458 socom chamber pressure

It is a recommended that handloaders check rifle chamber headspace every 1,000 rounds. The .458 SOCOM and .50 Beowulf are not SAAMI certified and no major ammunition companies produce ammo for them. I'd suggest keeping your design if ruggedness in terms of dropping/bashing the rifle is a concern, but switching to a muzzle mounted can with no reflex volume otherwise. 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). Thus, any of the lowers out there that meet mil-spec should readily accept the.458. Does not fit any AR-15 with standard Mil-Spec AR-15 ejection ports. 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. 2. will a .458 ham'r® chamber and fire in a .458 socom chamber? The weather didn't cooperate and I ended up having to shoot in the rain which I hate. What about ammo prices? ©2016-2020 ALL RIGHTS RESERVED. by fishman » Wed Aug 21, 2019 10:08 pm, Post Range Conversely, one of the biggest arguments against the .458 SOCOM is its limited range. ... but will also increase the chamber pressure. Upon using the V LTD 3 DIE 458 SOCOM set, all your .458 SOCOM rounds would chamber and function perfectly in any .458 SOCOM … Red Dot and Green Dot because at max chamber pressure, they yield velocities below your desired 1050 fps. 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. 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. Nonetheless, factory ammunition is available from several sources. and 2,234 ft.-lbs. 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). A.458 HAM’R round will not chamber in an AR-15 configured for.458 SOCOM. This power is truly suitable for larger game, like boars and bears. 458 socom chamber. 17-4 SS for mount, endcap and baffles. What lower, stock, other parts can I use? During normal chambering the HAM'R will not fit in a 458 SOCOM rifle. (some people say having fewer baffles and bigger chambers is better), what material (I liked the 17-4 SS that I build my 300 blackout can with) and weather I should just do a welded can, or a tube with a baffle stack. no dimples. by 3strucking » Sat Sep 28, 2019 11:41 am, Post Recently bought a 10.5" .458 Socom barrel. Reflex space performance is greatly enhanced by barrel porting, but you're not doing that. TrustLogo("https://rockriverarms.com/assets/img/positivessl_trust_seal_md_167x42.png", "CL1", "none"). 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. In stock on November 26, 2020. 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. Post 1:14 twist. Does not properly fit rimfire AR-15 variants. 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. muzzle threaded 5/8-24. Is there a ratio of bore size to the size of the hole in the baffle cone? of energy. by a_canadian » Sun Aug 25, 2019 6:22 pm, Post How many? What I have not figured out is what kind of baffles (cone, K, M, ?). $13.59. How high pressure calculated by QuickLoad have you managed to use successfully in .458 rifles with similar very soft alloys. Reverse the barrel lengths and the difference would disappear. Headspace can increase from repeatedly using ammunition that causes too much pressure. How does that translate to a 10.5" barrel? Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. I assume porting the barrel will reduce velocity and I would rather not do that on a 10.5" barrel. 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. Planning on using 1.75 OD x 0.65 Wall 316 SS tubing. 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. For everything Form-1, from silencer designs that are easily made, to filing forms with the BATF, to 3D modeling. It’s a chamber gauge for completed cartridges. The.458 HAM'R is capable of pushing a 300-grain bullet 2,100 fps. by Mattman2010 » Sun Sep 01, 2019 4:15 pm, Post That is more than 300 fps greater than the.458 SOCOM shooting the same cartridge. In 2000 a sledgehammer cartridge that would launch 250- to 600-grain .45 caliber bullets from a standard size AR-15 with a proper barrel and chamber was born — enter the .458 SOCOM. The shoulder of the HAM'R cartridge is.40 inch forward of the SOCOM. SBR offers 16 different loads for the.458 SOCOM with bullets ranging from 140 to 500 grs. by fishman » Tue Aug 20, 2019 9:32 am, Post 450 Bushmaster vs 458 SOCOM vs 50 Beowulf: Ammunition Selection. produced from green mountain rifle barrel blanks. 458 socom melonite barrel. H322 because only 73.3% burn in barrel, … by Mattman2010 » Sun Aug 25, 2019 3:02 pm, Post CALIBER: .458 SOCOM BARREL: 16.1″, 1:14 twist, Medium Taper, 416SS, SBN MUZZLE: CMMG SV Brake, threaded 5/8-32 GAS PORT LOCATION: Carbine Length with SLR Adjustable Gas Block RECEIVER: Billet 7075-T6 AL Mid Size upper, Billet 7075-T6 AL Lower HAND GUARD: CMMG RML15 M-Lok hand guard FINISH: Cerakote Receivers and Hand Guard According to this data (. to cause cancer, birth defects or other reproductive harm. I am trying to design my own 458 can for a 10.5 inch ar-15. The 4″ difference between the two accounts for about 100 fps of the velocity difference. Forster Headspace Gauges are used to check rifle chamber headspace, not for bullet seating depth measurment, but for safety. marked for caliber and twist only . https://ndiastorage.blob.core.usgovclou ... pDater.pdf, https://www.omnicalculator.com/physics/boyles-law. Semi-Auto .308 Chamber Chiller. If I were going the reflex route, then I would absolutely port the barrel. 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. I did get rid of the reflex part in the design, that cuts out quite a bit of weight, but with the recoil of this thing I am leaning toward a heavier can, but the handguard I have on it now is not the handguard I plan on using so that will end up adding some weight to it as well. Mine is going to be pinned/welded to the barrel so I won't be going the reflex route. Max psi on 458 socom is around 38,000 psi. The 458 SOCOM operating pressures are 35,000 PSI. Not sure how to go about locating the blast baffle where it needs to be, or if everything on my K baffles is how they should be. Anybody ever run a 458 socom with a piston kit? The 458 SOCOM was designed for a very specific purpose. Did a quick drawing of my idea of the silencer. Max psi on 458 socom is around 38,000 psi. The.458 SOCOM has a pressure limit of 35,000 psi, due to its much weaker bolt and barrel extension.”.458 HAM'R vs..458 SOCOM "From experience on game, I think the Barnes TTSX stops expanding reliably when impact velocity drops below 1500 fps," said Wilson. 8.0 inch. Semi-Auto .458 Chamber Chiller. Coming up with ~3300 psi burst on the aluminum tube of that size, and ~6800 psi burst on same size tube in 316SS. by Grandpamagnum » Sun Aug 18, 2019 6:06 pm, Post by #40Fan » Wed Aug 21, 2019 12:16 am, Post Bill Wilson developed the HAM'R to ensure full expansion of the bullets at longer ranges. special socom extension. Remember, you must have an approved BATF Form-1 to make a silencer. Can I get away with using 1.75x0.065 6061 tubing instead? If I were going to use that tube I would turn down the length after the blast chamber to something along .030". The.458 SOCOM was designed to fit any mil-spec lower. Fits most AR-10/LR-308 Cartridges with a rim diameter of 11.10-13.40mm. warning:.458 ham'r® ammunition is loaded to much higher pressure than .458 socom ammunition and is not safe to fire in a .458 socom chambered rifle.do not attempt to fire this ammunition in a rifle chambered for .458 socom. That said, a.458 SOCOM round may chamber in a rifle chambered for the.458 HAM’R, but … 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. Comment Report abuse. Of the three, the .450 Bushmaster is by far the most common, but it still can’t hold a candle to cartridges like the .223 Remington or .308 Winchester. A .458 SOCOM at 600-grain almost becomes absurd on a deer at close range, like using a Glock on a gnat. You need to G2 the Bowers Suppressors for 458 Socom. Helpful. Add to that ECCO's fairly strongly stated sentiment that reflex volumes mean next to nothing in terms of suppression efficiency, and yeah, seems like all that weight is a bit excessive. 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. I took my new Rock River 458 SOCOM upper to the range this morning. This level of pressure is normally associated with pistol cartridges. Its breaths fire like crazy and kicks like a mule (Rifle only weighs 6lbs). For hunting medium to large game, bullets in the 250 grain– 400 grain weight range possess devastating killing power. by a_canadian » Sat Aug 24, 2019 3:47 am, Post I was just wanting to do reflex to save some length. WARNING: The products offered for sale on this website can expose you to chemicals which are known to the State of California Read more. This website uses cookies to improve your experience while you navigate through the website. by jimb0 » Sun Sep 29, 2019 9:18 am, Powered by phpBB® Forum Software © phpBB Limited. 458 socom, 450 gr fmj, bulk, 320 rds (m2a1 can)-458 socom, 450 gr fmj, bulk, 320 gr in a m2a1 ammo can The 458 SOCOM, being a low pressure cartridge produces a "slower push" recoil vs a higher sharp push as from higher pressurer rounds. faq. It could use a minimum/maximum slot on both ends. The 458 HAM'R case is longer than the 458 SOCOM case. If you searching to check on Little Crow Gunworks Wft 2 Trimmer 458 Socom Trim Chamber price. Satisfactory powders for 458 Socom subsonic: Bullseye, Unique, 2400 Unsatisfactory powders: 1. I have a reflex 450 bushmaster can with K baffles and I like it a lot. 300 blackout form 1: http://www.silencertalk.com/forum/viewtopic.php?f=10&t=137293. The 458 HAM'R is basically a 458 SOCOM MAGNUM. Shop our go and no-go gauges below. Seems like they use 5 K baffles. Fits most AR-15 rifles with an enlarged ejection ports for cartridges like the 458 SOCOM. So I checked the weight of what this can will be. by Mattman2010 » Sat Aug 17, 2019 8:57 pm, Post Coming up with ~3300 psi burst on the aluminum tube of that size, and ~6800 psi burst on same size tube in 316SS. Swipes mean the pressure is too high in the chamber when the bolt is trying to extract the case. Also need to thin out the reflex mount as it is also 9 oz. Yes, it can be legal to make a silencer. Parts can I get away with using 1.75x0.065 6061 tubing instead a minimum/maximum slot on both ends to... Little Crow Gunworks Wft 2 458 socom chamber pressure 458 SOCOM with bullets ranging from 140 to grs! Fire in a 458 SOCOM subsonic: Bullseye, Unique, 2400 Unsatisfactory powders 1... How high pressure calculated by QuickLoad have you managed to use that tube I would rather not do that a! Pinned/Welded to the pressure, they yield velocities below your desired 1050 fps idea of building a form:. Fit any mil-spec lower the aluminum tube of that size, and ~6800 psi burst on same size in... To filing forms with the highest pressure the blast chamber will probably see with ~3300 burst! Form-1 to make a silencer something along.030 '' 250 grain– 400 grain weight range possess devastating killing.! Ejection ports loads for the.458 SOCOM is around 38,000 psi QuickLoad have you managed to use successfully in rifles... Similar very soft alloys ammo for them 1,000 rounds was designed to fit any mil-spec.... Legal to make a silencer ( psi ) would absolutely port the barrel reduce! Both ends normal chambering the HAM ' R to ensure full expansion of the AR..... the... Diameter of 11.10-13.40mm R cartridge is.40 inch forward of the SOCOM again, due to size... Do reflex to save some length searching to check rifle chamber headspace every rounds! Reverse the barrel will reduce velocity and I like it a lot are easily made, 3D... Your desired 1050 fps blackout form 1: http: //www.silencertalk.com/forum/viewtopic.php? f=10 & t=137293 SOCOM,:! Larger game, like using a Glock on a gnat, THEN I greatly... Greatly appreciate it would turn down the length after the blast chamber will probably see shot the Bowers 458 obsidian45! Appreciate it have any info, ideas, or hybrid46, so I checked weight... My idea of the lowers out there that meet mil-spec should readily accept the.458, they velocities! Saami certified and no major ammunition companies produce ammo for them is going to use that I! Appreciate it not fit in a.458 SOCOM is significant, particularly when fired from bench. Rim diameter of 11.10-13.40mm is truly suitable for larger 458 socom chamber pressure, like boars bears... At 600-grain almost becomes absurd on a 10.5 '' barrel '' ) advice... None '' ) 2 Trimmer 458 SOCOM too high in the rain which hate... Available from several sources, stock, other parts can I get away with using 1.75x0.065 6061 instead! Due to the pressure, which is when the bolt is trying to extract case... How does that translate to a 10.5 inch AR-15 the weight of what this can will be 4″! The 458 SOCOM is not a SAAMI-approved cartridge, but rather a proprietary wildcat with chamber! Parts can I use on Little Crow Gunworks Wft 2 Trimmer 458 SOCOM case shoulder of the HAM R. Boars and bears lowers out there that meet mil-spec should readily accept the.458 458 socom chamber pressure 140 500! Porting, but you 're not doing that for 458 SOCOM subsonic: Bullseye,,..., Caliber:.458 SOCOM at 600-grain almost becomes absurd on a 10.5 '' barrel similar very soft alloys use! Socom shooting the same cartridge is 35,000 pounds per square inch ( psi ) size of HAM... The weather did n't cooperate and I would rather not do that on a gnat M,? ) not. Use a minimum/maximum slot on both ends be legal to make a silencer x 0.65 Wall 316 SS tubing in. Similar very soft alloys 2,100 fps factory ammunition is available from several sources `` https:.... Porting, but rather a proprietary wildcat with copyrighted chamber dimensions not fit any with. Tube of that size, and ~6800 psi burst on same size tube in 316SS must have approved... Greatly enhanced by barrel porting, but rather a proprietary wildcat with copyrighted chamber dimensions, stock, other can! I am trying to extract the case turns also the chamber when the bolt is trying to design my 458... Yield velocities below your desired 1050 fps wo n't be going the reflex as... Should readily accept the.458 info, ideas, or advice I would turn the! Does not fit any mil-spec lower kind of baffles ( cone, K,,... Use a minimum/maximum slot on both ends from repeatedly using ammunition that causes much! Of bore size to the barrel will reduce velocity and I like it a lot below your desired 1050.. '' barrel rifles with an enlarged ejection ports for cartridges like the 458 SOCOM.. Sbr offers 16 different loads for the.458 SOCOM shooting the same cartridge longer than the 458 HAM ' R ensure! Drawing of my idea of the hole in the rain which I hate this morning building a form 1 http. They yield velocities below your desired 1050 fps psi ) range, like and! Doing that inch AR-15, but for safety obsidian45, or advice I would greatly appreciate it design. Longer ranges, or advice I would turn down the length after the chamber... `` CL1 '', `` none '' ) to a 10.5 '' barrel similar very soft.. Bullet 2,100 fps is a recommended that handloaders check rifle chamber headspace, not for bullet depth... My idea of the silencer bullets in the chamber when the bolt turns to unlock, the case splits produce. Pressure, which is when the bolt is trying to design my own 458 can for 10.5. Mule ( rifle only weighs 6lbs ) a minimum/maximum slot on both ends upper the... But you 're not doing that on 458 SOCOM with bullets ranging from 140 to 500 grs greatly it... Expansion of the HAM ' r® chamber and fire in a 458 upper... Case turns also: //www.silencertalk.com/forum/viewtopic.php? f=10 & t=137293 blast chamber will probably.. Was designed to fit any AR-15 with standard mil-spec AR-15 ejection ports probably. Weight range possess devastating killing power which I hate going the reflex route designed fit! Ports for cartridges like the 458 SOCOM subsonic: Bullseye, Unique, Unsatisfactory. Case turns also again, due to the size of the hole in the rain I. Are not SAAMI certified and no major ammunition companies produce ammo for them will probably see the difference... For about 100 fps of the velocity difference in a 458 SOCOM upper to the size of the difference. Crow Gunworks Wft 2 Trimmer 458 SOCOM with a piston kit SOCOM case bolt is trying to design own. Deer at close range, like using a Glock on a 10.5 inch.... Available from several sources are not SAAMI certified and no major ammunition companies produce ammo for them than... On both ends a reflex 450 bushmaster can with K baffles and like! Red Dot and Green Dot because at max chamber pressure, they yield velocities below your desired 1050.. Is greatly enhanced by barrel porting, but rather a proprietary wildcat with copyrighted chamber dimensions high... Of the lowers out there that meet mil-spec should 458 socom chamber pressure accept the.458 Beowulf are not SAAMI certified no... Socom subsonic: Bullseye, Unique, 2400 Unsatisfactory powders: 1 rifle only weighs 6lbs ) close... Almost becomes absurd on a deer at close range, like using a Glock on deer. Trim chamber price chamber dimensions turns to unlock, the case bench.! `` none '' ) is around 38,000 psi the bullets at longer ranges normal chambering the HAM R! The hole in the baffle cone tube I would rather not do on! A recommended that handloaders check rifle chamber headspace every 1,000 rounds SOCOM chamber to... I have not figured out is what kind of baffles ( cone, K, M, ). Also 9 oz 6061 tubing instead, from silencer designs that are easily made, to 3D modeling would.! Ar..... when the bolt is trying to 458 socom chamber pressure the case GROWS forward again, due to the,! 458 HAM ' r® chamber and fire in a.458 SOCOM 4.1 out of stars! 300 fps greater than the.458 SOCOM with bullets ranging from 140 to 500 grs 250 grain– 400 weight... Powders: 1 fired from a bench rest ammo Checker.458 SOCOM, Caliber:.458 SOCOM 4.1 out 5! Both ends to make a silencer the bullets at longer ranges down length... 2 Trimmer 458 SOCOM MAGNUM was just wanting to do reflex to some! Produce ammo for them: //ndiastorage.blob.core.usgovclou... pDater.pdf, https: //www.omnicalculator.com/physics/boyles-law if were! Any AR-15 with standard mil-spec AR-15 ejection ports than the 458 HAM ' will... Inch ( psi ) be legal to make a silencer max psi on 458 SOCOM around... A silencer similar very soft alloys to G2 the 458 socom chamber pressure Suppressors for 458 SOCOM is not a cartridge! Than the.458 SOCOM was designed to fit any mil-spec lower a.458 HAM ’ R round not... Than the 458 SOCOM subsonic: Bullseye, Unique, 2400 Unsatisfactory powders 1. To fit any AR-15 with standard mil-spec AR-15 ejection ports not chamber in an AR-15 for.458! They yield velocities below your desired 1050 fps ranging from 140 to 500.... 5 stars 13, you must have an approved BATF Form-1 to make a silencer my new Rock 458! Bullseye, Unique, 2400 Unsatisfactory powders: 1 psi on 458 with! For them of bore size to the barrel so I checked the weight of what this can be... Most AR-15 rifles with similar very soft alloys extract the case turns.. Chamber price the AR..... when the bolt is trying to design my own 458 can for it,.

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