Select your cartridge type from the drop-down list. Xtreme Defense. They have not tested the 458. Controlled Fracturing. projectile. I recently did an extensive search on load data for the 458. I think I’ve posted a few loads on this forum. Handgun. Sorry to head over here for .458 data, but I have finished building my house and now have plenty of time for reloading and shooting. Find what you need in four easy steps. I'm not against buying another manual but id really only be buying this manual for that right now. Xtreme Penetrator. 458 Socom Starting Load Starting Load Maximum Load Maximum Load. Then select your bullet weight, powder manufacturer and powder type. Take the published stuff and cross reference it with posted loads. Lee reloading dies come with crap for data. I will have to give you the load data when I get home but I was getting 1/2"-3/4" five shot groups with this load consistantly. Load development like normal. as title says, looking to see if anyone who has the latest sierra load manual can check if it has any 458 socom data. Click "Get Data" to view results. All load data should be used with caution. Barnes has load data for the 458. Bullets. 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. Notes: Tromix .458 SOCOM Monster, 16.25-inch barrel. Velocity is the average of 10 rounds measured 15 feet from the gun's muzzle. Caliber / Cartridge.311/32 Auto.355/380 Auto.355/9mm Luger.355/357 SIG ... Lehigh Defense Load Data Library. At least they did when I got mine. The load data contained in this document is intended for use with specific components. Search 458 socom and my posts. Xtreme Cavitator. I concentrated my loads on the hornady ftx 325 gr and the barnes tac tx 300 gr. If you're unsure, or just want options, check as many boxes as you'd like. A very popular cartridge, this 50AE based case contains a .308 style head configuration with O.A.L. I want to reload .458 SOCOM rounds, but only have limited data. Accuracy is the average of four five-shot groups fired from a sandbag benchrest at 100 yards. Re: 458 SOCOM Load Data I have a SWEET load with H110 and the Hornady FTX 325 grain bullets. .458 SOCOM: Warning! CASE: Starline 458 SOCOM PRIMER: CCI-350 POWDER: IMR-4198 / 24.0 grains BULLET: Hornady 500 gr. Other manufacturers components may This case has been chambered in AR-15s and Bolt Guns. The FTX is a nice round. I had on hand h110 and lil gun. I called. Between teppo, Nosler, Lyman you should be on the way. Technology. Wide Flat Nose. Product Name Cartridge Technology All handloads used Starline cases and CCI 350 primers. .458 SOCOM From Wikipedia, the free encyclopedia (from Starline Brass) 458 SOCOM Brass (Large Pistol primer) 1.569"-1.576" O.A.L. of 1.575 necked down to accept a .458 dia. .458/458 SOCOM.458/45-70 Government. You wont find hornady data. problem ive been running into is its not a SAAMI cartridge. I have a custom 16" shilen barrel on a Rock river upper with Rock River bolt and charging handle. .458 bullet from Remington, Sierra or Hornady Ar-15S and Bolt Guns in this document is intended for use with components! Published stuff and cross reference it with posted loads manufacturer and powder type cross reference it posted... Sweet Load with H110 and the barnes tac tx 300 gr have data. Used Starline cases and CCI 350 primers Bolt and charging handle four lyman 458 socom load data... Into is its not a SAAMI cartridge grain bullets 'm not against buying another manual id... 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