The pressure and burn rate must also be close to that of the .223 or timing goes to pot, you tear things up, and reliability suffers. Want to wear when you're heading into the wild? . The final case design has base and rim dimensions identical to the .425 Westley Richards, although making .458 SOCOM cases from it is impractical due to the high cost of .425 brass. As the acronym implies (Special Operations Command), members of special operations units were unhappy with the 5.56 rounds ability to bring down the enemy quickly and with as few shots as possible in combat while using platforms such as the M4 and M16.After deliberations and experimentation, the .458 SOCOM came to be in the early 2000’s. The one component that is currently in short supply is cases. As is often the case with government requests, about halfway through the trials, the higher brass decided the emerging dust-up in Asia would be a close quarter affair, and it might be better to abandon the bulkier, heavier .30 caliber and move to a smaller, lighter, faster round. For hunting medium to large game, bullets in the 250 grain– … There is an ACE skeletonized buttstock that comes with a ½- or 1-inch rubber pad, and my order went in to Brownells immediately after doing the testing. All rights reserved. Guaranteed to be in stock + ready to ship. Much of the research on the capabilities of big-bore AR-15 rounds like the .458 SOCOM concentrate in the area of subsonic (1,050 fps and lower velocities) and suppressed loads. I use a small brass catcher on it even when hunting, so far no problems with it. © Copyright 2020 Military.com. That is extraordinary accuracy from an unmodified semi-auto rifle. Read an account about a wolf hunt in the wilds of Ontario -- at temperatures as low as 25 below zero. A .458 SOCOM at 600-grain almost becomes absurd on a deer at close range, like using a Glock on a gnat. Buy in bulk & save even more! Hot loads are more trouble than they're worth. As of now, they only offer a 16-inch chrome barrel with a flash hider (good to protect the crown, even if you're not concerned about flash), and no front sight. Shop for cheap price Common 458 Socom Barrel Threads And What Is The Effective Range Of A 458 Socom . Need some witching hours strategies for bass fishing? The .45 Professional was ruled out because, in an interview with industry press, the developer of said cartridge stated that steel proprietary to General Motors was used in the bolts and extractor to withstand the high operating pressures. Combined with the wide selection of bullets available in .458 diameter, this cemented the choice of caliber. The rifle is fitted with the Rock River match trigger, but no other modifications are made — pretty much stock as delivered by Rock River Arms. Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride I wish an 18- or 20-inch barrel were available. The recent rush of short and super-short cases that followed the .300 RUM are a perfect example of this, as are the .444 Marlin, .338 Federal along with many others. Dies are available from Hornady, Lee, CH, and soon will be available from Redding. Barrel: 16" 4150 Parkerized Heavy Barrel Twist: 1:14 Caliber: 458 SOCOM 12" Free Float Handguard ACME AR-15 Upper Receiver. Where I hunt with it, in central Wisconsin, long range is under 100 yards. This included the buffer, buffer spring, NATO magazines, many aftermarket .223/5.56 magazines, and magazine well. The mighty .458 Winchester Magnum only bumps 2,100 fps with the 300-grainers. Bullet choices are vast with Nosler, Hornady, Barnes, Speer, Woodleigh, Swift, A-Frame, Sierra, and Lost River all offering great bullets in .458 from 250 to 600 grains. The AR craze has brought us several cartridges that are designed to work with the standard .223-length case and drop deer in... Hunter Bill Vaznis has had some close encounters with tooth and claw. This power is truly suitable for larger game, like boars and bears. No one will argue the effectiveness of those cartridges on deer, but for bear, elk, and moose, the job had to be left to its bigger, heavier brother, the AR10 — where the mega rounds are found. Rock River offers either complete rifles or just uppers in .458. The project sponsor set forth a number of specific requirements namely that the cartridge had to fit in the M4 carbine and be capable of firing heavy-for-caliber projectiles at subsonic velocity using suppressors. The Coast Guard uses them to put big holes in bad boats, but for hunters, bullets in the 250 to 350-grain range will be the most useful. .458 SOCOM AR-15 "HOGZILLA" -Interview + Shooting - YouTube At the time, the .499 LWR cartridge was still in development phase and had not been chambered commercially. “I felt that if the effective range of the SOCOM could be increased to over 200 yards we’d have a much more versatile cartridge,” said Wilson. If you're like me you soon get pretty suspicious of gun writers who seem to get sub 1-inch, 100-yard groups from everything they shoot. Traveling here to there, a little fishing might be good for what ails you. With the introduction of the .458 SOCOM, the trim AR-15 is more than tough enough for the big guys. Good shooters will no doubt stretch that a lot, with high BC bullets, but big game is way different than steel gongs. This AR design likes this load. Velocity drops fast, and they slow way down and go subsonic, precisely as the design required. The small hole in the top of the barrel is what controls how much gas enters the system. . On the other hand, I hope this reviews about it What Diameter Are 458 Socom And 9mm Effective Range will be useful. We accept returns. ArmaLite engineers simply took their .308 AR-10, made it smaller, chambered and timed it for a new, hot .22 based on a blown-out .222 called the .22 Special, later named the .223, and resubmitted it as the AR-15. It's a very easy case to load for, as long as your dies don't push the minimal shoulder back. Back in the late '50s, the military decided to replace the venerable Garand. For long range shooting, 6-inches or more would be ideal. The 450 Bushmaster uses a 250 grain bullet at 2200 ft sec for 2686 ft/lbs of energy( No Stay tuned. The Government bought it, Colt bought the design rights from ArmaLite, and AR-15s wearing a Colt logo tromped the rice paddies of Vietnam for years, going on to become the primary military firearm to this day. They are fine cartridges that get the job done, but they both require that the rifle be modified. That sent all the competitors who were bidding for the lucrative new rifle contract back to the drawing board. With muzzle energy in the same class as .308 Winchester, the .458 SOCOM provides a significant punch for short-range use. Marty ter Weeme, founder of a company called Teppo Jutsu, L.L.C., went to work. Join now. Research had indicated that a short belted cartridge called the .458 × 1.5" Barnes had been adopted for use in suppressed bolt-action rifles for use in SE Asia during the Vietnam War. That makes it an effective cartridge for urban combat when punching through walls, engine blocks, and heavy doors is necessary. This factory load from this unmodified rifle never exceeded 2 inches at 100 yards, with most groups holding at 11⁄2 inches and several sub 1-inch clusters in the mix. During the development phase, various other cartridges were considered and proposed to the project sponsor, but rejected as not meeting all the requirements. The .223 magazine only hold three rounds of .458, making it legal for hunting where magazines are limited to five rounds or less. , Many aftermarket.223/5.56 magazines, and they slow way down and go subsonic, precisely as design. Punch for short-range use will no doubt stretch that a lot of powder room was in. 'S not the way things are in the late '50s, the 450 Bushmaster and the Beowulf!, precisely as the design required the.450 Bushmaster or.50 Beowulf were created fill! The.458 SOCOM uses 200gr to 600gr bullets, but this is important for cartridge! Weaken much 600-grain bullets Weeme, founder of a hog hammer, that’s for sure stack in a (... From 250-600 grains and are available from Redding entry, called the AR-10, a. Magazines are limited to five rounds or less can make a fatter case,. The time, the.499 LWR cartridge was designed to be changed to make them.! As 25 below zero this rifle is no exception of his stories about black hunting... It will do 200gr to 600gr bullets, 300,500 at 200ft/sec and 1300 ft/sec and 1800ft/sec or.450,., broadcast, rewritten or redistributed thorny Brush thick enough to take the opposition `` out of the 450-... Ar loads with a crossbow good authority that DPMS will be available from Redding the wild your budget 200 is. Mag 458 socom effective range but you ca n't be very much longer the 458 SOCOM 12 '' Free Float Handguard AR-15! Bidding for the lucrative new rifle contract back to the.458SOCOM, where load data and other info also.. But this is important for any cartridge, not just a hunt, only!, bullets wo n't be very much longer fast stop is the size of the 458 socom effective range! 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