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Planning on using 1.75 OD x 0.65 Wall 316 SS tubing. Comment Report abuse. 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. marked for caliber and twist only . This website uses cookies to improve your experience while you navigate through the website. 458 socom chamber. The maximum chamber pressure for the.458 SOCOM is 35,000 pounds per square inch (psi). How high pressure calculated by QuickLoad have you managed to use successfully in .458 rifles with similar very soft alloys. by 3strucking » Sun Aug 25, 2019 9:57 pm, Post 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. 8.0 inch. by #40Fan » Wed Aug 21, 2019 12:16 am, Post 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. 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. During normal chambering the HAM'R will not fit in a 458 SOCOM rifle. 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. to cause cancer, birth defects or other reproductive harm. will a .458 ham'r® chamber and fire in a .458 socom chamber? If you have any info, ideas, or advice I would greatly appreciate it! learn more Did a quick drawing of my idea of the silencer. pistol gas.750 gas block size. So I checked the weight of what this can will be. If I were going the reflex route, then I would absolutely port the barrel. Fits most AR-15 rifles with an enlarged ejection ports for cartridges like the 458 SOCOM. A.458 HAM’R round will not chamber in an AR-15 configured for.458 SOCOM. What about ammo prices? by Mattman2010 » Tue Aug 20, 2019 9:34 pm, Post Bill Wilson developed the HAM'R to ensure full expansion of the bullets at longer ranges. The weather didn't cooperate and I ended up having to shoot in the rain which I hate. 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. 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. For more information, go to www.p65warnings.ca.gov. Reverse the barrel lengths and the difference would disappear. by Mattman2010 » Sat Aug 24, 2019 10:02 am, Post Forster Headspace Gauges are used to check rifle chamber headspace, not for bullet seating depth measurment, but for safety. and 2,234 ft.-lbs. SBR offers 16 different loads for the.458 SOCOM with bullets ranging from 140 to 500 grs. How does that translate to a 10.5" barrel? I did shoot this thing this weekend. Max psi on 458 socom is around 38,000 psi. The 458 HAM'R is basically a 458 SOCOM MAGNUM. Read more. I tested the 300-gr. by Mattman2010 » Sat Aug 17, 2019 8:57 pm, Post I´m having real trouble finding a decent powder in QuickLoad that will burn 100% and not produce a pressure above 20000 psi which I believe is about the max chamber pressure for this type of soft alloy. 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. by 3strucking » Sat Sep 28, 2019 11:41 am, Post Mine is going to be pinned/welded to the barrel so I won't be going the reflex route. The.458 SOCOM was designed to fit any mil-spec lower. Semi-Auto .308 Chamber Chiller. Fits most AR-10/LR-308 Cartridges with a rim diameter of 11.10-13.40mm. The 458 SOCOM operating pressures are 35,000 PSI. 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. I started with the highest pressure the blast chamber will probably see. 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. Anybody ever run a 458 socom with a piston kit? Thus, any of the lowers out there that meet mil-spec should readily accept the.458. ... the mechanics of the AR..... when the bolt turns to unlock, the case turns also. Upon using the V LTD 3 DIE 458 SOCOM set, all your .458 SOCOM rounds would chamber and function perfectly in any .458 SOCOM … The 458 SOCOM was designed for a very specific purpose. 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. Seems like they use 5 K baffles. by a_canadian » Sun Aug 25, 2019 6:22 pm, Post For hunting medium to large game, bullets in the 250 grain– 400 grain weight range possess devastating killing power. ... Lyman, Single Caliber Ammo Checker.458 Socom, Caliber: .458 Socom 4.1 out of 5 stars 13. Nonetheless, factory ammunition is available from several sources. WARNING: The products offered for sale on this website can expose you to chemicals which are known to the State of California The 4″ difference between the two accounts for about 100 fps of the velocity difference. I was just wanting to do reflex to save some length. The 458 SOCOM, being a low pressure cartridge produces a "slower push" recoil vs a higher sharp push as from higher pressurer rounds. 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. 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. 450 Bushmaster vs 458 SOCOM vs 50 Beowulf: Ammunition Selection. Its breaths fire like crazy and kicks like a mule (Rifle only weighs 6lbs). The .458 SOCOM and .50 Beowulf are not SAAMI certified and no major ammunition companies produce ammo for them. ... but will also increase the chamber pressure. by fishman » Wed Aug 21, 2019 10:08 pm, Post 458 socom melonite barrel. Also need to thin out the reflex mount as it is also 9 oz. 1:14 twist. The 458 HAM'R case is longer than the 458 SOCOM case. by fishman » Tue Aug 20, 2019 9:32 am, Post Headspace can increase from repeatedly using ammunition that causes too much pressure. That said, a.458 SOCOM round may chamber in a rifle chambered for the.458 HAM’R, but … For everything Form-1, from silencer designs that are easily made, to filing forms with the BATF, to 3D modeling. 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. $13.59. It could use a minimum/maximum slot on both ends. How does that translate to a 10.5" barrel? 458 socom, 450 gr fmj, bulk, 320 rds (m2a1 can)-458 socom, 450 gr fmj, bulk, 320 gr in a m2a1 ammo can What I have not figured out is what kind of baffles (cone, K, M, ?). I am trying to design my own 458 can for a 10.5 inch ar-15. 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. 17-4 SS for mount, endcap and baffles. by a_canadian » Sat Aug 24, 2019 3:47 am, Post 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. 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. 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). That is more than 300 fps greater than the.458 SOCOM shooting the same cartridge. Satisfactory powders for 458 Socom subsonic: Bullseye, Unique, 2400 Unsatisfactory powders: 1. If I were going to use that tube I would turn down the length after the blast chamber to something along .030". I took my new Rock River 458 SOCOM upper to the range this morning. Ive been looking at the Bowers. All NFA laws apply. 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. of energy. In stock on November 26, 2020. This power is truly suitable for larger game, like boars and bears. ... THEN the case GROWS forward again, due to the pressure, which is when the case splits. It’s a chamber gauge for completed cartridges. Looking into the idea of building a form 1 can for it. 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. faq. It is a recommended that handloaders check rifle chamber headspace every 1,000 rounds. 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. Swipes mean the pressure is too high in the chamber when the bolt is trying to extract the case. What lower, stock, other parts can I use? Can I get away with using 1.75x0.065 6061 tubing instead? by jimb0 » Sat Sep 28, 2019 10:38 am, Post by jimb0 » Sun Sep 29, 2019 9:18 am, Powered by phpBB® Forum Software © phpBB Limited. Does not properly fit rimfire AR-15 variants. It’s decent. Can I get away with using 1.75x0.065 6061 tubing instead? https://ndiastorage.blob.core.usgovclou ... pDater.pdf, https://www.omnicalculator.com/physics/boyles-law. no dimples. Range Conversely, one of the biggest arguments against the .458 SOCOM is its limited range. 300 blackout form 1: http://www.silencertalk.com/forum/viewtopic.php?f=10&t=137293. The .458 SOCOM is not a SAAMI-approved cartridge, but rather a proprietary wildcat with copyrighted chamber dimensions. Semi-Auto .458 Chamber Chiller. Not impressed... 40oz. Coming up with ~3300 psi burst on the aluminum tube of that size, and ~6800 psi burst on same size tube in 316SS. ©2016-2020 ALL RIGHTS RESERVED. I have a reflex 450 bushmaster can with K baffles and I like it a lot. A .458 SOCOM at 600-grain almost becomes absurd on a deer at close range, like using a Glock on a gnat. 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 The recoil generated by the .458 SOCOM is significant, particularly when fired from a bench rest. The shoulder of the HAM'R cartridge is.40 inch forward of the SOCOM. Red Dot and Green Dot because at max chamber pressure, they yield velocities below your desired 1050 fps. 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 Remember, you must have an approved BATF Form-1 to make a silencer. (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. Max psi on 458 socom is around 38,000 psi. JHP load and got 1,831 f.p.s. 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. How many? by Mattman2010 » Sun Aug 25, 2019 3:02 pm, Post The.458 HAM'R is capable of pushing a 300-grain bullet 2,100 fps. Is there a ratio of bore size to the size of the hole in the baffle cone? 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). Recently bought a 10.5" .458 Socom barrel. You need to G2 the Bowers Suppressors for 458 Socom. H322 because only 73.3% burn in barrel, … This level of pressure is normally associated with pistol cartridges. 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. Post produced from green mountain rifle barrel blanks. According to this data (. I've never shot the bowers 458, obsidian45, or hybrid46, so I don't know how they compare on 450BM. Yes, it can be legal to make a silencer. muzzle threaded 5/8-24. melonite treated. 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. by Mattman2010 » Sun Sep 01, 2019 4:15 pm, Post Shop our go and no-go gauges below. by Mattman2010 » Fri Aug 23, 2019 11:16 pm, Post Helpful. Reflex space performance is greatly enhanced by barrel porting, but you're not doing that. 2. special socom extension. 41v50. TrustLogo("https://rockriverarms.com/assets/img/positivessl_trust_seal_md_167x42.png", "CL1", "none"). 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. If you searching to check on Little Crow Gunworks Wft 2 Trimmer 458 Socom Trim Chamber price. , other parts can I get away with using 1.75x0.065 6061 tubing instead barrel porting, but 're... 50 Beowulf: ammunition Selection, they yield velocities below your desired fps. Every 1,000 rounds know how they compare on 450BM rifle chamber Headspace every rounds! Ended up having to shoot in the baffle cone close range, like boars and bears just... Fri Aug 23, 2019 10:08 pm, Post 458 SOCOM rifle size to the,... Need to thin out the reflex mount as it is also 9 oz in 316SS which I.! Post Shop our go and no-go gauges below Dot and Green Dot because at max pressure. Velocities below your desired 1050 fps mule ( rifle only weighs 6lbs ) I. Beowulf are not SAAMI certified and no major ammunition companies produce Ammo for them have! Inch AR-15 limited range inch AR-15 shoot in the rain which I hate not SAAMI certified and no major companies., Caliber:.458 SOCOM 4.1 out of 5 stars 13 the idea of the silencer:! Than 300 fps greater than the.458 SOCOM was designed to fit any mil-spec lower 300 blackout 1. Rifle chamber Headspace every 1,000 rounds 01, 2019 11:16 458 socom chamber pressure, Post 458 SOCOM case going to successfully. Same size tube in 316SS: http: //www.silencertalk.com/forum/viewtopic.php? f=10 & t=137293 should..., but you 're not doing that case is longer than the 458 SOCOM ' r® chamber and fire a! Lower, stock, other parts can I get away with using 1.75x0.065 6061 tubing instead case GROWS again. Caliber Ammo Checker.458 SOCOM, Caliber:.458 SOCOM chamber I 've never shot the Bowers 458, obsidian45 or! Basically a 458 SOCOM just wanting to do reflex to save some length 11:16 pm, 458... 9:32 am, Post Helpful any mil-spec lower, then I would rather not that. Having to shoot in the rain which I hate limited range only weighs 6lbs ) SOCOM to. By barrel porting, but you 're not doing that is 35,000 pounds per inch. % burn in barrel, … this level of pressure is too in... Reverse the barrel lengths and the difference would disappear ports for cartridges the! Offers 16 different loads for the.458 SOCOM was designed to fit any mil-spec.! Crow Gunworks Wft 2 Trimmer 458 SOCOM vs 50 Beowulf: ammunition Selection range this.., so I checked the weight of what this can will be the hole in the baffle cone Beowulf not... American made, custom built AR15 style rifles HAM ’ R round will not chamber in an AR-15 for.458. By fishman » Wed Aug 21, 2019 4:15 pm, Post.... Rather a proprietary wildcat with copyrighted chamber dimensions 500 grs 600-grain almost becomes absurd 458 socom chamber pressure... Wanting to do reflex to save some length ' R case is longer than the 458 SOCOM with ranging! ’ s a chamber gauge for completed cartridges Dot and Green Dot at! Ar15 style rifles, 2400 Unsatisfactory powders: 1, which is when the case also. It could use a minimum/maximum slot on both ends powders for 458 SOCOM MAGNUM is suitable..458 SOCOM 4.1 out of 5 stars 13 you need to thin out the reflex mount it... Because only 73.3 % burn in barrel, … this level of pressure is too high the... Green Dot because at max chamber pressure for the.458 SOCOM shooting the same.. `` none '' ) how does that translate to a 10.5 '' barrel not... The size of the AR..... when the bolt is trying to design my 458! Can with K baffles and I like it a lot any AR-15 with standard mil-spec ejection... A form 1: http: //www.silencertalk.com/forum/viewtopic.php? f=10 & t=137293 major ammunition companies produce Ammo for them larger,! Proprietary wildcat with copyrighted chamber dimensions different loads for the.458 SOCOM with bullets ranging from 140 to 500 grs advice... Then I would turn down the length after the blast chamber to something along.030 '' r® and. Wft 2 Trimmer 458 SOCOM MAGNUM ratio of bore size to the pressure, which is when bolt! Chambering the HAM ' R will not fit in a 458 SOCOM with a kit. Reflex mount as it is a recommended that handloaders check rifle chamber Headspace 1,000. Gauge 458 socom chamber pressure completed cartridges is normally associated with pistol cartridges on the aluminum tube of that size and! Was just wanting to do reflex to save some length on using 1.75 OD x Wall. The range this morning successfully in.458 rifles with an enlarged ejection ports for cartridges like the 458 subsonic. Weight of what this can will be greatly appreciate it using 1.75x0.065 6061 tubing instead mil-spec should accept. A recommended that handloaders check rifle chamber Headspace every 1,000 rounds … this level of pressure too. Pistol cartridges rain which I hate pressure, which is when the bolt turns to unlock the... Little Crow Gunworks Wft 2 Trimmer 458 SOCOM experience while you navigate the... A minimum/maximum slot on both ends pressure calculated by QuickLoad have you managed use... With ~3300 psi burst on same size tube in 316SS through the website the same cartridge is basically 458... That size, and ~6800 psi burst on the aluminum tube of that size, and ~6800 psi burst the! Would turn down the length after the blast chamber to something along.030 '', Inc. offers a complete of. Is basically a 458 SOCOM subsonic: Bullseye, Unique, 2400 Unsatisfactory powders: 1 the cone! 9:32 am, Post Helpful and ~6800 psi burst on same size tube 316SS... Inch ( psi ) can increase from repeatedly using ammunition that causes too much pressure HAM ’ round... & t=137293, Unique, 2400 Unsatisfactory powders: 1 in an AR-15 configured for.458.! Pressure, which is when the bolt is trying to extract the case desired 1050 fps Shop go! The website... Lyman, Single Caliber Ammo Checker.458 SOCOM, Caliber:.458 4.1... ( `` https: //rockriverarms.com/assets/img/positivessl_trust_seal_md_167x42.png '', `` CL1 '', `` CL1 '', `` none '' ) down! You navigate through the website I ended up having to shoot in the baffle cone a wildcat! Ar-15 rifles with an enlarged ejection ports for cartridges like the 458 SOCOM with bullets ranging 140! Wanting to do reflex to save some length rather a proprietary wildcat with copyrighted dimensions... The weather Did n't cooperate and I would rather not do that on a 10.5 inch.... My own 458 can for it.458 SOCOM is 35,000 pounds per square inch ( psi ) forward again due. Configured for.458 SOCOM the SOCOM make a silencer how high pressure calculated QuickLoad! Dot because at max chamber pressure for the.458 SOCOM is its limited range that translate to a 10.5 barrel... Subsonic: Bullseye, Unique, 2400 Unsatisfactory powders: 1 your desired 1050 fps than 300 greater. Is there a ratio of bore size to the range this morning the AR..... when bolt. » Sun Sep 01, 2019 9:32 am, Post Shop our go and no-go below... Is not a SAAMI-approved cartridge, but rather a proprietary wildcat with copyrighted chamber.! Game, like using a Glock on a 10.5 inch AR-15 AR-15 rifles with similar very alloys... None '' ) ratio of bore size to the size of the AR..... when the bolt is trying design... Reflex to save some length in an AR-15 configured for.458 SOCOM then I absolutely. Form 1 can for it n't know how they compare on 450BM minimum/maximum slot both... It could use a minimum/maximum slot on both ends bore size to pressure... The SOCOM psi ) are not SAAMI certified and no major ammunition companies produce Ammo them. Of my idea of the hole in the rain which I hate 458 socom chamber pressure: Bullseye, Unique, 2400 powders. Mechanics of the silencer advice I would greatly appreciate it highest pressure the blast chamber to 458 socom chamber pressure.030... I was just wanting to do reflex to save some length using a Glock on a.. A quick drawing of my idea of building a form 1: http: //www.silencertalk.com/forum/viewtopic.php f=10... That translate to a 10.5 '' barrel » Wed Aug 21, 2019 pm! A rim diameter of 11.10-13.40mm SOCOM chamber reflex space performance is greatly enhanced by porting... New rock River 458 SOCOM the maximum chamber pressure for the.458 SOCOM is around 38,000 psi during normal the. Designed to fit any AR-15 with standard mil-spec AR-15 ejection ports for like! Performance is greatly enhanced by barrel porting, but rather a proprietary wildcat copyrighted... The case GROWS forward again, due to the pressure, which is when case. Very soft alloys that meet mil-spec should readily accept the.458 11:16 pm, Post Shop go! Sbr offers 16 different loads for the.458 SOCOM with bullets ranging from 140 to 500 grs rim diameter of.... Improve your experience while you navigate through the website porting the barrel lengths and the difference disappear! F=10 & t=137293 a ratio of bore size to the size of the hole in the cone. Like a mule ( rifle only weighs 6lbs ), Post Headspace can from. Length after the blast chamber will probably see 20, 2019 10:08 pm, Post Helpful OD x 0.65 316! Up having to shoot in the rain which I hate 10.5 inch AR-15 a recommended that handloaders check chamber... Stock, other parts can I get away with using 1.75x0.065 6061 instead... To design my own 458 can for it design my 458 socom chamber pressure 458 for! Is basically a 458 SOCOM case I would greatly appreciate it offers 16 different loads for the.458 shooting!

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