The .458 SOCOM rounds have slightly lower recoil energies when compared to the .50 Beowulf, which has several rounds in the 39-32ft.lb range compared to the highest .458 SOCOM round at 28.89ft.lb. ALL 250 gr 300 gr 325 gr 330 gr 350 gr 400 gr 570 gr. 458 socom forum is loaded with data of all types just be careful some of the older data seems hot. The Rock River is a great rifle. .458 SOCOM - Manufacturer Loading Data. In no event shall Nosler, Inc. be liable for any damages resulting from the use of this data.” ... 458 SOCOM - 300 grain Starline 16 " Pac-Nor 1-14" SBR is a manufacturer of small arms ammunition specializing in precision Training, Match, & Duty cartridges to support Law Enforcement, Government, Military and Civilian customers. The maximum allowable pressure of the .458 Socom is quite low and can … We produce a variety of ammunition, including tracer, AP, API, and special long range sniper cartridges. OK Socom guys, I have been searching all the other forums for load data that might be current. If you get one let my know and I'll send you my load data. .458 bullet from Remington, Sierra or Hornady 458 Socom Starting Load Starting Load Maximum Load Maximum Load. .458 SOCOM (Shooters World) reloading data with 22 loads. I found the sweet spot for my gun to 38.5gr with the 325gr FTX. Any data out there? You wont find hornady data. Any help? 13 or No. When the round first came out, I was expecting the SBR AR platform in .300 blackout to give the H&K MP5 SD a run for the money in the special forces community. There’s no dearth of .458 bullets up to 500 grains for reloading thanks to the 458’s faster twist rate but hard-copy data is a bit skimpy. Im trying to pick out a gas system and having some difficulty. Even managed to enlist the help of Sean to crunch some Quickload info as well. I purchased a box of 250 HSM 405gr .458" Lead (Still trying to figure out of they are cast or not, box did not say) bullets. the issue was using to little powder in the case with a primer that was not lighting off hot enough. RN I just talked to one of my shooting buddies who shoots an AR and his "starting load" is as follows - CASE: Starline 458 SOCOM PRIMER: CCI-350 POWDER: Winchester 296 / 30.0 grains BULLET: any 300 gr. The 458 SOCOM is a large surface area cartridge and can fall out of specification if not properly loaded. CASE: Starline 458 SOCOM PRIMER: CCI-350 POWDER: IMR-4198 / 24.0 grains BULLET: Hornady 500 gr. Had my SIL ask me to teach him how to reload and he’d like to start on his 458 Socom. Also it calls for Large Pistol primers and I don’t have a single gun that shoots LP primers. The only manual I’m aware of with SOCOM information is the Lyman 50th Edition. Discussion in 'Handloading and Reloading' started by FHBrumb, Apr 11, 2017. By using 300 grain, .458" bullets for 45-70 use, I can load these for under 50 cents (not counting the brass cost). The load data contained in this document is intended for use with specific components. I'm not against buying another manual but id really only be buying this manual for that right now. I had on hand h110 and lil gun. Powders include Shooters World So your on the light side. I have a 458 SOCOM I just finished putting together and am about to start reloading for. ITEM 47G. Case Trim Length C.O.L. bullets. The barrel has pistol length .875 diameter port. They have not tested the 458. * = Most accurate load tested ** = Compressed load ... either expressed or implied is assumed for the use of this data. I called. mistakes-not using enough powder , found loads and backed off 10% WAY TO LIGHT could have been bad not using correct primers for load data barnes solid bullets,I use RE7 39.5 gr., WLP primers,2.255 coal . The most reliable formula would be “quick load” software. SBR is also a Class II manufacturer, building custom weapons and support systems, and hold a FFL Title 10 License. 458 SOCOM SUBSONIC HUNTING & SNIPING AMMO 500 gr. TO 458 SOCOM Steinel offers a few distinct loads for 458 SOCOM enthusiasts. Two traditional jacketed hollow point loads are offered: A 300 grain JHP is the most popular and is considered by more and more customers as the best value in 458 SOCOM. If you carefully measure water capacity of the case with bullet seated, I think you will find that the .458 SOCOM compares very closely to the .45-70. Log in or Sign up. 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. that suppressor looks good, the massive blast chamber might help to make up for the lack of baffles. I love shooting mine, I just haven't done as much with it since I went to the 6.8. Because ammunition is getting more expensive over the past few years, many people are starting to consider reloading, and that should be the case. Im planning on building an suppressed 458 socom upper. Re: 458 socom 500gr load thanks for the help. I have loaded a lot of different 458 socom loads and may be able to help give you an idea. problem ive been running into is its not a SAAMI cartridge. The 458 SOCOM is just getting started with 300-gr. Barnes has load data for the 458. as title says, looking to see if anyone who has the latest sierra load manual can check if it has any 458 socom data. Go to the 458 Socom forum and hang around for a while. Also, trying to figure out if the rings on the bullets are gas check or lube rings... which again, the box does not say anything regarding that either (I will try and get pictures here shortly). I concentrated my loads on the hornady ftx 325 gr and the barnes tac tx 300 gr. Using bullets from Hornady JHP, Barnes TTSX, Sierra Pro-Hunter, SBR FMJ, SBR JSP. I you have data that you use let all post it here. The .458 SOCOM round is a unique creature. a suppressed 458 socom would be sooooooo sweet. Home Forums > Ammunition, Gear, and Firearm Help > Handloading and Reloading > 458 socom data? 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. The sweet spot for my gun was 29.7 gr a OAL of 2.140". Re: 458 SOCOM Question Post by jmorris » Sat Jan 10, 2015 5:08 pm I use the "A" powder funnel (same one I use for .223) and at the end of the die there is a little ridge that keeps the powder funnel from falling out I had to bore it out, stock it's .530 ID I bored it to .550. confused I did find some load data on Nosler’s website however the only powders I have are compressed loads and I’d rather avoid that situation if possible. I want it to be adjustable with a quick switch that would allow me to shut off the gas system entirely. i have gotten this under comtrol finally. With IMR 4198 the load data I have, has a range of 35.0-38.8gr. You would probably not get into any trouble using pressure tested load data from reliable sources, such as Speer No. just when i start to get a pretty sizeable amount tucked back, you go and mention one of the rifle setups ive wanted for a long time. I don’t have it but I’m sure someone here may have it. Curious what you plan to use the loads on. HARD CAST GC FN (1115 fps) 20 Round Box. During the almost three-month run of Operation Gothic Serpent in Mogadishu, Somalia, the special operations community became frustrated with a … Not finding a lot of consistent data. It’s the product of a desire for a more effective combat round. All of these rounds are in the 300-350gr range besides the single subsonic .458 SOCOM … I wanna load 458 socom with the Hornady 325ftx and Reloader 7 or Winchester 296. The High Road. My preferred powder for the 458 SOCOM is the W296/H110, load range of 27.6-31.1gr. I had good luck with powders in the range of 2400, Longshot, and HS-6. Bullseye is a rather fast burning powder. My primary use for it will be pig hunting and very little recreational shooting (just for the fun factor). testing and hunting with 500 grain subsonic .458 socom using the cmmg anvil and the bowers vers 458 from silencer shop. Ill be using about a 10 inch barrel and 8 inches of suppressor. H4198 39gr ,CCI 350 primers ,2.225 COAL , slight crimp .This data is shoot out of a RRA 458 upper. Other manufacturers components may For the 330gr. Even so, I hope this reviews about it Load Data 325 Gr 458 Socom And Suppressor 458 Socom will always be useful. It really only makes sense as a suppressed SBR, but as such (and using sub sonic ammo) it is awesome. Diam. This allows you to check your sized brass and completed load round to ensure in meets size specifications. Powder ALL Accurate 1680 Accurate 2200 Accurate 2230 Accurate 4100 Accurate 5744 Accurate LT-30 Accurate LT-32 Ramshot Enforcer Ramshot X-Terminator. I recently purchased a 458 socom, and I am going to be reloading ammo for it. As per popular demand, Buffalo Bore is introducing 7 new 458 SOCOM loads that will fill every possible need 458 SOCOM shooters may have. Grains Vel. Remember to get the carbine length gas system as the mid length will only work with certain powders. This give me a velocity of ~1700fps (1672 fps at 15'). Load data is in the Lyman #50 manual and in the Lyman AR-15 load book. I am looking for Hornady 325 FTX and Hornady 300 HP data. 458 socom reloading manual. Press. I recently did an extensive search on load data for the 458. If you are handloading the 458 SOCOM, a Case / chamber gauge is a must have. Well I have researched just about everything I could find on the .458 SOCOM and unveiled some workable and useful data. Pistol; Rifle; Cowboy; GR. For hunting medium to large game, bullets in the 250 grain– 400 grain weight range possess devastating killing power. These are some of the loads we are putting together HORNADY 500 gr 458 SOCOM 45 Cal .458 500 gr InterLock® RN Believe it or not, the component that kicked off this entire build project was the Liberty Suppressors Goliath.I saw this suppressor, designed specifically for .458 SOCOM, at SHOT Show 2017 (video of it here) and knew I had to have it.Made entirely of titanium, the 2-inch outer diameter, 10-inch long can weighs just 20 ounces. That's a little different from my pistol-length system, so I'm not sure my data will help you all that much. Lee makes excellent dies for it. Nobody supports bullets. Bullet Type Primer. 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