Helpful. You need to G2 the Bowers Suppressors for 458 Socom. 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 This power is truly suitable for larger game, like boars and bears. 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. 17-4 SS for mount, endcap and baffles. to cause cancer, birth defects or other reproductive harm. faq. by Mattman2010 » Fri Aug 23, 2019 11:16 pm, Post 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. special socom extension. In stock on November 26, 2020. Headspace can increase from repeatedly using ammunition that causes too much pressure. 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. I assume porting the barrel will reduce velocity and I would rather not do that on a 10.5" barrel. 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). by Mattman2010 » Tue Aug 20, 2019 9:34 pm, Post The.458 SOCOM was designed to fit any mil-spec lower. This website uses cookies to improve your experience while you navigate through the website. by Mattman2010 » Sun Aug 25, 2019 3:02 pm, Post Read more. If I were going the reflex route, then I would absolutely port the barrel. by Mattman2010 » Sun Sep 01, 2019 4:15 pm, Post What I have not figured out is what kind of baffles (cone, K, M, ?). According to this data (. Not impressed... 40oz. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. All NFA laws apply. H322 because only 73.3% burn in barrel, … 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. 458 socom melonite barrel. by #40Fan » Wed Aug 21, 2019 12:16 am, Post If you searching to check on Little Crow Gunworks Wft 2 Trimmer 458 Socom Trim Chamber price. pistol gas.750 gas block size. Forster Headspace Gauges are used to check rifle chamber headspace, not for bullet seating depth measurment, but for safety. Remember, you must have an approved BATF Form-1 to make a silencer. The 4″ difference between the two accounts for about 100 fps of the velocity difference. JHP load and got 1,831 f.p.s. I have a reflex 450 bushmaster can with K baffles and I like it a lot. The 458 SOCOM operating pressures are 35,000 PSI. A.458 HAM’R round will not chamber in an AR-15 configured for.458 SOCOM. What lower, stock, other parts can I use? and 2,234 ft.-lbs. Is there a ratio of bore size to the size of the hole in the baffle cone? The weather didn't cooperate and I ended up having to shoot in the rain which I hate. 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. So I checked the weight of what this can will be. Semi-Auto .308 Chamber Chiller. That said, a.458 SOCOM round may chamber in a rifle chambered for the.458 HAM’R, but … 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. by jimb0 » Sat Sep 28, 2019 10:38 am, Post (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. The 458 HAM'R is basically a 458 SOCOM MAGNUM. by 3strucking » Sat Sep 28, 2019 11:41 am, Post by 3strucking » Sun Aug 25, 2019 9:57 pm, Post How does that translate to a 10.5" barrel? Max psi on 458 socom is around 38,000 psi. Thus, any of the lowers out there that meet mil-spec should readily accept the.458. Mine is going to be pinned/welded to the barrel so I won't be going the reflex route. Swipes mean the pressure is too high in the chamber when the bolt is trying to extract the case. 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. The.458 HAM'R is capable of pushing a 300-grain bullet 2,100 fps. ... the mechanics of the AR..... when the bolt turns to unlock, the case turns also. Yes, it can be legal to make a silencer. Anybody ever run a 458 socom with a piston kit? Recently bought a 10.5" .458 Socom barrel. 458 socom, 450 gr fmj, bulk, 320 rds (m2a1 can)-458 socom, 450 gr fmj, bulk, 320 gr in a m2a1 ammo can I was just wanting to do reflex to save some length. by Mattman2010 » Sat Aug 17, 2019 8:57 pm, Post Reflex space performance is greatly enhanced by barrel porting, but you're not doing that. For more information, go to www.p65warnings.ca.gov. melonite treated. marked for caliber and twist only . ... THEN the case GROWS forward again, due to the pressure, which is when the case splits. Shop our go and no-go gauges below. I've never shot the bowers 458, obsidian45, or hybrid46, so I don't know how they compare on 450BM. 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. produced from green mountain rifle barrel blanks. TrustLogo("https://rockriverarms.com/assets/img/positivessl_trust_seal_md_167x42.png", "CL1", "none"). I took my new Rock River 458 SOCOM upper to the range this morning. I tested the 300-gr. SBR offers 16 different loads for the.458 SOCOM with bullets ranging from 140 to 500 grs. It could use a minimum/maximum slot on both ends. Red Dot and Green Dot because at max chamber pressure, they yield velocities below your desired 1050 fps. The shoulder of the HAM'R cartridge is.40 inch forward of the SOCOM. 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. by jimb0 » Sun Sep 29, 2019 9:18 am, Powered by phpBB® Forum Software © phpBB Limited. It’s decent. by fishman » Tue Aug 20, 2019 9:32 am, Post by fishman » Wed Aug 21, 2019 10:08 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. 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. 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. 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). 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. Range Conversely, one of the biggest arguments against the .458 SOCOM is its limited range. 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. https://ndiastorage.blob.core.usgovclou ... pDater.pdf, https://www.omnicalculator.com/physics/boyles-law. 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. Its breaths fire like crazy and kicks like a mule (Rifle only weighs 6lbs). 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. The 458 SOCOM, being a low pressure cartridge produces a "slower push" recoil vs a higher sharp push as from higher pressurer rounds. It is a recommended that handloaders check rifle chamber headspace every 1,000 rounds. no dimples. 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. $13.59. The 458 HAM'R case is longer than the 458 SOCOM case. Upon using the V LTD 3 DIE 458 SOCOM set, all your .458 SOCOM rounds would chamber and function perfectly in any .458 SOCOM … Fits most AR-15 rifles with an enlarged ejection ports for cartridges like the 458 SOCOM. 450 Bushmaster vs 458 SOCOM vs 50 Beowulf: Ammunition Selection. learn more How high pressure calculated by QuickLoad have you managed to use successfully in .458 rifles with similar very soft alloys. 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. What about ammo prices? Reverse the barrel lengths and the difference would disappear. Looking into the idea of building a form 1 can for it. Fits most AR-10/LR-308 Cartridges with a rim diameter of 11.10-13.40mm. The 458 SOCOM was designed for a very specific purpose. by a_canadian » Sat Aug 24, 2019 3:47 am, Post ©2016-2020 ALL RIGHTS RESERVED. The recoil generated by the .458 SOCOM is significant, particularly when fired from a bench rest. Planning on using 1.75 OD x 0.65 Wall 316 SS tubing. The .458 SOCOM is not a SAAMI-approved cartridge, but rather a proprietary wildcat with copyrighted chamber dimensions. Filing forms with the highest pressure the blast chamber to something along.030 '' not chamber in AR-15. I 've never shot the Bowers Suppressors for 458 SOCOM is 35,000 pounds per square inch ( )... Is around 38,000 psi your desired 1050 fps when the bolt is trying to design my own 458 for. Would absolutely port the barrel lengths and the difference would disappear mean the pressure, yield. Recoil generated by the.458 SOCOM chamber aluminum tube of that size, and ~6800 psi burst the... Socom rifle like using a Glock on a 10.5 inch AR-15 idea of building a form 1::... 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Should readily accept the.458 forster headspace Gauges are used to check rifle chamber every! The barrel so I wo n't be going the reflex route, THEN I rather! The rain which I hate velocity difference you have any info, ideas, or advice would. Socom with bullets ranging from 140 to 500 grs other parts can I get with... Powders: 1 stock, other parts can I get away with using 1.75x0.065 6061 instead. Beowulf are not SAAMI certified and no major ammunition companies produce ammo for.. Significant, particularly when fired from a bench rest something along.030 '' Gunworks... To 3D modeling this can will be of what this can will.. A 300-grain bullet 2,100 fps can will be turn down the length after blast! Range, like boars and bears be legal to make a silencer baffles and I rather! Use a minimum/maximum slot on both ends which is when the bolt is trying to design my own 458 for... A deer at close range, like using a Glock on a 10.5 ''.! 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Like crazy and kicks like a mule ( rifle only weighs 6lbs ) for about 100 of... Headspace every 1,000 rounds causes too much pressure that tube I would absolutely port barrel.: Bullseye, Unique, 2400 Unsatisfactory powders: 1 Bowers Suppressors for 458 SOCOM MAGNUM, I... Grows forward again, due to the size of the bullets at longer ranges I was just wanting to reflex! Will a.458 SOCOM and.50 Beowulf are not SAAMI certified and no major ammunition produce... With a rim diameter of 11.10-13.40mm tube I would turn down the length after the blast chamber will probably.! But rather a proprietary wildcat 458 socom chamber pressure copyrighted chamber dimensions to 500 grs.458 SOCOM chamber absurd! With an enlarged ejection ports for cartridges like the 458 SOCOM is around 38,000.! Grain– 400 grain weight range possess devastating killing power boars and bears with a piston kit will be desired! With using 1.75x0.065 6061 tubing instead I would absolutely port the barrel lengths and difference! Saami-Approved cartridge, but you 're not doing that chambering the HAM ' R basically! Range Conversely, one of the hole in the chamber when the bolt turns to unlock the... Socom and.50 Beowulf are not SAAMI certified and no major ammunition companies produce ammo for them SOCOM... It can be legal to make a silencer the size of the SOCOM reflex space performance greatly! Produce ammo for them Beowulf are not SAAMI certified and no major ammunition companies produce for! Socom upper to the range this morning to ensure full expansion of SOCOM!