Sierra 458 socom load data

Sierra 458 socom load data. 0 gr . Work down to sub loads. 12 30. Is so poor and they shed velocity so quickly, you end up with a flatter trajectory using bullets in the 250-300 gr. Load data is all over the place with . My primary use for it will be pig hunting and very little recreational shooting (just for the fun factor). Curious what you plan to use the loads on. 8 1565 35. JHP bullets from Midway. Primer: Large . 226 Bullet Style: BND SLD Primer: Rem 2 1/2 B. Accuracy is the average of four five-shot groups fired from a sandbag benchrest at 100 yards. 899". Attached File. 005 to + . The new Lyman #50 (April 2016) manual has lots of info on the range of AR-15 specialty cartridges including the . 135 loaded length The load data contained in this document is intended for use with specific components. 5 -4198 for 350 grain Max load per Accurate LT-30 is 40. 2479 Propellant Case Primer Weight (grains) Muzzle Velocity (feet/sec) Weight (grains) Accurate 2230 Winchester CCI 250 78. 458 Winchester Magnum - Published Manufacturer Loading Data Shellholders: Hornady #5 The 4227 having unburned powder won’t be affected by the can. In my 16" . Max Velocity: 2000 fps. 458 carbine, they do just under 1900 ft/sec, and shoot 10 shot groups . com/reloadingdata/458-socom/ . 8 Remington SPC Sierra offers a single flatnose bullet in this 45 caliber specifically for the 45-70 bore size. With a density tuned for magnum cartridges, Ramshot Grand offers optimal load densities, which equal low extreme spreads and standard deviations. 458 SOCOM is not a particularly gassy caliber, so brakes can have trouble actually reducing recoil. 88 107. Cycles, no high pressure signs, velocities were above 1760fps. velocity fps 2400 2117 1863 1673 1499 1351 1234 975 Dec 23, 2023 · There is 458 SOCOM load data in the following manuals. they are . Jan 4, 2017 · The Lyman AR paperback manual has some data for the . Getting OAL FROM 1. 458 Mag all use the same diameter bullets. The . TX. 0 C IMR 8208 Federal CCI 250 76. 015 and shot 5 shot groups at 200 yards, not 100 yards as before. 458 Winchester Magnum (Hodgdon Data) reloading data with 97 loads. 45 Caliber / . VELOCITY FPS ENERGY FT-LB DROP INCHES BULLET PATH INCHES (ZERO RANGE) 300gr. 45-70 data shouldnt be too hard to come up with, but I don't reload it. 470 NITRO EXPRESS Notes: Tromix . I doubt data will ever be available from Hornady, since they are in bed with the 450 Jan 26, 2016 · The big heavy, long bullets need more twist to be stable at that low of a speed. 0 2290 82. 5 grains of cfe blk for some time now and they are a very accurate round out of my tromix barrel. Messages. 458 SOCOM ammo works well with a 300-grain bullet at 1800-2000 fps muzzle velocity and delivering 2250 foot pounds of energy. Using bullets from Barnes TSX, Barnes TTSX BT, MEI LFP, Speer SP, Cast LRN, Swift SP, Cast LFP, Hornady JRN, Win SP. Primer: Large Rifle Hornady 300 gr. Bullet: 450 gr Plated SPITZER FCP (CamPro) Diameter: Powder: N120 (VihtaVuori) Starting Powder: 27. 5 gr. 2 gr . Spitzer. 0 2300 80. 22 4777 Hodgdon Lil'Gun 32. 45 Basic cases used (with length reduced to 2. 1g, max 35. It may be used in rifles or handguns with a . 25-inch barrel. Both work great, but the 405 is cheaper. I've been shooting the 325gr ftx loaded with 37. Bullet: 300 gr TAC-TX (Barnes) Diameter: 0. Bullet: 150 gr FN (Sierra) Diameter: Powder: BLACKOUT (Shooters World) Starting Powder: 21. Powders include Hodgdon, Winchester, IMR, Accurate, Alliant Sep 12, 2016 · 2,580. 75 inches) for all loads; Federal 210 Large Rifle primers used for all loads; chronograph velocities taken at 10 feet from muzzle of 31-inch barrel; test gun was Navy Arms Rolling-Bock single-shot rifle; velocities of 300-grain bullets were all taken using 300-grain Hornady HP bullets; velocities of 350-grain . Sierra 77 Grain TMK 5. Bullet: 400 gr FN (Speer) Diameter: 0. I doubt data will ever be available from Hornady, since they are in bed with the 450 Load Data for . Using bullets from Barnes TAC-TX, Barnes Banded Solid. 02 32. 4 gr with Hornady 350 gr RN bullet for 1663 fps - compressed load. 458" Powder: CFE BLK (Hodgdon) Starting Powder: 35. 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. My google-fu is strong enough to determine that a typical load is Load Data for . , 300 Gr. RANGE METERS. 4585 currently. Jan 18, 2020 · Loaded up some rounds today for tommorows range trip. Sniper’s Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. aluminum Lehigh, the B. 5 gr . It appears Apr 21, 2018 · Quoted: 4198 has a slower burn rate than H110/296, or even 300mp, so this means more pressure to the barrel gas port when all the powders listed are loaded to the same working pressure (peak burn spike dwell closer to the gas port), and will end up with 4198 unlocking the bolt sooner isntead. 3 gr . Max Powder: 24. Item #4500 | 50/Box. HP/FN. Bullet: 410 gr SUB-X (HDY) Diameter: 0. 458" Powder: Lil'Gun (Hodgdon) Starting Powder: 24. 0 gr 1857 33,555 458 SOCOM SBR 300 gr TTSX (Barnes) 2. 458 300 gr HP. Today I varied the COAL by -. 2 W296/H110 @ 2. The cycling issues will be helped to some extent by the can, but it’ll depend on how much back pressure the can generates. ) can be difficult to get to cycle in a semi auto if loading to subsonic velocities. Other Find load data for your cartridge. 45 Cal . 259 Sectional Density 0. com/reloadingdata/458-socom/ Sierra offers a single flatnose bullet in this 45 caliber specifically for the 45-70 bore size. I am using the Hornady 300 gr hollow points which I assume are similar to Remington 300 gr hollow points. 191 458 Socom Created Date: Load Data for . I’m looking for load data for 500 TSX and DGS utilizing H110, due to it being the most common powder I have available Printed from Shooter's Reference on 06/03/2024: https://www. gr to 33. The two books don't agree exactly, so I rely on the Lyman #50 newer recipes. Max Powder: 41. Range (yds) Velocity (fps) Energy (ft-lbs) Trajectory (in) - 1866 2319 (1. : 1. i have gotten this under comtrol finally. A. Load Data for . The 500- to 600-grain rounds are for suppressor use. 458 SOCOM was specifically designed to generate unprecedented stopping power at short to moderate ranges out of the AR. This puts the base of the bullet at the bottom of the neck. 0 2269 79. speer, no data hornady, no data lyman, 5 loads Hogdon, many loads, none Load Data for . DEFINITELY use conservative starting data with Lil Gun. (haven't check the 49th ed. 458 Socom (Barnes Data 2012) reloading data with 20 loads. 2 C Printed from Shooter's Reference on 05/28/2024: https://www. Anyone have subsonic load data for the Acme 576gr hardcast bullets out of a 16" barrel? I'm hoping to use either Lil' Gun or Accurate 1680 since I have a lot of both. Bedford, Indiana. Feb 20, 2022 · My sierra app has data for a 300g sjhp with h110 start 31. Safety Data Sheets include all information relating to product composition, safety, handling and storage. F. (VOLUME) All cartridge measurements are SAAMI maximum and due to variations from manufacturers actual measurements may vary “ Because Nosler, Inc. All load data should be used with caution. 115" Speer Part No. 458 RCBS: Warning! Notes: RCBS . I have my load, 47. 053 OAL in the socom. 7 1550 34. Remington 2½ Large Pistol Primers. twist is 1/14. Jul 3, 2012 · Re: 458 socom 500gr load thanks for the help. This is from the developer of the round. See the data in this post. com, Tony Rumore of Tromix Lead Delivery Systems started a thread showing his new . Max Powder: 46. I personally stick with RL-7 in 458 as it produces more stable results and seems to Jan 14, 2017 · Nosler, as you mention, and also Western Powders has quite a number of 458 SOCOM loads. Bullet: 450 gr Plated SPITZER FCP (CamPro) Diameter: Powder: IMR 4198 (Improved Military Rifle) Starting Powder: 27. I have a Rock River Upper and a Rem 700 in 458 Socom and a SBR Can for both. 451 or . 5gr Reloder-7. 458 SOCOM Monster, 16. 458 dia. 7 1674 36. 45-70, . 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 Load Data for . Oct 26, 2017 · If you carefully measure water capacity of the case with bullet seated, I think you will find that the . : . I use 35. 458 Winchester Magnum Reduced Loads: Warning! Loads chronographed in Colt-Sauer, 24-inch barrel; Oehler Model 32 Chronotach. 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. It was published in 2014. 458 Socom Forums. Thanks. Posted: 12/22/2023 12:23:13 PM EDT. 14, for the same weight bullet, adjusting the powder charge in Load Data for . I don't know if that's good or not good. My rifle has a mid length, 16" barrel. I have been able to…. 458" Powder: 1680 (Accurate) Starting Powder: 33. I have been blowing up hogs with the 458 for a few years now and I will say that it is one of the best pig killing loads out there. 85 TO 2. 458 diameter, 380 grain Wide Flat Nose Bullets (50 count) 45-70 Government: Wide Flat Nose: 380: VIEW: 05264126CuSP. treillw; Nov 13, 2023; Reloading Depot ; Replies 2 Views 448. 84. Lots of good info / discussion there. I recently picked up a box of the 300gr HP Interlock bullets to work up a load but thought I'd ask if anyone else is running them with cfe blk and what your col might be. 458 SOCOM loads, a 150-yard zero will give a relatively flat trajectory out to 200 yards. Cartridge Name: 458 Socom Cartridge O. MUZZLE 50 100 150 200 250. AR-COMP with a original tested COAL of 2. By jmorris February 17, 2009 in Rifle/Shotgun. Powders include Shooters World. Most have our pioneering secant ogive design — one of the most ballistically efficient profiles ever developed (see diagram to right). 458 Socom. 458 bullet from Remington, Sierra or Hornady Printed from Shooter's Reference on 05/28/2024: https://www. MUZZLE VEL. 575 case length Hornady 325 gr FTX, 2. 4 gr 1861 34,943 458 SOCOM SBR 350 gr FMJ (SBR) 2. 458 caliber, 570 grain Controlled Fracturing Bullets : 458 SOCOM Plus, you can save favorites, add notes and more. Max Powder: 37. 1 450 MARLIN 458 WINCHESTER MAGNUM 458 LOTT 460 WEATHERBY MAGNUM. I have a 458 SOCOM I just finished putting together and am about to start reloading for. SET ZERO AT 105 METERS. 0 grains BULLET: any 300 gr. 204. 458 bullet that light, as seen with the old 100 gr. 13 or No. Using bullets from Hornady JHP, Barnes TTSX, Sierra Pro-Hunter, SBR FMJ, SBR JSP. 458 Dia. increments can be huge. 985". 458 SOCOM (Shooters World) reloading data with 22 loads. The manual covers the reloading process, tools, equipment, and firearms cleaning. ) has data and Barnes Bullets has data online. Bullets, cartridges, and powders are included in the traditional Sierra format that reloaders have always liked. the issue was using to little powder in the case with a primer that was not lighting off hot enough. 8 gr . set zero at 105 meters. Sep 18, 2020 · The Hide Armory. plated bullets to run using H4198. Powders include Hodgdon, Winchester, IMR, Accurate, Alliant Sub sonic load data for 350gn? Or different bullets? If you are looking to use sub sonic 350 gn you could try some Lil gun and use lyman data for 500gn dgs as a starting point but I would check the barrel after each firing till you were confident in your velocities. set zero at 155 yards. I haven't tried 300 gr. , 300 gr. I have had very good luck with bulk packaged Remington 300 gr. You are correct to some degree metal god, but there is data to be had. The only significant players that are missing are Speer and Hornady. 56 Load Data. has no control over the actual components selected, the . Max Powder: 32. 0 INCHES ABOVE AND BELOW LINE OF SIGHT. Cases are formed from 458 SOCOM cases run through a 375 SOCOM sizing die (custom die. Nov 22, 2021 · CFE (Copper Fouling Eraser), is an additive that significantly reduces copper fouling in rifle and pistol barrels. 0 Load Data for . 375 SOCOM. 5" 1/14 Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum Receiver, on a Franklin Armory Libertas BFS lower with carbine buffer tube assy. For 300- to 350-grain . Looking for 500 Grain cast boolits load data mainly for the bolt gun for urban deer control. Founded by Frank Galli in 2000, Sniper’s Hide has been offering informational videos, podcasts, and other support to its users in one location. 458" Powder: 2015 (Accurate) Starting Powder: Max Powder: 30. 0 C Hodgdon BL-C(2) Winchester CCI 250 75. 458 SOCOM compares very closely to the . Dec 3, 2023 · The 458 socom forum has some load data. I am going to open up one of the sizers to . 565 "S. 4 1650 36. 272 COAL Tested 3. #5. I'm New Here. Basic Load Data. 458 SOCOM, 1. POWDER POWDER CHG. Average of three five-shot groups. Bill Whenever practicable, avoid loading to maximum possible velocity. Jan 3, 2019. 9 gr. 474. Bullet: 450 gr FMJ (SBR) Diameter: Powder: BLACKOUT (Shooters World) Starting Powder: 30. Max Powder: 26. 140 loaded length MAX loads, velocities estimated for 16" barrel Type mc (gr) fill (%) vel (fps) Pmax (psi) Z (%) Pmuz (psi) Norma 200 40. Case or jacketed data with the same grain weight and profile will work with Berry's Bullets. 5, 338, 30-30, etc. Our traditional line of bullets feature exposed lead tips for controlled expansion and hard-hitting terminal performance. 5 inches above and below line of sight range yards muzzle 50 100 150 200 250 300 500 maximum point blank range is 185 yards. Have you called Barnes? I’m shooting the 500gr makers expanding subs in a 11. I spent some time searching and compiled a folder with a fair amount of load data from multiple sources. Your load: 38. 458 SOCOM, . 5mm Creedmoor: Controlled Chaos: 126: VIEW: 02458570LP. CFE BLK is a spherical powder formulated for the . Shop Now. . Location. Forgot to mention, I've been reloading for 12ish years, but just now got into 458. 96 4132 Dec 24, 2013 · Joined. Max Powder: 29. . velocity fps 1800 1597 1417 1277 1165 1084 energy ft -lb 2157 1700 1337 1087 904 783 . All handloads used Starline cases and CCI 350 primers. Case: Starline Jan 14, 2024 · WTB 458 socom brass, 338 projectiles 224 valkyrie dies. POINT BLANK RANGE COMPUTED FOR 2. 0. (Handloader Issue #61) Be Alert: Publisher cannot be responsible for errors in published load data. P. 1 gr . Load data for our Superior Plated Bullets® can be found in any manual or on any powder manufacturer’s website. C. This is listed as 32. 00 1815 35000 99. Bullet: 450 gr Plated SPITZER FCP (CamPro) Diameter: Powder: IMR 4227 (Improved Military Rifle) Starting Powder: 24. 458 inch bore, but it must not be used in handguns with . 25 32. I have been using Reloder 7 for this round. S. 4 gr. Share More sharing options Followers 0. Below you’ll find some basic data for each cartridge to help get you started. Like I said, these are not for use in lever actions though The . 45-70 Gov’t reloading data for . To view a table simply click on it, and an adobe acrobat pdf will open in a new window. 100" OAL. 985 Max Velocity: 2000 fps . Load data. 61 85. Primer: Large Rifle Nov 5, 2015 · You get a . 458" Powder: IMR 4227 (Improved Military Rifle) Starting Powder: 26. > Indicates most accurate load Bullet Weight: 330 gr Case Trim Length: 1. Discover our extensive lineup, including Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition, and more. Feb 6, 2015 · Over at 458socomforums. Bill Load Data for . 458-caliber bullet offers excellent penetration at close range. Dec 21, 2019 · Start by reading up at the . PM your email if you would like it. TO 458 SOCOM Steinel offers a few distinct loads for 458 SOCOM enthusiasts. Bullet: 325 gr FTX (HDY) Diameter: Powder: BLACKOUT (Shooters World) Starting Powder: 33. RN 2. 45-70. 41. 8 100 May 19, 2021 · This genuinely puts the 458 SOCOM in 45-70 turf ans edges it ahead of the other thumpers. Not up to. (online and/or printed) Sierra Hodgdon Lyman Western Powders (Ramshot/Accurate) Nosler Barnes That seems like quite a bit of data to me. Ballistic experts Ted Almgren and Dr. Black Butterfly Ammunition loads these bullets to 2. Suppressed with a Rugged Obsidian 45, using I’m shooting the 500gr makers expanding subs in a 11. hp/fn point blank range computed for 2. Max Powder: 27. 458 SOCOM. 0 grains BULLET: Hornady 500 gr. #12 · Mar 19, 2012. Other manufacturers components may not produce equivalent pressure or velocities; therefore, it is recommended that the user be familiar with the basic rules of reloading safety. Reloder-7 seems to yield lower velocities when compared to other powders, but it does allow for a complete case fill. Forum Statistics. Feb 18, 2024 · It is important to follow proper reloading procedures and use appropriate components to ensure safety when reloading . My google-fu is strong enough to determine that a typical load is Sierra Bullet’s manual contains the confirmed data for rifle and handgun cartridges in one volume. Nice clean burn, cases were significantly less sooty than my 110 loads as well. OAL: 2. Jan 27, 2012 · 458 Socom 500 Grain cast Boolits Load Data Needed. Mar 17, 2012 · the boar buster. Bullet: 450 gr FMJ (SBR) Diameter: Powder: BUFFALO RIFLE (Shooters World) Starting Powder: 28. You would probably not get into any trouble using pressure tested load data from reliable sources, such as Speer No. L. Max Powder: 35. The load data contained in this document is intended for use with specific components. 5) 50 1686 1894 0. Mar 17, 2012 · I have been blowing up hogs with the 458 for a few years now and I will say that it is one of the best pig killing loads out there. I put a GM fast twist 458 barrel in my H&R so I could shoot the heavies subsonic. 459 or so and see if it makes a difference. 10 and powder from 26. Max Powder: 34. Most will tell you the lighter bullets (300-350 gr. It will produce impressive velocities but is also a rather cantankerous powder. I have purchased a LEE 500 RN Mold and looking for some loads. 08". MAXIMUM POINT BLANK RANGE IS 125 METERS. 458 SOCOM is roughly the equivalent to the . 45-70 in bullets of 300-350 gr, but with heavier bullets the SOCOM pales to the grand old . Reloading data is available as low as 99¢ per cartridge or as a subscription for $19. FP in the . Primer: REM 2½ Feb 1, 2011 · I have been shooting these in my . Can I use . You can use a taper or a roll crimp. com/reloadingdata/458-socom/ Sierra Bullet’s manual contains the confirmed data for rifle and handgun cartridges in one volume. 1 gr 1730 34,960 MATCH RIFLE D073-06 RELOAD DATA Caliber Case Projectile Load Length Apr 30, 2020 · Load data is available on several places if you search. Sep 12, 2016 · 2,580. 451” Diameter. I am going to start reloading 458 socom. Velocity is the average of 10 rounds measured 15 feet from the gun's muzzle. 00 1828 35000 89. range such as the Hornady 250 Monoflex and Barnes 300 TTSX with a whole lot more energy on target. Hornady 500gr DGS/DGX - 20. Nov 14 Jul 24, 2022 · Mar 20, 2023. 96 4132 . 458 SOCOM 45-70 1895 MARLIN 45-70 RUGER NO. Primer: WIN WLP . Reply to this RAMSHOT GRAND. Feb 17, 2009 · share your 458 socom load data share your 458 socom load data. I’m looking for load data for 500 TSX and DGS utilizing H110, due to it being the most common powder I have available currently. 375 SOCOM round. Bullet O. 2g As stated, I would neve just use a load I found online without finding that load, or at leas something real close, in a manual. Outside of that I have been messing with makers 500gn copper expanding for my subs. Primer: Large Rifle Load Data for . 7 gr. Sierra introduced this bullet in 1973 - the 100th year of the 45-70 cartridge. 575 case length Remington 405 gr FN, 2. Reloading Depot. CT® Ballistic Silvertip® BST 300gr. A double-base spherical propellant, brining the latest propellant technology to the Ramshot family. Appreciate any, and all help! Just remember. It shows the loads are slightly compressed. But I can't seem to find any H110/300 gr reloading data online. of Winchester 296 powder, in Starline cases, with CCI Large Pistol Magnum Primers. I like the 300 TTSX and the 405 gr jsp. 6gr h110. Now, decades later, this old cartridge is still growing in popularity and justifiably so Jul 5, 2015 · Today I got to finish up testing with the Sierra 200 gr. 45 Auto (ACP) 45 Colt (Single Action Army & Replicas) 45 Colt (Ruger & T/C Contender & Encore) Explore the world of Nosler, renowned for crafting the finest bullets, ammunition, rifles, and brass. Load Data for Berry's Superior Plated Bullets can be found in any manual or on any powder manufacturer's website. shootersreference. 458" 45 SPFN Weight (grains) 400 Ballistic Coefficient 0. Bullet: 300 gr TTSX-BT (Barnes) Diameter: 0. Mar 17, 2005 · Yes they will. PLEASE HELP!! I have 350gr and 450gr bullets with 4lbs of Lil'Gun powder. 454 inch bore size. Jan 29, 2016 · CASE: Starline 458 SOCOM PRIMER: CCI-350 POWDER: IMR-4198 / 24. 5 min 35. It does not have the higher muzzle velocity of most big game cartridges but the energy behind that larger . 376 posts · Joined 2011. Cast or jacketed data with the same grain weight and profile will work with our bullets. 5MOA or better with little to no effort. 300gr Remington JHP. 458 socom. bullets, but I have gotten 350 gr. Didnt accuracy test yet, but thus far shooting 325FTX, 300TTSX, and 300gr HP I'm able to see 1. 458 SOCOM (Shooters World) Warning! Be Alert: Publisher cannot be responsible for errors in published load data. 300 AAC Blackout, but suitable for a wide variety of rounds, including smaller capacity rounds in the Hornet/Fireball class and AR-15 cartridges ranging from the 6. D. The Lyman 50th Ed. 264 caliber, 126 grain Controlled Chaos Lead-Free Bullets : 6. 458 SOCOM SBR 300 gr JHP (Hornady) 2. The old . Bullet: 350 gr JSP (SBR) Diameter: Powder: SBR-SOCOM (Shooters World) Starting Powder: 30. LOAD DENSITY TYPE GRS. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. 0 . 458 SOCOM for a couple years now and the only complaint is price, but worth every penny. Cartridge O. 458 socom forum also has a ton of legacy loading data. ) Rumore reports getting a 200 grain Sierra FP to more than 2,600 fps using 55 grains of AA2520 powder and a 20″ barrel. 458 Socom . bullets and H110 powder. 0 gr. 458 SOCOM. gr with 350 gr. My experience is mainly 300blk, 6. Pressure seems to spike FAST - as in 1/10 gr. 25 31. 4 gr 1740 34,368 458 SOCOM SBR 350 gr JSP (SBR) 2. Wt. The 405 tends to shed its jacket, but that doesnt matter. 8 max for IMR4198. Max Powder: 30. 99. Primer: Large Rifle Dec 3, 2023 · There is 458 SOCOM load data in the following manuals. Cartridge Name: 458 Socom. 161 for 2294 fps. Accurate LT-30 duplicates 4198 burn rate, and they show loads for it in 458 SOCOM in their published data. 0 gr Aug 26, 2009 · I can still contribute a bit I suppose. Primer As a deer hunting cartridge, . 5” with 18. 22 4777 Bofors RP1/NP ~approximation 40. 458 SOCOM? While some load data may be interchangeable, it is best to use load data specifically tailored for . 0 inches above and below line of sight range meters muzzle 50 100 150 200 250 maximum point blank range is 125 meters. Shooting from a 10. Bullet: 300 gr Pro Hunter (Sierra) Diameter: Powder: BLACKOUT (Shooters World) Starting Powder: 35. 191 0. 01-24-2012, 08:41 AM #2. I plan on using this OAL and data from the Lyman AR Reloading handbook on 350 plated bullets. I worked up some loads with the Berry's Superior Plated Round Shoulder 350gr, using HS-6, and CCI350 primers. 86. 035" 0. di ch go fx iu yd cp pv wu sn