My 15" barrel Thompson-Center Encore pistol in 500 S&W Magnum launches a 385 gr Remington core-locked hollow point bullet at 960-1000 fps using a completely full case worth of Trail Boss powder. I love my .458 but it is very expensive to feed! Just not sure when. If you then team it up with a suppressor like the Wilson Combat Whisper (which is built to withstand the .458 HAMR, so no worries about your .458 SOCOM), then you wont even need hearing protection. They were also instrumental in getting the 458 SOCOM cartridge accepted by The requirements were simple: It had to be an upper, or a rebuild, thatd work on a standard AR-15/M16/M4 lower. (10 Gauge Coach Gun), GRTools Reloading simulation software for free. I'll live with shooting 582gr bullets instead of 750's. 600 gr. The Maker Overwatch Field 500gr 458 SOCOM ammo utilizes the Maker Bullets 500gr 458 SOCOM REX expanding solid copper projectile. . Ammunition must ship UPS ground. The impetus was an informal ("beer and barbeque") discussion with a senior member of the US Were talking about a 575 to 600 PF momentum. Old handguard off (so old its a quad-rail) and old barrel out. Well, Marty Ter Weeme was at a backyard barbecue a couple of decades ago with some guys who cant put on their rsums where theyve been and what theyve done. An accurate bullet with the 458 SOCOM ogive profile makes for flawless functioning. Literally 1/2 MOA at 50 same at 75. then 100.I am stumped. And I eat tacos. twist is 1/14. The .458 SOCOM feeds flawlessly from many standard unmodified 5.56 AR magazines. The somewhat faster pistol powders are preferable for the lighter 300grain range bullets, while slower burning powders work better with the heavyweights. Details. Due to safety considerations and legal/regulatory reasons, Ammunition may not be returned. Our mission is to help you improve your skills, save money, and achieve greater accuracy with your reloads. Thanks for the speedy reply. 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Its also as big as you can make the AR-15 bolt face and still have enough locking lug metal left to be safe to shoot your rifle. Known as the .458 x 1.5-inch Barnes, it was the predecessor to the .458 SOCOM. Owning an AR-15 that is chambered in an off-beat cartridge has its . Underwood Ammunition 458 SOCOM 500 Grain Hard Cast Lead Flat Nose Gas Check Subsonic Box of 20. The 458 SOCOM cartridge offers the practical ballistics of the legendary .45-70 in a modern AR platform rifle and is capable of firing 250 to 600 grain .458 caliber bullets in a lightweight, controllable package. SBR Ammunition SBR 458 SOCOM Subsonic Ammo 500 Grain Full Metal Jacket. by Bendersquint Tue Apr 19, 2011 1:40 am, Post The big heavy, long bullets need more twist to be stable at that low of a speed. Until things straighten out in our government and society, we will have to streamline our customer service in order to serve all customers. Ruger Revolvers and 45 Colt +P Ammunition, HEAVY 10MM OUTDOORSMAN Handgun Ammunition, Heavy .38 Special +P Pistol and Handgun Ammo. Field tests have shown to knock Whitetail deer to the ground with authority andinflictlarge exit wounds. Buddy Singleton from Southern Ballistic Research, LLC (SBR) in Still stalled out, but thinking about re-starting the project. I'm actually in the process of building myself a suppressed .458 Socom, but in an AR platform. These measures are hopefully temporary and will not be needed for long as we enjoy the interaction with our customers, so please, for the time being, be mindful of all those others who are also trying to get ammo during what I think is a societal meltdown/emergency. As stoutly as it thumps you, it hammers what it hits. There is still alot of experimenting with loads and blogs as of 2012 are the best source. by Artful Fri Jan 15, 2010 12:23 pm, Post In our opinion the .458 SOCOM has several design and performance advantages over the.450 Bushmaster and the .500 Beowulf including improved functional reliability and the use of a standard AR magazine. Game animals. Item 47F----1075 fpsItem 47G----1115 fps, Item47G - Exterior Ballistics Charts for several Muzzle Velocities. Suppressors .458 socom suppressed. The CTX features a 300 grain . Look at these big fat pills!! For those who want to hunt big game, destroy cars or houses, or do close range sniping with an AR platform firearm, the 458 SOCOM has no equal. + game animals. After a lot of research and discussion, I have come to the conclusion that there's no case easily converted to do what I want. The impetus was an informal ("beer and barbeque") discussion with a . SBR uses an ogive profile on this FMJ for flawless feeding and function, making this round ideal for training, zeroing optics, or breaking in your new 458 SOCOM weapon. Brunswick, GA was asked to developed factory loaded ammunition for the 458 SOCOM. JHP (High Power) 160rds $ 331.99 We want you and your families to be armed and safe and we wish you the best during these trying times. JavaScript seems to be disabled in your browser. Because of the big bullet diameter and deep-penetrating bullet, this load is appropriate for 2,000 lb. So, please do not email and ask if items are in stock. In Stock. DONATE. by. bullets. Yowza! Pick the handguard back off the bench, install, align, tighten. You are going to get what you ordered. the cartridge. Teppo Jutsu saw no need to change the primer pocket. by WhisperFan Mon May 31, 2010 9:41 pm, Post The 458 SOCOM cartridge offers the practical ballistics of the legendary .45-70 in a modern AR platform rifle and is capable of firing 250 to 600 grain .458 caliber bullets in a lightweight, controllable package. If youd like to change an order, we can no longer do that till things slow down, so simply place another order for more product, but PLEASE, NO MORE CHANGES after the fact! Subsonic Maker Solid Copper Hollow Point (SCHP) $ 74.99 Add to Cart 458 SOCOM 250gr. there is a throat limit in the 458 SOCOM chamber where it will not accommodate some types of I used this bullet to harvest a deer this fall. NO, large rifle primers are taller than large pistol primer. Then, plug the Brownells .458 SOCOM barrel into the upper, tighten the barrel nut (tight-loose-tight-loose-tight to alignment), install a gas tube into a gas block and then install that and tighten it into place. Wanted to try the 500g expanding hollow point Outlaw State bullets . If you move up to 500 grains, you can go for all the gusto, and generate some 1,300 fps out of a full-length barrel for a power factor of 650. More results: 1 2 3 Next Page View All. Even hand loading, your talking $85-$90 for 50 rounds of brass and if you want the 500 grain bullets, you will be looking at $40 to $60 for a box of 50. More results: Previous Page 1 2 3 Next Page View All. the unsubscribe link (where available) in one of our messages. The cartridges considered were7.6239mm M43, 939mm Grom, .45 Professional (which has since become the .450Bushmaster), and .50 Action Express. Acme bullets makes a .458 SOCOM-specific bullet thats 576 grains in weight and given a bright red Hi-Tek coating. Brass and dies are readily available and there's a huge selection of bullets. cartridge in recent conflict. Youcan back off loads. Contact Form 7 or GravityForms plugin is required! SBR 458 SOCOM 550 Grain Subsonic TCJ | Ammunition Depot 4/22/2023 ON SALE Ammunition Bulk Ammo Bulk 223 Ammo & Bulk 5.56 Ammo Bulk 9mm Ammo Bulk 45 ACP Ammo Bulk 380 Ammo Bulk 308 Ammo Bulk 7.62x39 Ammo Bulk 22LR Ammo Bulk Pistol Ammo Bulk Rifle Ammo Bulk Shotgun Ammo Handgun Ammo 9mm Ammo 380 Ammo 45 ACP Ammo 38 Special Ammo 40 Cal Ammo And it is in such a twilight that we all must be aware of change in the air -- however slight -- lest we become unwilling victims of the darkness. After the design was completed, Tony Rumore of Tromix Corp in Broken Arrow, OK was contacted to build the first prototype. 500 grain 458 hollow point with cut jacket. Thank you for your understanding. There are several options available for receiving notifications of new posts to include via email, push notifications, Facebook, Twitter, Reddit, Discord, and more. We have LOTS of ammo in stock and are making more at a huge volume on a daily basis. Building the .458 SOCOM takes only two caliber specific parts-a .458 specific bolt and barrel- Wilson Combat is further optimizing their .458 SOCOM rifles by adding an adjustable gas block, extra power action spring and straight gas tube as a standard reliability upgrade. HARD CAST GC FN (1115 fps)20 Round Box. by johndoe3 Sun Jan 31, 2010 4:44 am, Post Steel less than perfectly smooth may bounce back fragmentswhich is why you want to be 100 yards away. The .458 SOCOM achieves optimum ballistic performance in barrel lengths shorter than 16 so there is no need for longer, less portable barrels. bullets at subsonic velocities, and the Barnes .458 x 1.5" briefly saw service in Vietnam in the Special Operations community. Due to Department of Transportation regulations, we cannot accept returns on Ammunition. The nose is an open tip design. The SOCOM is also capable of launching 500- 600 grain bullets at subsonic velocities for suppressed or tactical use. PacNor will do a .458 barrel in a 6 groove 1:8 or an 8 groove 1:10. This 500 gr. In our opinion the .458 SOCOM has several design and performance advantages over the.450 Bushmaster and the .500 Beowulf including improved functional reliability and the use of a standard AR magazine. And magazines are simple: You use regular AR mags. Message frequency varies. Its the standard rim diameter of the .30-06 family of cartridges, along with the 8mm Mauser and such. I LOVE the 458 Socom round, it is the most fun round I own to shoot. ), (See note on Powders below or read all about various Powders.). Join the exclusive reloading community founded in 1996 and be the first to know about our latest news, reviews, and insights. I am looking for subsonic loads for this new to me caliber. The thump is impressive. It is a place to teach, to learn, and to collaborate and interact. The SBR Ammunition Full Metal Jacket Line is used as a general purpose cartridge. This allows you abetter chance of destroying vitals. The SOCOM is also capable of launching 500- 600 grain bullets at subsonic velocities for suppressed or tactical use. designed just stayed with the 458 SOCOM, plus the cartridge was operating with pistol The question arose because those present had experience at shooting people and werent entirely happy with the results they were getting from the M855. The .458 SOCOM achieves optimum ballistic performance in barrel lengths shorter than 16 so there is no need for longer, less portable barrels. The case length was chosen to becompatible with the Barnes 300-grain X Spitzer bullet. Having the ability to easily adjust your gas volume allows the end user to fine tune their carbines bolt velocity for a specific loads power. The likely candidate that was up in the rotation was a Hi-Lux 1-4 in a LaRue QD mount. by Wicked Tue Mar 08, 2011 2:07 pm, Post First designs used the 8 x 68 S case, as it shares the rim diameter of the .50AE and is non-rebated. The 1/14 twist is supposed to stabilise the heavy weight (500 grain) bullets for short range shooting but the VLDs offer some interesting, if expensive, experiences and have to be tried! You can download a copy of the cartridge print directly from the CIP website, or click here to download a pdf copy. Oh, and the magazines? We have found that the .458 SOCOM offers peak downrange performance when firing the purpose built Barnes 300 grain TAC TX bullet in the 1750fps - 1800fps velocity range. SBR continues the ballistic research to help take the 458 SOCOM cartridge to the next step as a fully developed CQB weapons platform. Right now, we expect you to do your part to help us all get the ammo we need in our troubled country. The .458 SOCOM ( 11.6340mm) is a moderately large round designed to work in an AR-15 platform. Upon impact the nose explodes. Taylor Knock-Out Factor Calculations What it takes to knock-out big game. It had to use standard AR-15 magazines. DOES BBA MAKE AMMO TO SAAMI SPECIFICATIONS? The 1-22 twist rate is an absolute tack driver with 250gr 325gr bullets commonly used for hunting and is the optimum choice for the Barnes 300gr TAC TX/TTSX SOCOM bullet. Also, in late 2020, the CIP Committee reached out to SBR about the 458 SOCOM, and in November 2021 the 458 SOCOM was CIP approved. For hunting medium to large game, bullets in the 250 grain 400 grain weight range possess devastating killing power. By entering your phone number and submitting this form, Our hunting loads for medium-sized game (Item 47A andItem 47B) will hammer deer, medium sized hogs and bear with aplomb. (such as promotion codes and cart reminders) from AMD at the number provided, The 458 SOCOM (aka: 11.5x40mm RB) is a large caliber cartridge designed for use on the AR15/M4 platform. It was shown as effective in terms of ballistics, firing a 500 grainbullet subsonically, but not ideally suited for its role due to the size andweight of the platform. lbf). This is achieved by installing a 458 bolt and barrel. Our extensive testing has found the Lancer L5 AWM magazine to be optimal for this round. Maximum firepower ammo. SBR is the leading manufacturer of factory loaded 458 SOCOM, and they continue the R&D on Hodgdons Powder Guide on line and other internet sources. Thatd be with the Polycase ARX ammunition. Our extensive testing has found the Lancer L5 AWM magazine to be optimal for this round. The thump is impressive. Required fields are marked *. ( 2) Write a Review Q&A (1) Our Price: $72.99. LilGun (use between 28.5 gr. Out of Stock. Please check local laws before ordering. game animals. Full.Lead.Taco 100% 4.34K Views 9 Likes November 9, 2018 By Full.Lead.Taco 8 Comments Links to the bullet molds: 500 gr shortened version 600 gr MOAB bullet mold without crimp groove Full.Lead.Taco I love guns, tacos, and lead. they are .4585 currently. Satisfactory powders for 458 Socom subsonic: Bullseye, Unique, 2400 Unsatisfactory powders: 1. by Rikky Lee Sun Jan 31, 2010 2:45 am, Post It was developed by Marty ter Weeme, founder of Teppo Jutsu LLC in 2000. Last I looked, factory ammo is running $50+ for 20 rounds. Pistol Loads | Rifle Loads | How to Reload | Reloading Gear | Contact, Pistol Loads | Rifle Loads | How to ReloadReloading Gear | Contact, Pistol LoadsRifle LoadsHow to ReloadReloading GearContact, Copyright 2023 Reload Ammo Built with by Edward KadoPrivacy Policy | Cookie Policy | Terms of Service | Amazon Affiliate Disclosure, Copyright 2023Reload AmmoBuilt with by Edward KadoPrivacy PolicyCookie PolicyTerms of ServiceAmazon Affiliate Disclosure. Well, actuallyyou might want some. Get 12 Issues a year of the country's best firearms writing. Bullet on right measures .750 diameter and penetrated 29 inches of 10 percent gel. The chamber pressure limits are calculated based upon the bolt thrust force vs the diameter of The .458 Subsonic Controlled Fracturing was designed for outstanding terminal subsonic performance for suppressed bolt gun or single shot applications. Message and data rates may apply. Yeah this is going to limit the rounds I will be able to successfully use, but I prefer for it to be quiet. However, that case was too short, and the rim too big. When we manually change orders it requires a lot of time that we do not have during this rush and it keeps us from serving all of our customers. If they arent, the shopping cart will not take your order. The .458-inch bullets can provide better exterior ballistics, better Sectional Density and deeper penetration, especially on big and tough game animals. We recommend this twist rate if you plan to use a suppressor to eliminate the chance of a baffle strike. Based on the favorable reviews, commercial production was started and the initial rifles were produced by Tromix. Ammunition must ship UPS ground. Discussion: * Most magnum pistol powders can be used as well as some riflepowders. Maker Solid Copper Hollow Point (SCHP) In Stock $ 45.99 Add to Cart 458 SOCOM 325gr. Our hunting loads formedium-sized game (items 47A and 47B) will hammer deer, medium sized hogs and bear with aplomb.Item 47A----1901 fps Item 47B----1875 fps, Items 47C and 47D will cleanly take big game animals weighing over 2,000 lbs. Item 47C----1710 fps Item 47D----1550 fps, Item 47E, a 405 grain Hard Cast, Gas Checked, Flat Nose Item 47E----1675 fps, Items 47F and 47G will handlesubsonic, suppressedsniping, (to about 200 yards) or close range hunting needs on 2,000+ lb. Test Barrel: TROMIX 16" 1:14. However, case capacity can become an issue with bulky rifle powders.If I can find some loads with 2400, that might be a good experiment. Though the 1.5-inch Barnes was the wrong size and weight for the M4 platform, it inspired Tony Rumore and Mary ter Weeme to develop the SOCOM round. by Wicked Wed Apr 27, 2011 8:37 am, Post had to work on the AR15/M4 platform with little modifications. No. We dual diametered the shank which allows the bullet seatingcloser tomagazine length. You have successfully joined our subscriber list. The bullet is designed to perform optimally at subsonic velocities to ranges of 100 + yds with upto 3X expansion and nearly 100% weight retention. If youre using a rifle and a 20-inch barrel, you can step on the heels, or even elbow aside, 2,400 fps. For those who want to hunt big game, destroy cars or houses, or do close range sniping with an AR platform firearm, the 458 SOCOM has no equal. It was developed by Marty ter Weeme, founder of Teppo Jutsu LLC in 2000. pressures of 35,000 psi. - Winston Churchill. I am beginning to wonder if they are becoming unstable after 75 yards. The .458 SOCOM comes back with a certain amount of authority, and you dont want to be crowding the scope when you touch off one of the robust ones. Impact velocity = 975 fps, resulted 14 inches into a BULLET TEST TUBE. I grabbed a Brownells barrel and bolt off the shelf and looked for build candidates. Editor's Note: This article originally appeared in the June 2021 issue of Gun Digest the Magazine. History Inspired by a supposed lack of power offered by the 5.56 NATOcartridge used in the M4 and the M16, the .458 SOCOM came about from informaldiscussion of members of the special operations community, specifically TaskForce Rangers experience that multiple shots were required to neutralizemembers of the opposing force in Mogadishu during Operation Gothic Serpent.Marty ter Weeme designed the cartridge in 2000 and Tony Rumore of Tromix, Incwas contracted to build the first .458 SOCOM rifle in February 2001. Field Proven rifle and gun ammo. Patrick Sweeney is the author of many of Gun Digest books' best-selling titles, including Gun Digest Book of the 1911, Vols. 458 SOCOM SUBSONIC HUNTING & SNIPING AMMO 500 gr. 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 These cartridges are equipped with an ultra heavy-weight 550-grainfull metal jacketed bullet, which is the heaviest 458 SOCOM bullet that SBR produces. We have found that the .458 SOCOM offers peak downrange performance when firing the purpose built Barnes 300 grain TAC TX bullet in the 1750fps 1800fps velocity range. His loads have been successfully tested and used by others for more than 25 years. As you said, twist is the big issue. Minor machining has also been performed to the ejection port opening of the upper receiver to allow clearance for the larger cartridge. by Wicked Wed Jan 13, 2010 2:09 pm, Post The videos on this channel focus on the first two itemsusing guns and making the ammo that gets used in them. Mostly it would be a range toy used up to 300 meters on reactive steel. This is achieved with a muzzle velocity 1050 fps. For hunting medium to large game, bullets in the 250 grain- 400 grain weight range possess devastating killing power. Save my name and email to use for future comments. Please leave us alone so we can serve all of you. The .458 SOCOM treads hard on its heels, but with a flatter (albeit still arcing) trajectory. I currently live in south Texas (near sea level and temperate climate). Lehigh makes a 528gr frangible too. You dont have to invest in special, proprietary buffer weights or springs. Currently there are no reviews for this product. I & II; Gun Digest Big Fat Book of the .45 ACP, Gun Digest Book of the AR-15, Gun Digest Book of the AK and SKS, Gun Digest Book of the Glock and Gunsmithing: Pistols and Revolvers, among other titles. CONTACT US All Rights Reserved Wilson Combat. After the design was completed, Tony Rumore of Tromix Bullet wise right now I have a pile of 300gr Hornady JHPs, some Missouribullet 410gr coated, and I have lee dies for casting their 500gr. It uses large pistol primers and slow-burning pistol powders or fast-burning rifle powders. Get the 76th edition of the World's Greatest Gun Book. by Bendersquint Wed Apr 27, 2011 9:00 am, Powered by phpBB Forum Software phpBB Limited. Item 47CandItem 47D will cleanly take big game animals weighing over 2,000 lbs. About the .458 SOCOM The Lancer 20 round 5.56 magazine holds seven SOCOM rounds and the 30 round 5.56 magazine will hold nine. We have hundreds of customers to get orders to on a daily basis. So, they chose the .458-inch bullet diameter. Impact velocity = 975 fps, resulted 14 inches intoa BULLET TEST TUBE. $44.30. The fragmenting design of these bullets reduce the chance of ricochet. If that latter number looks familiar, it is. Reloading For The .458 SOCOM. Minor machining has also been performed to the ejection port opening of the upper receiver to allow clearance for the larger cartridge. by Mike1234 Tue Mar 08, 2011 10:07 am, Post CIP is the counterpart to our SAAMI in the United States. DuraMag makes .458-specific magazines, and the rounds are single-stack in the tube (as in any AR-sized magazine) but with .458-shaped feed lips and follower. Please sit tight. OK, big deal. by Wicked Thu Jan 14, 2010 12:05 pm, Post This site uses cookies to improve your experience. I have a 16" 458 put together now and have a SBR 458 I am almost finished with. Using Outlaw State Bullets 530 grain projectiles I hope to make a quiet subsonic, yet powerful, short range deer/pig HAMMER..458 SUBSONIC - Outlaw State Bullets LLC by Valar Morghulis Sat Apr 16, 2011 4:04 am, Post The SOCOM is also capable of launching 500- 600 grain bullets at subsonic velocities for suppressed or tactical use. 458 SOCOM Subsonic Loads (Slow Heavy Hard Hitters! I have been looking for a new 'project' and was thinking that I wanted to do a suppressed .50 subsonic bolt rifle. For the speedy loads and the heavyweights going through your suppressor, youll want to use jacketed bullets. Great round. .458-405 GRAIN HOLLOW POINT- This bullets lead mushroom measures .550, and the jacket measures .600. . by Wicked Sun Apr 24, 2011 9:11 am, Post The cartridge case design was finalized based on discussions with Tony Rumoreat Tromix, Inc. suggesting a lengthened .50 AE case would work well in themagazines as well as be the largest diameter case to be able to feed throughthe barrel extension. reviews, commercial production was started and the initial AR uppers and rifles were produced barrels at relatively short distances. Next up, the case. The Magpul UBR stock and its rubber recoil pad promised to keep the .458 SOCOM from being too much of a good thing, unlike the hard plastic checkered buttplate youd find on a mil-spec carbine lower. Item 47F andItem 47G will handle subsonic, suppressed sniping, (to about 200 yards) or close range hunting needs on 2,000+ lb. I am only considering the .458 Socom because it uses a shoulder, and these heavy bullets. 458 SOCOM 500gr. Where the .458 SOCOM gets to be giddy fun is when you go with heavyweight subsonics. Marty contacted me, Buddy Singleton, at Southern Ballistic Research, LLC (SBR) in Brunswick, GA, and asked me to develop factory loaded ammunition for the 458 SOCOM. by Jimmy_Jr Sun Apr 24, 2011 2:19 am, Post (ship to you) Its a bit selfish, during times of shortages, when so many folks need to protect their families, to slow us down because you ordered carelessly or want to change your order. Where the .458 SOCOM gets to be giddy fun is when you go with heavyweight subsonics. Save my name, email, and website in this browser for the next time I comment. Thread starter N2thermals; Start date Mar 27, 2017; Forums. That The project sponsor set forth a number of specific requirements that led tothe ultimate design as it stands right now: The cartridge had to fit in theM-4 platform and magazines, be capable of firing heavy-for-caliber projectilesat subsonic velocity using suppressors. Looking for more .458 SOCOM ammunition choices? Product #: 243802. Building the .458 SOCOM takes only two caliber specific parts-a .458 specific bolt and barrel- Wilson Combat is further optimizing their .458 SOCOM rifles by adding an adjustable gas block, extra power action spring and straight gas tube as a standard reliability upgrade. Share your opinion with others, be the first to write a review. Red Dot and Green Dot because at max chamber pressure, they yield velocities below your desired 1050 fps. I am going to open up one of the sizers to .459 or so and see if it makes a difference. SBR 458 SOCOM 550 Grain Subsonic TCJ 20 Rounds | Ammunition Depot ON SALE Ammunition Bulk Ammo Bulk 223 Ammo & Bulk 5.56 Ammo Bulk 9mm Ammo Bulk 45 ACP Ammo Bulk 380 Ammo Bulk 308 Ammo Bulk 7.62x39 Ammo Bulk 22LR Ammo Bulk Pistol Ammo Bulk Rifle Ammo Bulk Shotgun Ammo Handgun Ammo 9mm Ammo 380 Ammo 45 ACP Ammo 38 Special Ammo 40 Cal Ammo Combined with the wide selection of bullets availablein .458 diameter, this cemented the choice of caliber. In particular, the reports from members of Task Force Ranger in Mogadishu, Somalia as part of Operation Gothic Serpent that multiple shots were required to neutralize members of the opposing force led to the request to develop a new cartridge that would deliver far more energy from short barrels at relatively short distances. And whatever youre shooting at gets thumpedhard. The 458 SOCOM cartridge offers the practical ballistics of the legendary .45-70 in a modern AR platform rifle and is capable of firing 250 to 600 grain .458 caliber bullets in a lightweight, controllable package. The .50 AE and .499 LWR were ruled out because in 2000 only two bullets wereoffered in .501 diameter, both developed as pistol bullets for the .50 AE andnot heavy enough for the subsonic suppressed role. The 458 SOCOM uses a large pistol The .458 SOCOM feeds flawlessly from many standard unmodified 5.56 AR magazines. Overall Length) is 2.25 and some bullets are just too long to meet that COAL limit. We have found that the .458 SOCOM offers peak downrange performance when firing the purpose built Barnes 300 grain TAC TX bullet in the 1750fps 1800fps velocity range. I use the guns. And the cleverness of the design means its a relatively easy build. H322 because only 73.3% burn in barrel, and if a supressor is used it will fill up with unburnt powder. by johndoe3 Thu Jan 14, 2010 12:34 am, Post Learn how your comment data is processed. If youre using a carbine with a 16-inch barrel, you might fall a few fps short of that. Reloading isnt difficult. After the design was completed, Tony Rumore of Tromix Corp in Broken Arrow, OK was contacted to build the first prototype.
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