rifle) Starting Powder: 27.0 gr. Max Powder: 30.0 gr . Primer: Large Rifle . Case: Trim Length: Cartridge Overall Length: 2.245" Starting Velocity: Starting Pressure: ... .458 SOCOM (Shooters World) reloading data with 22 loads. Using bullets from Hornady JHP, Barnes TTSX, Sierra Pro-Hunter, SBR FMJ, SBR JSP. Powders include Shooters World. Sep 27, 2015 ... i have a feeling this is staged. I've been hunting wild toilets for almost 9 years in Eastern Washington, and never have i been able to ...Mar 27, 2020 ... ... 458 Socom! I hope you enjoy the video and thanks for watching! Please support Kentucky Ballistics on Patreon! Please like and subscribe ...May 13, 2021 · As the 0.458” diameter bullet is far less popular than the 0.224” needed to build the .223 Rem. or 5.56x45 mm NATO round, I decided it would be safe to embark on a SOCOM handloading journey,... Yes they will. .458 SOCOM, .45-70, .458 Mag all use the same diameter bullets. I have had very good luck with bulk packaged Remington 300 gr. JHP bullets from Midway. I use 35.5 gr. of Winchester 296 powder, in Starline cases, with CCI Large Pistol Magnum Primers. In my 16" .458 carbine, they do just under 1900 ft/sec, and shoot 10 shot groups ...The bad news is that you don't have access to your Gmail account, but the good news is that there's a solution. The fact that Gmail won't load in any browser most likely eliminates...Notes: Tromix .458 SOCOM Monster, 16.25-inch barrel. Accuracy is the average of four five-shot groups fired from a sandbag benchrest at 100 yards. Velocity is the average of 10 rounds measured 15 feet from the gun's muzzle. All handloads used Starline cases and CCI 350 primers. All load data should be used with caution.Barnes has load data for the 458. Several of the gurus at 458socomforum have tested the hornady FTX 325 gr. Consensus is 2.22 on OAL. Powder varies. I tested lilgun and h110 and lilgun gave me 1/2 moa at 100 yards out of my tromix 12 inch barrel. 29 grains of lil gun was 1660 FPS.The .458 HAM'R® is designed from concept to completion to be the hardest hitting, most powerful (practical size) AR platform carbine ever produced, exceeding the ballistics of the .450 Bushmaster, .458 SOCOM and .500 Beowulf. By using an AR10 size bolt and barrel extension, this new cartridge is capable of handling maximum pressures …Outside of the cartridge specs and reloading data, the .458 SOCOM is intended for semi-automatic rifles, which means—unless you’re John Wick or Jerry Miculek—you’ll be able to get follow up shots off significantly faster in a .458 SOCOM than you would a .45-70. That follow-up speed doesn’t include the speed lost because of the ...East GA. Posts. 2,130. 458 SOCOM Loads. I recently aquired a RRA AR-15 in 458 SOCOM. My intent is to use it for primarily sub-sonic loads. I currently have the following molds: RCBS 45-300-FN, 45-405-FN and Lyman 457483 (385 gn). I will probably obtain a 500 grain or heavier mold as well.458 Socom Cast Boolit Data. I recently built a 458 socom and started reloading for it using jacketed bullets. I didn't want to pay jacketed bullet price so I decided to try some NOE 460-405 rf hollowpoint they come out to about 335gr with my alloy. I decided against these boolits because they would have to be seated far too deep to not engage ...The .458 HAM'R® is designed from concept to completion to be the hardest hitting, most powerful (practical size) AR platform carbine ever produced, exceeding the ballistics of the .450 Bushmaster, .458 SOCOM and .500 Beowulf. By using an AR10 size bolt and barrel extension, this new cartridge is capable of handling maximum pressures …458 socom reloading data 458 socom reloading data. By Kamotion May 28, 2015 in Rifle/Shotgun. Share More sharing options... Followers 0. Recommended Posts. Kamotion. Posted May 28, 2015. Kamotion. Members; 16 Share; Posted May 28, 2015. Have you seen this. I think it's the first time a powder company has actually published …Re: 458 socom 500gr load thanks for the help. i have gotten this under comtrol finally. the issue was using to little powder in the case with a primer that was not lighting off hot enough. mistakes-not using enough powder , found loads and backed off 10% WAY TO LIGHT could have been bad not using correct primers for load dataLoad Data for .458 Socom . Bullet: 300 gr TAC-TX (Barnes) Diameter: 0.458" Powder: IMR 4227 (Improved Military Rifle) Starting Powder: 28.0 gr. Max Powder: 30.0 gr .Feb 9, 2021 · I found a thread or two with positive results for H110. This is for the lighter bullets weights (300-350 grainers). Judging from the load data most powders are slower than H110, probably be ause if the case capacity and length. Barnes shows use for it. Nosler’s fastest powder listed for 458 Socom is 4227, which also yields the fastest velocity. .458 Diameter Bullets 300 gr. HP/FN.355 Diameter Bullets 90 gr. JHC Power Jacket 95 gr. FMJ 115 gr. JHP Power Jacket 115 gr. FMJ 125 gr. FMJ 130 gr. FMJ.357 Diameter Bullets 110 gr. JHC Blitz Power Jacket 125 gr. JSP/125 gr. JHC Power Jacket 140 gr. JHC Power Jacket 158 gr. JSP/158 gr. JHC Power Jacket 170 gr. JHC Power Jacket 180 gr. FPJ Match Plus, you can save favorites, add notes and more. Reloading data is available as low as 99¢ per cartridge or as a subscription for $19.99. Below you’ll find some basic data for each cartridge to help get you started. Basic Load Data. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. The .458 SOCOM ( 11.63×40mmRB) is a moderately large round designed to work in an AR-15 platform. This is achieved by installing a 458 bolt and barrel. The 300-grain (19 g) round offers a supersonic muzzle velocity of 1,900 ft/s (580 m/s) and 2,405 ft⋅lbf (3,261 J), [1] similar to a light .45-70 but with a much smaller case.Dec 24, 2013 · Joined. Jan 3, 2019. Messages. 86. Location. TX. Curious what you plan to use the loads on. I have a 458 SOCOM I just finished putting together and am about to start reloading for. My primary use for it will be pig hunting and very little recreational shooting (just for the fun factor). Mar 17, 2012 · the boar buster. 376 posts · Joined 2011. #12 · Mar 19, 2012. I have been blowing up hogs with the 458 for a few years now and I will say that it is one of the best pig killing loads out there. I like the 300 TTSX and the 405 gr jsp. Both work great, but the 405 is cheaper. SBR-SOCOM yields high loading densities and optimized velocities with low Standard Deviations (SD) values, not only in velocities, but in chamber pressure. The 458 SOCOM is a low pressure cartridge, operating at a maximum 35,000 psi and this powder optimizes this, producing clean and consistent performance.The data contains the correct grain weight of bullet. Berry's max recommended velocity is not exceeded. (This info is displayed on bullet boxes and product webpages.) Standard Plate Bullets Max Velocity: 1,250 fps. Thick-Plate Bullets (TP) Max Velocity: 1,500 fps. Do not over-crimp the bullet. Crimping so tight that bullet deformation occurs ...Dec 2, 2018 ... Comments43 ; Loading 458 Socom - 600 grain Cast (part 3) *first 45-70 shots*. Just Some BS · 1.3K views ; Loading 45-70 with 600 grains. Just Some ...ES and SD numbers were petty high. So far LilGun has performed the best in my AR platform 458. With 300 hornadys JHP at around 1680FPS. The 350 plated’s weren’t so good with Any of the powders but good enough for plinking. So far only 110 rounds down the pipe so still doing lots of load development at this point.These copper plated bullets are then restruck to exact dimension and visually inspected. Offered in boxes of 50, 100 or 250 bullets. .458 Caliber (.458) 300 Grain Round Nose Flat Point Plated Bullets – 50 Bullets. $ 16.00. Out of stock. .458 Caliber (.458) 300 Grain Round Nose Flat Point Plated Bullets – 100 Bullets. $ 30.00.Accuracy wise they’ve been incredible in all calibers I’ve used (300prc 200gr, 120gr 7mm-08, 140gr 7mm rem mag, 500gr 458 socom, 300gr 500sw). Haven’t killed anything with them yet though. Just developed loads. From what I’ve seen they’re supposed to work incredible on game.As the 0.458” diameter bullet is far less popular than the 0.224” needed to build the .223 Rem. or 5.56x45 mm NATO round, I decided it would be safe to embark on a SOCOM handloading journey...When it comes to reloading AR-style rifles as well as other rifles, there's a new powder choice on the market-AR-Comp™ from Alliant Powder. Alliant's new AR-Comp is the ideal powder for fast action, high volume AR shooters as well as those who enjoy shooting traditional rifles. Developed specifically for AR-style rifles and ideally suited for ...Posted: 1/7/2010 6:24:59 PM EDT. Sorry to head over here for .458 data, but I have finished building my house and now have plenty of time for reloading and shooting. I want to reload .458 SOCOM rounds, but only have limited data. They changed their site, .458socomforums.com, a few times since over the last year or more that I've been away …Mar 26, 2021 ... SUPPRESSED BIG BORE AR15 Reloaded Accuracy!!! Big 500 gr, that more than a 1 ounce, bullets suppressed out of a 458 Socom.ES and SD numbers were petty high. So far LilGun has performed the best in my AR platform 458. With 300 hornadys JHP at around 1680FPS. The 350 plated’s weren’t so good with Any of the powders but good enough for plinking. So far only 110 rounds down the pipe so still doing lots of load development at this point.Plus, you can save favorites, add notes and more. Reloading data is available as low as 99¢ per cartridge or as a subscription for $19.99. Below you’ll find some basic data for each cartridge to help get you started. Basic Load Data. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading.Posted: 1/7/2010 6:24:59 PM EDT. Sorry to head over here for .458 data, but I have finished building my house and now have plenty of time for reloading and shooting. I want to reload .458 SOCOM rounds, but only have limited data. They changed their site, .458socomforums.com, a few times since over the last year or more that I've been away from ...CASE: Starline 458 SOCOM PRIMER: CCI-350 POWDER: IMR-4198 / 24.0 grains BULLET: Hornady 500 gr. RN I just talked to one of my shooting buddies who shoots an AR and his "starting load" is as follows - CASE: Starline 458 SOCOM PRIMER: CCI-350 POWDER: Winchester 296 / 30.0 grains BULLET: any 300 gr. .458 bullet from Remington, Sierra or HornadyThe SOCOM is an awesome cartridge that is basically a long 50AE (O.A.L. of 1.575") with a rebated .308 style head configuration, necked down to utilize a .458" diameter projectiles. It has been chambered in some bolt guns but it's claim to fame is in the AR-15 platform.The data contains the correct grain weight of bullet. Berry's max recommended velocity is not exceeded. (This info is displayed on bullet boxes and product webpages.) Standard Plate Bullets Max Velocity: 1,250 fps. Thick-Plate Bullets (TP) Max Velocity: 1,500 fps. Do not over-crimp the bullet. Crimping so tight that bullet deformation occurs ...Load Data for .458 Socom. Bullet: 300 gr TAC-TX (Barnes) Diameter: 0.458" Powder: Lil'Gun (Hodgdon) Starting Powder: 24.5 gr. Max Powder: 26.5 gr. Primer: REM 2½. …I never thought I'd walk off a fully loaded plane during the boarding process but I did just that to avoid another UK lockdown. Toward the end of 2020, here in the U.K., clouds on ...The .450 Bushmaster and .458 SOCOM have a .473″ rim diameter, which is the same as other popular cartridges like the .30-06, .308, and .270 Winchester. On the other hand, the .50 Beowulf has a .447″ rim diameter, which is the …Jul 6, 2019 ... A Mid Season Special on load development of Subsonic 500 gr Maker Bullets in 458 SOCOM using an improvised bullet trap / sand-trap.Printed from Shooter's Reference on 04/28/2024: https://www.shootersreference.com/reloadingdata/458-socom/.458 Winchester Magnum - Published Manufacturer Loading Data Shellholders: Hornady #5Anybody have good loads for 458 socom pushing a 350gr pill? Having a hard time finding anything out there ... I did a search using ".458 socomm load data 350 gr" and ...W. Writerman Discussion starter. 14 posts · Joined 2021. #1 · Dec 14, 2021. Does anyone know of any reloading data for 250 Grain 458 Socom using either Lil' Gun, or any other viable powder? All the published loads are 300 plus grains, and I have searched high and low and cannot find anything. Thanks in advance. Like.Mar 20, 2023. #5. I worked up some loads with the Berry's Superior Plated Round Shoulder 350gr, using HS-6, and CCI350 primers. Shooting from a 10.5" 1/14 Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum Receiver, on a Franklin Armory Libertas BFS lower with carbine buffer tube assy. Suppressed with a Rugged Obsidian 45, using ....458 SOCOM Remington 300 gr JHP, 2.020" loaded length MAX loads, velocities estimated for 16" barrel. The load data contained in this document is intended for use with specific …%PDF-1.7 %µµµµ 1 0 obj >/Metadata 871 0 R/ViewerPreferences 872 0 R>> endobj 2 0 obj > endobj 3 0 obj > endobj 4 0 obj >/ExtGState >/ProcSet[/PDF/Text/ImageB ...ACCURATE 4350 ®. Accurate 4350 is a short cut, single-base, extruded rifle powder in the extremely popular 4350 burn range. A highly versatile powder, 4350 can be used in a wide range of cartridges from the popular 243 Win to the …2,749. Ceciltucky. I know I'm getting older, but I could have sworn Hodgdon had recommended H110 loads for 458socom on their website back in 2019 when I started …
East GA. Posts. 2,130. 458 SOCOM Loads. I recently aquired a RRA AR-15 in 458 SOCOM. My intent is to use it for primarily sub-sonic loads. I currently have the following molds: RCBS 45-300-FN, 45-405-FN and Lyman 457483 (385 gn). I will probably obtain a 500 grain or heavier mold as well.. What is per pay
Microsoft has included a magnifier program to make computer use easier for those who have visual impairments. Normally, the magnifier will only load when it is selected from the Ac...45 Cal .458 300 gr HP. Item #4500 | 50/Box. Our traditional line of bullets feature exposed lead tips for controlled expansion and hard-hitting terminal performance. Most have our pioneering secant ogive design — one of the most ballistically efficient profiles ever developed (see diagram to right).SBR-SOCOM yields high loading densities and optimized velocities with low Standard Deviations (SD) values, not only in velocities, but in chamber pressure. The 458 SOCOM is a low pressure cartridge, operating at a maximum 35,000 psi and this powder optimizes this, producing clean and consistent performance.45 Cal .458 300 gr HP. Item #4500 | 50/Box. Our traditional line of bullets feature exposed lead tips for controlled expansion and hard-hitting terminal performance. Most have our pioneering secant ogive design — one of the most ballistically efficient profiles ever developed (see diagram to right).Find reloading guidelines and data for your Barnes Bullets products. ... 458 SOCOM 45-70 1895 MARLIN 45-70 RUGER NO.1 450 MARLIN 458 WINCHESTER MAGNUM.458 socom reloading data 12-16-2019, 02:44 PM I purchased and AR Stoner 458 socom upper and I'm in the process of getting my dies and other odds and ends so I can get loading.Sep 27, 2015 ... i have a feeling this is staged. I've been hunting wild toilets for almost 9 years in Eastern Washington, and never have i been able to ...Load Data for .458 Socom . Bullet: 410 gr SUB-X (HDY) Diameter: 0.458" Powder: 2015 (Accurate) Starting Powder: Max Powder: 30.0 gr . Primer: WIN WLP . Case: Starline ...Load Data for .458 Socom. Bullet: 300 gr TAC-TX (Barnes) Diameter: 0.458" Powder: Lil'Gun (Hodgdon) Starting Powder: 24.5 gr. Max Powder: 26.5 gr. Primer: REM 2½. …Load Data for .458 Socom. Bullet: 400 gr FN (Speer) Diameter: 0.458" Powder: CFE BLK (Hodgdon) Starting Powder: 34.8 gr. Max Powder: 38.9 gr. Primer: WIN WLP. Case: ….458 Winchester Magnum - Published Manufacturer Loading Data Shellholders: Hornady #5. Lee #5. RCBS #4. Recipe Type: ... 0.458" Powder: H322 (Hodgdon) Primer: CCI 250 MagLoad Data for .458 Socom. Bullet: 300 gr TAC-TX (Barnes) Diameter: 0.458" Powder: IMR 4227 (Improved Military Rifle) Starting Powder: 28.0 gr. Max Powder: 30.0 gr. Primer: …May 28, 2015 · Have you seen this. I think it's the first time a powder company has actually published any exact information on 458 socom. I know it's just one companies set of data but it's the first time I've seen anything published. Has anyone else seen anything published by any of the other major companies?... Dec 29, 2018 ... Loading 45-70 with 600 grains. Just Some BS · 598K views ; The True Distance of a Typical Gunfight. Lucky Gunner Ammo · 418K views ; Loading 458 ...Jan 24, 2010 · Re: 458 SOCOM Load Data Anyone use IMR4227, Accurate 5744, Accurate 1680, or Accurate 2015 for the .458 Socom? These powders' burn rates are between (or REAL close, depending on the chart) to H110 and RL-7. There may be nothing to gain, but it is nice to have options to tailor loads. .