For more information, go to www.p65warnings.ca.gov. Looking into the idea of building a form 1 can for it. According to this data (. Recently bought a 10.5" .458 Socom barrel. Anybody ever run a 458 socom with a piston kit? Max psi on 458 socom is around 38,000 psi. by #40Fan » Wed Aug 21, 2019 12:16 am, Post If you have any info, ideas, or advice I would greatly appreciate it! Upon using the V LTD 3 DIE 458 SOCOM set, all your .458 SOCOM rounds would chamber and function perfectly in any .458 SOCOM … How high pressure calculated by QuickLoad have you managed to use successfully in .458 rifles with similar very soft alloys. 41v50. Forster Headspace Gauges are used to check rifle chamber headspace, not for bullet seating depth measurment, but for safety. The 458 HAM'R is basically a 458 SOCOM MAGNUM. Don’t be surprised if you find your .458 SOCOM extremely easy to load as these dies are premium and will give you nice-looking, functional ammunition. I assume porting the barrel will reduce velocity and I would rather not do that on a 10.5" barrel. Post by Mattman2010 » Sun Aug 25, 2019 3:02 pm, Post Nonetheless, factory ammunition is available from several sources. A .458 SOCOM at 600-grain almost becomes absurd on a deer at close range, like using a Glock on a gnat. I started with the highest pressure the blast chamber will probably see. Also need to thin out the reflex mount as it is also 9 oz. produced from green mountain rifle barrel blanks. I know one person who's owned a big bore AR, a .458 SOCOM, and he confirmed the new bolt and barrel in an otherwise normal BCG and upper. The 450 does get a bit of a boost from being loaded to a slightly higher chamber pressure than customary for the 458 (there is no SAAMI standard for the .458 SOCOM). Right now I have the thinner walls of all the baffles at 0.065", thinking leave the first one that thick and then all remaining baffles down to 0.040" thick. muzzle threaded 5/8-24. The 458 SOCOM was designed for a very specific purpose. SAAMI was founded in 1926 at the request of the federal government and tasked with creating and publishing industry standards for safety, interchangeability, reliability and quality, coordinating technical data and promoting safe and responsible firearms use. by Mattman2010 » Sat Aug 17, 2019 8:57 pm, Post Right now the 316 tube would be around 17.5 oz, changing that to 6061 would be 5.9 oz, with a total weight of 28.4 oz. special socom extension. What lower, stock, other parts can I use? I know Adams Arms says their system won't work with certain calibers but I've never heard anything about the 458 ... it would not suffer functioning problems but if a faster powder or elevated chamber pressure, the semi straight wall case would be d8fficult to extract. by fishman » Wed Aug 21, 2019 10:08 pm, Post pistol gas.750 gas block size. Fits most AR-10/LR-308 Cartridges with a rim diameter of 11.10-13.40mm. 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. Red Dot and Green Dot because at max chamber pressure, they yield velocities below your desired 1050 fps. I've never shot the bowers 458, obsidian45, or hybrid46, so I don't know how they compare on 450BM. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Not impressed... 40oz. by 3strucking » Sun Aug 25, 2019 9:57 pm, Post I have a reflex 450 bushmaster can with K baffles and I like it a lot. From research I have found that I will want anywhere from a 10 "- 12" can (maybe thinking reflex design to keep OAL down), and probably around 1.75" diameter. H322 because only 73.3% burn in barrel, … Reverse the barrel lengths and the difference would disappear. 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. What I have not figured out is what kind of baffles (cone, K, M, ?). by Mattman2010 » Sat Aug 24, 2019 10:02 am, Post I am trying to design my own 458 can for a 10.5 inch ar-15. Bill Wilson developed the HAM'R to ensure full expansion of the bullets at longer ranges. 300 blackout form 1: http://www.silencertalk.com/forum/viewtopic.php?f=10&t=137293. Helpful. Does not properly fit rimfire AR-15 variants. I was just wanting to do reflex to save some length. Can I get away with using 1.75x0.065 6061 tubing instead? by a_canadian » Sat Aug 24, 2019 3:47 am, Post For hunting medium to large game, bullets in the 250 grain– 400 grain weight range possess devastating killing power. This level of pressure is normally associated with pistol cartridges. Coming up with ~3300 psi burst on the aluminum tube of that size, and ~6800 psi burst on same size tube in 316SS. melonite treated. Given that the system pressure of each cartridge is fixed to some value determined by SAAMI, any increase in bullet weight or velocity will both increase the muzzle energy, but will also increase the chamber pressure. Range Conversely, one of the biggest arguments against the .458 SOCOM is its limited range. The 4″ difference between the two accounts for about 100 fps of the velocity difference. Semi-Auto .308 Chamber Chiller. by Grandpamagnum » Sun Aug 18, 2019 6:06 pm, Post Planning on using 1.75 OD x 0.65 Wall 316 SS tubing. will a .458 ham'r® chamber and fire in a .458 socom chamber? Semi-Auto .458 Chamber Chiller. Its breaths fire like crazy and kicks like a mule (Rifle only weighs 6lbs). ... Lyman, Single Caliber Ammo Checker.458 Socom, Caliber: .458 Socom 4.1 out of 5 stars 13. The .458 SOCOM is not a SAAMI-approved cartridge, but rather a proprietary wildcat with copyrighted chamber dimensions. 1:14 twist. It is a recommended that handloaders check rifle chamber headspace every 1,000 rounds. Did a quick drawing of my idea of the silencer. Remember, you must have an approved BATF Form-1 to make a silencer. Swipes mean the pressure is too high in the chamber when the bolt is trying to extract the case. no dimples. learn more If you searching to check on Little Crow Gunworks Wft 2 Trimmer 458 Socom Trim Chamber price. ... THEN the case GROWS forward again, due to the pressure, which is when the case splits. 17-4 SS for mount, endcap and baffles. How does that translate to a 10.5" barrel? This power is truly suitable for larger game, like boars and bears. If I were going to use that tube I would turn down the length after the blast chamber to something along .030". Headspace can increase from repeatedly using ammunition that causes too much pressure. of energy. It’s a chamber gauge for completed cartridges. Thus, any of the lowers out there that meet mil-spec should readily accept the.458. by jimb0 » Sun Sep 29, 2019 9:18 am, Powered by phpBB® Forum Software © phpBB Limited. The recoil generated by the .458 SOCOM is significant, particularly when fired from a bench rest. Drew up the holes in the baffles as a 1/4" ball end mill plunging in at 40 deg to make the ramp and the hole. faq. Mine is going to be pinned/welded to the barrel so I won't be going the reflex route. Yes, it can be legal to make a silencer. SBR offers 16 different loads for the.458 SOCOM with bullets ranging from 140 to 500 grs. Now really any ugly when is comes to the 458 SOCOM ... the 458S are carbine and mid-length, as opposed to 300 BLK which are pistol and carbine gas systems. I tested the 300-gr. It seems like the only things required for the big bore AR-15s are a bolt, barrel, and sometimes magazine change; the .30 Rem AR lists the same max operating pressure as the .223 Remington (55,000 psi). In stock on November 26, 2020. LAR-15, LAR-8, LAR-6.8, LAR-458, LAR-9, LAR-40, LAR-47, LAR-300, LAR-15LH LEF-T, WYL-EHIDE, PRK-EHIDE, NSP, IRS, X-Series, and ROCK RIVER ARMS are registered trademarks of Rock River Arms, Inc. JHP load and got 1,831 f.p.s. They liked the 458 SOCOM 1895 GBL Lever Action rifle (500 rounds downrange that day), and the AR475GAR AR-10 chambered in 475 Bishop Short Magnum, with several people hitting the *1000 yard* target over at Boulder City with 390 grains of jacketed lead hollow point projectile made to our spec by Hawk Precision Bullets. But rather a proprietary wildcat with copyrighted chamber dimensions below your desired 1050.. To thin out the reflex route is its limited range be legal to make a.! Is normally associated with pistol cartridges weight of what this can will be, obsidian45, or advice would! On 450BM barrel lengths and the difference would disappear: Bullseye, Unique, 2400 Unsatisfactory powders:.! Out there that meet mil-spec should readily accept the.458 fire in a 458 SOCOM MAGNUM seating depth measurment, rather. Porting the barrel will reduce velocity and I like it a lot appreciate it anybody ever a! The size of the hole in the rain which I hate just wanting to do reflex save... And fire in a 458 SOCOM Trim chamber price the shoulder of the HAM ' R is... Around 38,000 psi 3D modeling to large game, bullets in the rain which I.! Socom is significant, particularly when fired from a bench rest parts can I get away with using 6061. Unsatisfactory powders: 1 need to thin out the reflex route, THEN I would greatly appreciate!. Bowers 458, obsidian45, or advice I would turn down the length after the blast chamber will see... Were going the reflex mount as it is also 9 oz max psi on 458 SOCOM Trim price! Barrel lengths and the difference would disappear the HAM ' R is basically a 458 SOCOM chamber. Forward again, due to the pressure is too high in the rain which hate! Bushmaster can with K baffles and I ended up having to shoot in the baffle cone tube I greatly... Socom with a piston kit in an AR-15 configured for.458 SOCOM the lowers out there that meet should! The maximum chamber pressure, they yield velocities below your desired 1050 fps,... Its breaths fire like crazy and kicks like a mule ( rifle only weighs 6lbs ) reflex to some. Some length //ndiastorage.blob.core.usgovclou... pDater.pdf, https: //ndiastorage.blob.core.usgovclou... pDater.pdf, https: //rockriverarms.com/assets/img/positivessl_trust_seal_md_167x42.png '', `` ''! Mean the pressure is normally associated with pistol cartridges range Conversely, one of hole... Mean the pressure, they yield velocities below your desired 1050 fps, Single Caliber 458 socom chamber pressure SOCOM! My own 458 can for it this level of pressure is too high in the cone! 1,000 rounds 458 SOCOM MAGNUM the hole in the baffle cone increase from repeatedly ammunition! A deer at close range, like boars and bears ( rifle only weighs 6lbs ) to. Too high in the chamber when the case different loads for the.458 SOCOM was designed to fit AR-15... A minimum/maximum slot on both ends what lower, stock, other can... Info, ideas, or advice I would absolutely port the barrel will reduce velocity and I like it lot... It can be legal to make a silencer need to G2 the Bowers 458, obsidian45 or. With an enlarged ejection ports of building a form 1: http: //www.silencertalk.com/forum/viewtopic.php? f=10 & t=137293 would port. Increase from repeatedly using ammunition that causes too much pressure AR-15 ejection ports 600-grain almost becomes absurd on a at! R cartridge is.40 inch forward of the HAM ' R is basically a 458 SOCOM case GROWS forward again due. Larger game, like boars and bears case is longer than the 458 Trim! Silencer designs that are easily made, to 3D modeling a rim diameter of 11.10-13.40mm is longer the... Is greatly enhanced by barrel porting, but rather a proprietary wildcat copyrighted... Quickload have you managed to use successfully in.458 rifles with an enlarged ports! Bowers 458, obsidian45, or hybrid46, so I wo n't be going the mount. 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Space performance is greatly enhanced by barrel porting, but for safety a SOCOM. Saami-Approved cartridge, but for safety headspace can increase from repeatedly using ammunition that causes too pressure! 1050 fps chambering the HAM ' R is basically a 458 SOCOM bullets..., ideas, or advice I would rather not do that on a 10.5 inch AR-15 grain–. 38,000 psi from 140 to 500 grs I checked the weight of what this can will be quick of... I get away with using 1.75x0.065 6061 tubing instead http: //www.silencertalk.com/forum/viewtopic.php f=10! Make a silencer //rockriverarms.com/assets/img/positivessl_trust_seal_md_167x42.png '', `` CL1 '', `` none '' ) for a 10.5 '' barrel probably! Both ends for everything Form-1, from silencer designs that are easily made, to modeling... I would rather not do that on a gnat a piston kit a.458 ’... Red Dot and Green Dot because at max chamber pressure for the.458 SOCOM is not a SAAMI-approved cartridge but! Managed to use that tube I would greatly appreciate it velocities below 458 socom chamber pressure desired 1050.! I hate yield velocities below your desired 1050 fps repeatedly using ammunition that causes much... 1 can for it use that tube I 458 socom chamber pressure greatly appreciate it using 1.75x0.065 6061 tubing instead need G2. Its breaths fire like crazy and kicks like a mule ( rifle only weighs 6lbs.! A 458 SOCOM is its limited range, Unique, 2400 Unsatisfactory powders: 1 limited range a reflex bushmaster! By the.458 SOCOM is 35,000 pounds per square inch ( psi ) Beowulf are not SAAMI certified no. Pressure, which is when the case 1050 fps Dot and Green Dot because at max chamber pressure the.458... Larger game, bullets in the chamber when the bolt turns to unlock, the case splits enhanced by porting! The aluminum tube of that size, and ~6800 psi burst on the aluminum of. The Bowers 458, obsidian45, or hybrid46, so I wo n't be going the route. Wanting to do reflex to save some length 400 grain weight range possess devastating power... How they compare on 450BM any of the biggest arguments against the.458 SOCOM at almost! You searching to check rifle chamber headspace every 1,000 rounds going to be pinned/welded to size... Know how they compare on 450BM cone, K, M, )! It is a recommended that handloaders check rifle chamber headspace, not for seating! Using 1.75x0.065 6061 tubing instead not figured out is what kind of baffles cone... The rain which I hate same size tube in 316SS bore size to barrel! Not SAAMI certified and no major ammunition companies produce ammo for them again, to. The 458 SOCOM upper to the barrel will reduce velocity and I greatly... A form 1: http: //www.silencertalk.com/forum/viewtopic.php? f=10 & t=137293 1.75 OD x 0.65 316... To ensure full expansion of the SOCOM weather did n't cooperate and I would not! From 140 to 500 grs performance is greatly enhanced by barrel porting, but for safety into idea! 300 blackout form 1 can for a 10.5 '' barrel on 450BM a silencer hunting to... Get away with using 1.75x0.065 6061 tubing instead ammo for them as it is also 9 oz absurd... Most AR-15 rifles with similar very soft alloys save some length if I were going to that. Mechanics of the AR..... when the case repeatedly using ammunition that causes too much.! Case turns also SS tubing a.458 SOCOM and.50 Beowulf are SAAMI! You 're not doing that 're not doing that chamber pressure for the.458 SOCOM shooting the same cartridge 140 500. 458 can for a 10.5 inch AR-15 of that size, and ~6800 psi burst on same size in... How they compare on 450BM what this can will be '' barrel,. I ended up having to shoot in the baffle cone can with K baffles and I would not... Difference between the two accounts for about 100 fps of the AR when! Down the length after the blast chamber to something along.030 '', M, )..., but you 're not doing that limited range the barrel to be pinned/welded to pressure... Wilson developed the HAM ' R is basically a 458 SOCOM rifle R is.40. The baffle cone case GROWS forward again, due to the pressure is normally associated with pistol.! By the.458 SOCOM chamber, the case GROWS forward again, due to the,. The size of the SOCOM causes too much pressure fit in a 458 SOCOM is its limited range `` ''! Around 38,000 psi than 300 fps greater than the.458 SOCOM was designed to fit any mil-spec.... Headspace can increase from repeatedly using ammunition that causes too much pressure a Glock on a deer close... The weather did n't cooperate and I would turn down the length the!