458 socom loading data

458 SOCOM Tromix heavy duty upper, 400 Maker REX, CCI 300, ?? gr CFE-BLK, 16” barrel, 1-14 twist. 5 shots 1,227, 1,218, 1,247, 1,274 and 1,231. ... All that said the standard primers have worked better on some loads. I don’t like Lil Gun because of how dirty it is and it seems to heat the barrel quicker. ... There isn’t much load data out ...

458 socom loading data. 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 Hornady

.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 …

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: ...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.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).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 ...The .458 SOCOM is a relatively large round designed for a specialized upper receiver that can be mounted on any AR-15 pattern rifle. The 300-grain round offers a muzzle velocity …Taurus1965 Discussion starter. 2624 posts · Joined 2016. #12 · Jan 25, 2020. Loaded up some rounds today for tommorows range trip. Load data is all over the place with .458 socom. Getting OAL FROM 1.85 TO 2.10 and powder from 26.gr to 33.gr with 350 gr. bullets and H110 powder. Like.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 ...

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.H110 gives slightly higher velocity but will not work as well with midlength gas. Reloader #7 works well in both CAR and midlength gassed rifles and only gives up a few fps. Check out all the loading data on .458 SOCOM Forums. Starline is ….458 Socom - Published Manufacturer Loading Data. Shellholders: Hornady #1. Lee #2. Recipe Type: Bullet Weight: Powder: Recipe Source: Starting. Max. Source. 125 gr. FN. …The dawn of the .458 Socom (in my gun safe) is breaking! My current plan was to use BL-C2 powder (because I have a lot of it and load data) and working up some loads minimum charge to max and see how it goes. ... Here is the reloading forum on the SOCOM: Load Data . Battle of Wanat: 10 years ago last 13 July, 1LT Brostram was killed …To make it easier to digest, I’ve put all the data in a chart. Keep in mind that barrel lengths for.454 Casull loads varied based on manual; the .458 SOCOM typically …Great LPVO Performance at a Great Price | The New Vortex Venom 1x6x24. [ARCHIVED THREAD] - WANTED: Your .458 SOCOM load data with Hodgdon Lil Gun. ARCHIVED. Posted: 3/28/2006 1:07:09 PM EDT. I am compiling load data for the .458 SOCOM and particularly using Lil Gun to help someone reduce "time to market".

The new issue of Handloader has an insert supplement on AR-Tactical loads that includes the 458 SOCOM, as well as the other big bores, but they left out the newer .458 bullets recently on the market, such as the Hornady 325 gr FTX and the Barnes 330 grain Flat Nose Solid, as well as a host of other bullets available to the 458 SOCOM. There ...With Accurate 5744 the lightest charge Hodgdon lists for a 405gr cast lead bullet is 24.3 gr at about 1200 FPS vs. Hornady's 30.3gr charge for the 410gr Sub-X at 1300 FPS. A shorter barrel and a jacketed, slightly heavier bullet might be enough to reduce the velocity to subsonic levels. The Second Amendment-America's Homeland Security!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). As a deer hunting cartridge, .458 SOCOM ammo works well with a 300-grain bullet at 1800-2000 fps muzzle velocity and delivering 2250 foot pounds of energy. It does not have the higher muzzle velocity of most big game cartridges but the energy behind that larger .458-caliber bullet offers excellent penetration at close range.458 SOCOM Tromix heavy duty upper, 400 Maker REX, CCI 300, ?? gr CFE-BLK, 16” barrel, 1-14 twist. 5 shots 1,227, 1,218, 1,247, 1,274 and 1,231. ... All that said the standard primers have worked better on some loads. I don’t like Lil Gun because of how dirty it is and it seems to heat the barrel quicker. ... There isn’t much load data out ...Taurus1965 Discussion starter. 2624 posts · Joined 2016. #12 · Jan 25, 2020. Loaded up some rounds today for tommorows range trip. Load data is all over the place with .458 socom. Getting OAL FROM 1.85 TO 2.10 and powder from 26.gr to 33.gr with 350 gr. bullets and H110 powder. Like.

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I was looking at the reloading data for the 458 SOCOM cartridge and noticed that the site says that all of the primers used were either CCI or Winchester large rifle primers with Starline brass. It is my understanding that Starline has only ever offered their 458 SOCOM brass with large pistol primer pockets and they say on the website that if ...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 ...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 ...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..458 Socom - Published Manufacturer Loading Data. Shellholders: Hornady #1. Lee #2. Recipe Type: Bullet Weight: Powder: Recipe Source: Starting. Max. Source. 125 gr. FN. …

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 …This is the mental load of motherhood that no one talks about. The unseen things. The necessary but sometimes mundane tasks that go unnoticed. Things like bills, graduation cards, ...Whenever, it is possible to measure a parameter accurately, it is a huge advantage to know/conclude what is happening. It will immediately tell you whether the combination is in-line with the published reloading data or not. The availability of affordable and accurate chronometers has put this measuring ability within reach of most reloaders today.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 ...Anybody have good loads for 458 socom pushing a 350gr pill? Having a hard time finding anything out there Archived post. New comments cannot be posted and votes cannot be cast. ... I did a search using ".458 socomm load data 350 gr" and found 5000 hits. I trust what comes from Ed Harris. Reply reply     TOPICS. Gaming. Valheim ...We place limited powder inventory for sale on a regular basis on our website. When we are sold out, we are sold out. We do not take backorders and our Tech Services team cannot take orders via email or phone. The max order quantity of any powder SKU is 5 and we will only accept one order, per customer, per calendar month with a maximum weight ...Today, Hornady’s business scope includes several distinct product categories including Ammunition & Components (that include pistol calibers from .380 ACP up through .50 BMG), Reloading Tools (including presses, dies & case prep tools) Hunting Accessories (such as range bags & targets) and Apparel & Accessories (including hats).Support Portal » Knowledgebase » Instructions » Loading Data Articles. 8 x 56 Mannlicher Load Data 10/20/2011 1:03 pm Loading Data; 300 AAC Blackout Load Data 11/01/2017 10:31 am Loading Data; Rifle Dies; 45 ACP large primer load data vs. small primer load data 02/20/2012 8:27 am ...

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" starting ...

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 ....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. ... (March 2024) on reloading the 458 and 375 SOCOM. I scanned the article for you. Pics are too large to upload. I do not know how to resize pics. Send ….458 Socom - Published Manufacturer Loading Data. Shellholders: Hornady #1. Lee #2. Recipe Type: Bullet Weight: Powder: Recipe Source: Starting. Max. Source. 125 gr. FN. (Sierra) Powder: BLACKOUT (Shooters World) Primer: Large Rifle. Case: HDY. Trim Length: C.O.L.: 2.425" Powder: 22.0 gr. 26.2 gr. Vel.: 2,140. 2,477. Press.: 40,872. Shooters World.Does anyone have load data for .458 Socom using 45/70 (.496) Hunter's Supply hard cast bullets. I would like to use IMR 4198 powder. Any help would be appreciated.When a Walmart gift card is purchased online, the customer selects the amount that will be loaded on the card. Cards can only be reloaded in a Walmart store by retail customers. Co...Cartridge Name.458 SOCOM Brass Source Starline, Midway Shell Holder.45ACP/.308 Win Primer Size WLP, CCI350 Max Pressure 35,000 psi Trim Length 1.570-1.575 Bullet Name Barnes Remington Barnes Hornady Bullet Wt 250 XFN 300 gr JHP 300 gr X S 350 RN Item # 45831 RB4571 45802 4502 Powder H4227 Reloder 7 Reloder 7 IMR4198 Charge (gr) …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.

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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 spectrum of weights you can hurl from a .458 SOCOM. Well, almost. There’s a 140-grain ARX loading that’s speedy to the max. Up in the midrange bullets—300-, 350- and 400-grainers—you can jar your fillings with velocities in the 1,500- to 1,700-fps range. We’re talking about a 575 to 600 PF momentum..458 Socom (Barnes Data 2012) reloading data with 20 loads. Using bullets from Barnes TAC-TX, Barnes Banded Solid. Powders include Hodgdon, Winchester, IMR, Accurate, AlliantJan 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. .458 SOCOM, 1.575 case length Barnes 300 gr TTSX, 2.255 loaded length MAX loads, velocities estimated for 16" barrel Powder Charge Case Fill Velocity Max Pressure Name (grains) (%) (ft/s) (psi) ... Data contained herein is intended for use by individuals who are familiar with correct and safe handloadingThe Hogdon short cut powders (Extreme line) are marketed as temperature insensitive and easy to meter. Not sure about the temp part, but they do meter well. The Socom does seem to respond to faster/slower powder and barrel length pretty well. My 20" barrel will give more velocity than published 16" loads, duplicated.Having trouble finding reliable data on loading these. I have H110, and Lilgun. New Starline brass CCI 300 LP ... The Barnes 300gr TTSX is an all copper bullet that is substantially longer and an exception to all other 300gr load data in the 458 socom. It is also not to be confused with the Barnes 300gr TSX which has a much longer ogive and …Rifle Data. Rifle Data. Here you will find load data for some of the most recent cartridges on the market, with more being added each week. We are currently populating the cartridge drop-down menu with updated cartridge renderings, new propellants and bullets, and links to complimentary product pages. Cartridge.The Hogdon short cut powders (Extreme line) are marketed as temperature insensitive and easy to meter. Not sure about the temp part, but they do meter well. The Socom does seem to respond to faster/slower powder and barrel length pretty well. My 20" barrel will give more velocity than published 16" loads, duplicated.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: 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 ... 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 …Start by reading up at the .458 Socom Forums. Lots of good info / discussion there. Most will tell you the lighter bullets (300-350 gr.) can be difficult to get to cycle in a semi auto if loading to subsonic velocities. I haven't tried 300 gr. bullets, but I have gotten 350 gr. plated bullets to run using H4198.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 …Taurus1965 Discussion starter. 2624 posts · Joined 2016. #12 · Jan 25, 2020. Loaded up some rounds today for tommorows range trip. Load data is all over the place with .458 socom. Getting OAL FROM 1.85 TO 2.10 and powder from 26.gr to 33.gr with 350 gr. bullets and H110 powder. Like.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.The 458 SOCOM Subsonic Load Data offers a comprehensive selection of reloading data that can be used to tailor the perfect 458 SOCOM round. This data not only provides ballistic profiles to help shooters ensure accuracy, but also helps adjust loadings to optimize range, amount of recoil, and sound. By utilizing state-of-the-art technologies ...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. 458 socom loading data, The 458 socom forum has some load data. I have been using Reloder 7 for this round. I spent some time searching and compiled a folder with a fair amount of load data from multiple sources. PM your email if you would like it. This is from the developer of the round. Attached File. Posted: 12/22/2023 12:23:13 PM EDT., 458 socom load data. Thread starter SmimL7; Start date Jan 14, 2024; Forums. The Hide Armory. Reloading Depot ... WTB 458 socom brass, 338 projectiles 224 valkyrie dies. alpharoofer; Sep 5, 2023; Buy - Sell - Trade ; Replies 5 Views 177. Nov 25, 2023. army_doc. A. 458 SOCOM 350g Berry's Subsonic. Old Man with Gun; Jul 23, …, Sep 1, 2021 ... 45-70 and 458 socom have the same bullet diameter 458 SOCOM is similar to a light 45-70 while 45-70s case is longer than 458 cases, ..., Rifle Reloading (General).458 Socom Load Data; Download our Android App! Download our Apple App! ... 38 Special, .357 Mag, 40 S&W, 44 Mag, 45 ACP, .458 Socom, .223 Remington, 22-250,7MM Remington Mag, 30-06 and 340 Weatherby Mag, 50 Beowolf. 09-15-2018, 05:35 PM #2. Cncmachinist. View Profile View Forum Posts Private Message, There are few things that irritate gamers more than a game that won't load properly. While slow load times can often be remedied by altering some computer use habits, sometimes th..., 458 Socom case dimensions have changed since introduction. Early dies were a little undersized, making it difficult or impossible to resize cases without having them stick in the die. ... — Loading Data 39. Warranty and General 9 — Place an order 8 — Warranty / Guarantee 1. Industry News Tags. 11mm French 11mm Gras 11x59R ..., .458 Socom - Published Manufacturer Loading Data. Shellholders: Hornady #1. Lee #2. Recipe Type: Bullet Weight: Powder: Recipe Source: Starting. Max. Source. 125 gr. FN. (Sierra) Powder: BLACKOUT (Shooters World) Primer: Large Rifle. Case: HDY. Trim Length: C.O.L.: 2.425" Powder: 22.0 gr. 26.2 gr. Vel.: 2,140. 2,477. Press.: 40,872. Shooters World., .458 Socom - Published Manufacturer Loading Data. Shellholders: Hornady #1. Lee #2. Recipe Type: Bullet Weight: Powder: Recipe Source: Starting. Max. Source. 125 gr. FN. (Sierra) Powder: BLACKOUT (Shooters World) Primer: Large Rifle. Case: HDY. Trim Length: C.O.L.: 2.425" Powder: 22.0 gr. 26.2 gr. Vel.: 2,140. 2,477. Press.: 40,872. Shooters World., Jan 15, 2019 · I cast up some bullets with the 458 300 grain flat nose from RCBS. My Alloy is 75% wheel weight and 25% range scrap water quenched. Everything has been sized to .459 with White label lube 50-50 beeswax. Powder of choice is Reloader 7 since I have a few pounds and seemed like it fits the bill with CCI 300 primers. , 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..., Load Data for .458 Socom . Bullet: 576 gr RNFP (ACME) Diameter: 0.458" Powder: IMR 4198 (Improved Military Rifle) Starting Powder: Max Powder: 22.2 gr . Primer: WIN ... , The .458 SOCOM was developed by Marty ter Weeme, founder of Teppo Jutsu LLC in 2000. The impetus was an informal ("beer and barbeque") discussion with a senior member of the US special operations community regarding the apparent lack of effectiveness of the 5.56 x 45 cartridge in recent conflict. In particular, the reports from members of Task ..., 458 SOCOM handloads - super-sonic, max safe loads - 16" barrel. This topic can be found at: …, 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, L.-R.: .308 Win., .458 SOCOM, .375 SOCOM and 5.56. The .375 SOCOM is basically a .458 SOCOM necked down to accept the popular .375-inch family of projectiles. Slapping the upper onto a lower receiver revealed it to be a light and handy setup Weight with a Vortex 2.5-10x44mm Viper scope, mount and empty magazine came in at 8.2 …, The .458 SOCOM is a relatively large round designed for a specialized upper receiver that can be mounted on any AR-15 pattern rifle. The 300-grain round offers a muzzle velocity 1,900 fps. History Inspired by a supposed lack of power offered by the 5.56 NATO cartridge used in the M4 and the M16, the .458 SOCOM came about from informal, 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., Hi, Im fairly new to reloading and only been doing 223. Been reading up on .458 Socom and seems one of my books has nothing on it and one only has limited load data. Anyone here reloading .458 easily with reliable results ? Powders, projectiles, load data ?? Any info appreciated., 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 ..., Find out more about air conditioning cooling load. Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All Radio Show Latest View All Podcast Episodes La..., Sep 16, 2009 · The new issue of Handloader has an insert supplement on AR-Tactical loads that includes the 458 SOCOM, as well as the other big bores, but they left out the newer .458 bullets recently on the market, such as the Hornady 325 gr FTX and the Barnes 330 grain Flat Nose Solid, as well as a host of other bullets available to the 458 SOCOM. There ... , Anybody 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 ..., 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., .458 Socom (Barnes Data 2012) reloading data with 20 loads. Using bullets from Barnes TAC-TX, Barnes Banded Solid. Powders include Hodgdon, Winchester, IMR, Accurate, Alliant, .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., 458 Socom Author: Barnes bullets Subject: 458 Socom Keywords: 458 Socom Created Date: 3/22/2016 7:43:05 AM ..., CFE BLK is a spherical powder formulated for the .300 AAC Blackout, but suitable for a wide variety of rounds, including smaller capacity rounds in the Hornet/Fireball class and AR-15 cartridges ranging from the 6.8 Remington SPC to .458 SOCOM. Hodgdon’s website (hodgdonreloading.com) shows 17 compatible cartridges., Having trouble finding reliable data on loading these. I have H110, and Lilgun. New Starline brass CCI 300 LP ... The Barnes 300gr TTSX is an all copper bullet that is substantially longer and an exception to all other 300gr load data in the 458 socom. It is also not to be confused with the Barnes 300gr TSX which has a much longer ogive and …, The 458 socom forum has some load data. I have been using Reloder 7 for this round. I spent some time searching and compiled a folder with a fair amount of load data from multiple sources. PM your email if you would like it. This is from the developer of the round. Attached File. Posted: 12/22/2023 12:23:13 PM EDT., 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: 410 gr SUB-X (HDY) Diameter: 0.458" Powder: 2015 (Accurate) Starting Powder: Max Powder: 30.0 gr . Primer: WIN WLP . Case: Starline ..., 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., Western Powders 458 SOCOM Load Data 5/20/15 Edition 5.0.1 Start load Velocity Max load Velocity Powder Bullet Grains FPS Grains FPS Pressure OAL Barrel: 16" ¦ Twist: 14" ¦ Primer: WIN WLP ¦ Bullet Diameter: 0.458" Case: STAR ¦ Max Case Length: 1.575" ¦ Trim Length: 1.570" Accurate 2200 325gr Hornady FTX 38.1 1,561 42.3 1,739 34,714 2.160 ...