Dillons dies for their machines can be pricey, but the company also generally uses a carbide sizing die. I know some may say to check every fifth, or tenth, or whatever number cartridge. Not only does this allow for compatibility with existing magazines and bolts, but it allows reloaders to form their own brass from cut-down 5.56mm or .223 cases ensuring brass supply even in the event of a shortage of factory brass. 448 54 Silhouette shooters claim it is the most accurate 44 powder they have ever used. As mentioned, it should NOT be reduced. 300 Blackout - 150gr Speer Gold Dots. A typical 125-grain bullet for supersonic loads, such as a Sierra MatchKing 2121, has an overall length of approximately 1.18. After investigation, AAC found the 7.6239 cases aggressive taper too extreme for a standard M4 magazine to accommodate. I think 296 and 4227 are the same powders, not 100% sure though. ES -----174 fps. I save Lil' Gun for subs. 300 Blackout 125 GR NOS BT Hodgdon Trail Boss .308" 2.060" 300 Blackout 135 GR SIE VAR HP Hodgdon Trail Boss .308" 2.055" . Ive seen published load data with N120 as well. With the opening of the American West to settlement and the ongoing military conflicts in Europe and the Near East, the demand for Winchester firearms and ammunition remained strong. New Starline 300 Blackout Cases. by Merlin1274 Sat Dec 14, 2013 10:38 pm, Post Create a free website or blog at WordPress.com. : 26,000 34,800 CUP Hodgdon 85 gr RN (Sierra) 0.308" Powder: H4227 (Hodgdon) In today's episode of "I Carry," we have a Smith & Wesson M&P9 M2.0 Metal pistol with a Holosun EPS Red2 red-dot sight carried in a KSG Armory Lexington IWB holster. .300 Whisper / .300 AAC Blackout / .300 Blackout reloading data with 26 loads. Very versatile. If you want cheap, youre looking at having to buy remanufactured ammunition, which can sometimes be of questionable quality. W296 is more than similar, it IS H110. : 1.625" Powder: 16.5 gr 17.5 gr Vel. Selected this powder based on recommendations that it was good for .410 reloading. Sierra 180Grain match king projo, 12.2 grains of powder. 220 sierras were stable to 150 meters with 1:7 twist. Amp up your AK with these exciting accessories. It was later followed by CFE Pistol in 2014 and CFE BLK in 2019. subsonic 300blk. He had groomed his son, William Wirt Winchester as his successor, but the younger Winchester died of tuberculosis in March of the following year before he could assume control of Winchester Repeating Arms. Berry's 220 grain 300 Blackout bullets. Find load data for Winchester 296 propellant by clicking the button "Loads for this Powder".More about this powder:Wincheste. H110 powder. These seemingly small differences are significant. By cross referencing the group size shown on the target with the group size in the table, you can determine which group was shot by which load. They are constantly asking about powders. We were even close for a short time. 296 speaks for itself. Second stupidly and even dangerously compressed loads For lightweight supersonic loads IMR 4227, Hodgdon CFE Black, Hodgdon H110, Winchester 296 and Alliant 2400 are good options. The design of the cartridge itself is a bit of an issue as well. Technical Specifications (based on the respective safety standard - see more details in tab "Datasheet" if available) Subscribe to the free newsletter and do not miss any news or promotions. Relative Brun Rate: So how does everyone find the stability of the heavier projectiles with the 1-8 twist rate? : Vihtavuori 100 gr HPCE / OTCE The load data provided by Accurate Powders suggests a 16 barrel with 1:10 twist rate, Remington cases trimmed to 1.358, and Winchester Small Rifle primers. A carbine length gas system (one comment mentioned 16.5 inch gun would not cycle the action) will not work with subsonic loads in 300 blackout. The case gauge is to be used to check every loaded piece of ammunition. Size -- Quantity They first looked to the 7.6239 for inspiration. If you cannot find one powder in stock, the other may function as a substitute, using the same load data. New customer? There is not much load data for this powder so I had to work up my own. by rjacobs Sat Dec 14, 2013 4:27 pm, Post Subsonic 300 Blackout. Reading a few different reports of accuracy issues with the cartridge in general (youll notice many of the sub sonic groups published online are shot at 25 yards!- more on this later), I came to the realization, that most of the good groups found with the cartridge were shot with either a special chamber (not a 300 BLK which has a long throat to accommodate the heavy bullets) or a slower twist rate to work well with the light bullets (SAAMI specifies a 1:8 twist, click link). <>>> I have three sources of loading data: Lyman's. 300 BLK, Cartridge Selection, Reloading He deserves NOTHING and would tax the IRS if he could do it. I haven't had much luck with Trail Boss in the Blackout for what it's worth. Never miss a post! The 2017 printing is identified by the gold star on the front cover that states "Revised 2017 New Powders over 37,000 loads". by 300m3nt0kAAC Sat Dec 14, 2013 6:27 pm, Post The 300 Blackouts recoil is not significantly different from the 5.5645, and its price isnt prohibitively higher. Yes, I am a Baptist, and yes I carry a gun. Early on, the claimed goal was to have ammunition prices on par with the inexpensive .223 Rem. To clean your brass, you need a vibratory polisher/tumbler, polishing media and brass separator. %PDF-1.5 An ideal solution for loading 357 Magnum, 44 Magnum, and even 410-bore shotshell ammunition, its high loading density provides optimal velocity. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized, Sig Sauer MCX Virtus PCP Air Rifle Review- Initial Impressions, Project Guns- Gunsmithing articles and posts, check out my 300 AAC Blackout Review from September 2012, 125, 135, 175 and 220 grain Sierra MatchKings, AICS style 223 magazine from Accurate Mag, Modular Driven Technologies (MDT) HS3 Chassis Review: Initial Thoughts, 308 Winchester Load Development: 175-grain Sierra Matchking and Varget, Building a Custom Remington 700 .308 Tactical Rifle, Smith and Wesson K-Frame revolver barrel removal and installation, 308 Winchester load development: Sierra .308 195 gr. Pingback: NEW: Sierra Bullets .300 AAC Blackout Reloading Data - AK Arms, Pingback: NEW: Sierra Bullets .300 AAC Blackout Reloading Data | Firearms Life, They should. The 2017 printing is identified by the gold star on the front cover that states "Revised 2017 New Powders over 37,000 loads". IMR 4227 is suitable for supersonic and subsonic loads. I have used this program for years and tke it with a very large grain of salt! 3 0 obj The standard 5.56 NATO Magpul PMag on the left shows the second round nosed down in the magazine due to binding. Winchester - Legendary Powders RELOADING DATA CENTER ALL THE LOAD DATA YOU'LL EVER NEED ALL IN ONE PLACE! by lupy123 Sat Dec 14, 2013 8:06 pm, Post The 300 Blackouts .30 caliber bullet can be made especially long, and as the result may weigh up to 220 grains quadruple the weight of the typical 223 Rem rounds. The case dimensions are very similar to .223 Remington and 5.56mm NATO, with virtually identical cartridge overall length (COL) and base diameter, allowing a shooter to load .300 Blackout cartridges in an unmodified AR-15 magazine without loss of capacity. The 300 BLK is an interesting cartridge for the rifleman. My preference is the dial version, as they dont require batteries and also probably because Ive been using them on and off for most of my adult life. The 300 Blackout would never see mainstream military use, although it became popular in the civilian shooter market. 1/8 twist. Turns my carbine gas rifle into a single shot (no jams, doesnt even try to cycle), but highly accurate. Comprehensive load data for Winchester 296 reloading powder und technical specifications for this propellant. I played with some H110 and had one group with two touching and a flier opening it to an inch. Hodgdon produced the following load data using a 16 barrel with a 1:8 barrel twist rate, Hornady cases trimmed to 1.363, and Remington 7 1/2 Small Rifle Magnum primers. Supersonic loads allow you to use lighter bullets and reach higher muzzle velocities. It is a compressed load and I have read about the dangers of compressing trail boss.. +1; Yup, TB gets really wonky if you compress it. . Since my post back in Jan 2019, I have switched and lil Gun cut the groups in half.Sub sonic. A forum community dedicated to anglers in the Texas area. For this, you will need a powder scale. Seeing the economic potential of the fast-growing firearms industry, Winchester began to assemble investors and secure venture capital, and in 1857 bought a controlling interest in the Volcanic Repeating Arms Company from two inventive gentlemen named Horace Smith and Daniel B. Wesson. = Subsonic Maximum load: 11.0 grains (ca 1100 Fps) = Subsonic Don W. CSR 406-234-0422 www.westernpowders.com If you're unsure, or just want options, check as many boxes as you'd like. Tuning any lower can result in inconsistent burn- aka squib loads- aka projectile in the barrel just waiting to become a KB. I generally use a balance-beam version, as its less expensive, but if youre inclined to spend more money, you can opt for a digital. 12 drop at 150 yd. Winchester 296 is a ball powder developed for large handgun loads. H110/W296 is a great powder for the 300 AAC Blackout however I have found in both of our uppers that it is not a good powder for subsonic loads. Ive read people just up the charge of 1680 but it doesnt seem that great and want to keep that for my subs. It was originally created for Winchester .410 shotgun factory ammo, but found use in 30 Carbine and magnum pistol loads. Communism only made one thing that works, and capitalism can make it even better. This may be ongoing and won't necessarily be complete for a while. The 300 AAC Blackout (300 BLK, or 7.62x35mm) was created by Advanced Armament Corp. and Remington in order to provide the military with a way to shoot .30 caliber bullets from the M4 platform with only a barrel change. It is the factory powder for Winchester 357, 41 and 44 magnums. Vortex to take over customer service and support for the app. The 300 Blackout is frequently available with 200 and 220 grain bullets. Lets explore all this caliber has to offer including an in-depth look at 300 Blackout Ballistics. They are attempting give you the best information out there. We place limited powder inventory for sale on a regular basis on our website. [ETA] QuickLoad says if you want your blackout to go faster, reduce bullet weight (175 gr SMK) and run about 17gr IMR4198. Most quiet but not functional (w/o lighter springing): When it comes to recoil energy, assuming you're using an 8 pound rifle, the Blackout hits you less with 4.3 foot-pounds compared to the AK's 6.34 foot-pounds. Id urge you to do the same. An innovative way to carry your backup gun. 4 0 obj The 300 AAC Blackout Loading Data wasn't listed in the 2016 version because we hadn't received load data for that caliber at the time of the printing. IMR 4227 is a pistol powder with a medium burn rate, primarily intended for use in Magnum pistol and revolver cartridges. A view into a Dillon Precision XL650 progressive reloading press midway through loading some .300 Blackout with 180-grain Rainier Ballistics FP bullets.The .300 Blackout has had a few years to grow now. Please take the time to read the disclaimer below and note that this data was gathered in a bolt action rifle and NOT a semiautomatic rifle. Id probably use one if I had one.As far as powder goes, youll need to find something appropriate for the loads youre intending to make. Since I wasnt trying to build a wildcat 300-221, which is what a modified 300 BLK would effectively be, I went with a standard chamber cut by a Manson Reamer. Powders that cover most 300 BLK projectiles. Load data may show slight variations between 296 and 110, but as I understand it, those differences are from varied batches during testing time with each powder label. LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED. Sign up to get updates and access to exclusive promotions. Instability with 1:8 caused problems with loger cans, bullet maybe wobbling after rifling. Born in Boston in 1810, Winchesters initial foray into business was as a maker of mens shirts. This is the best group achieved with the 300 BLK and 135 SMK at 100 yards. (r.). While subsonic loads are technically possible with W296, you should avoid them because it is too easy to reach dangerous overpressure levels with this powder. What could be the problem with the load in the 16.5 ? INDICATES MAXIMUM LOAD USE CAUTION 300 Blackout Reloading Data An Infamous round created by the Advanced Armament Corp in partnership with Remington in order to allow a .30 caliber to be used with an M4 with nothing more than a barrel exchange. The second of the two tools I find indispensible is a good set of calipers. Want a subsonic load using reloader 7 or h4198? I use a Dillon Precision XL650 and Ive been happy with it.Once you have your press, youre going to need appropriate dies. With the right projectiles and an adequate rifle platform, such loads are ideal for hunting or self-defense. Feeds well in my Hornady progressive press. Why not give JD Jones credit for the development of the 300 Whisper, which AAC tweaked into the 300 AAC Blackout by increasing the length of the chamber throat 0.015 and SAAMI-ed it. The 110 grain Blackout at 2,375 feet per second yields 1,377.4 foot-pounds of muzzle energy to the AK's 1,650.8 at 2,600 feet per second. This cartridge accepts 0.308 bullets, making it a true .30-caliber cartridge for which a wide selection of projectiles ranging from 80 to 250 grains is available. Take your pick. loads were well over the stated FPS in the loading data of 2100 fps. Powders include Winchester, Hodgdon, IMR or 5.56 NATO chamber. Their first model, the TAC21 houses a Remington M700 in an aluminum chassis, [], 308 Winchester Load Development I headed to the range to do some load development for my custom Remington 700 chambered in 308 Winchester with a 22 long barrel (my previous load was a NRA High [], Nightforce B.E.A.S.T. Since you can work with bullets from 110 grain up to 240 grain in both hypersonic and subsonic loads it boasts tremendous, close-range versatility. No over pressure signs were evident in the cases or primers . Pistol SET YOUR SIGHTS ON PISTOL RELOADING DATA Find what you need in four easy steps. The typical range of bullet weights runs from about 110 grains all the way to 240 grains.For brass, you have some options. Vol. This is particularly helpful when loading subsonic ammunition as you can make sure your bullet speeds are still below supersonic velocities but as close as to those velocities as you can get. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. W296 is also viable for reloading .300 Blackout, although it is best suited for supersonic loads only. They instead heavily based their new cartridge on SSK Industries 300 Whisper. 2 0 obj There are also companies converting once fired 5.56 NATO brass (usually with the LC head stamp for Lake City) to .300 Blackout brass. To save a bunch of questions, you may want to add W296 next to H110, with a note that they are the same powder. Most data I have seen specifies small-rifle magnum primers.At some point, you may want to know how fast your .300 Blackout bullets are actually going. http://www.300blktalk.com/forum/viewtopic.php?f=141&t=81553. Note: In the target above, the groups labeled 6.5 123 were shot with a 6.5 Creedmoor and are not relevant to this post. Available in 1 lb., 4 lb. Duane Siercks, Ballistic Technician. The 300 bulk is an underpowered cartridge-on par with theM1 carbine of WWII- but not as easy to wield. I fired these in a Remington 700 at ninety yards without the suppressor attached. 6.5 Creedmoor load development: Sierra 130 grain Tipped MatchKing (TMK) with H4350, Varget, Reloder 15 and Reloader 17, First impressions ofthe Modular Driven Technologies (MDT) HS3 Chassis system. In my Palmetto State Armory 7.5 upper the load functions perfectly ! An optimal powder charge fills up between 90% and 100% of the case, provided it doesnt result in dangerous levels of overpressure. 0. The Best Self Defense Ammo Ballistic Testing, The 300 AAC Blackout delivers ballistic performance comparable to 7.6239, yet possesses a base diameter that optimizes functionality in an AR-type platform. Offcource in case of subsonic 300 BLK, forgot to mention, sorry. I was rather surprised that I received an request to review Win 296 powder. We have the best 296 Winchester Powder For Sale here at Worldly Armory for a very Cheap and Affordable Prices. Now for preparations for 2018 Bear season The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-Winchester%20Powders%20SD. It has since become popular for a wide range of uses including hunting and home defense. Rainier Ballistics has introduced plated 180-grain bullets for subsonic use only. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Winchester 296 is also recommended for 410-bore AA loads. The 300 AAC Blackout is a similar concept to previous wildcats, such as the 30-221 and 300 Fireball, as well as the proprietary 300 Whisper, except that 300 BLK was the first to be a SAAMI approved cartridge and any company is free to make firearms or ammunition. AAC 7.62 Suppressor , Crimp is most important as heavy bullets want to move on recoil in the mag and will cause vertical stringing. The CCI 400s are more than capable of getting a full burn in a 300 BO, and pressure issues are really very minimal in 300 BO because it really is a relatively low pressure load. Wolf Small Rifle Magnum primers. The targets above represent the loads shown in the table. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Close range only. These guns have had mixed success. gallantbullets.com May 3, 2020 #22 Pgohil Well Known Rokslider. However, the 300 Blackouts heavier bullet compensates for its lesser speed to grant it an effective muzzle energy, and its 0.84 greater diameter enables it to inflict a wider wound channel. Such loads tend to deliver more consistent performance, resulting in fewer muzzle velocity variations between each shot. powder: A1680. 1020FPS with last round bolt hold open To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. Certifiable has done some pretty good work on Subsonic powders for both carbine and pistol gas systems. LBT heat treated solids and max charges of 296 are a super penetrator for large dangerous game! Known for its ability to deliver heavy subsonic bullets for standard AR magazines while cycling the action in suppressed applications, it also works well with lighter supersonic loads, offering a similarexternal ballistic performance to the 7.62x39mm Russian (check out my 300 AAC Blackout Review from September 2012). Examining the table above, note the wide range of accuracy, velocity and standard deviation achieved with the different loads. Start load: 9.9 grains (ca 975 Fps). endobj A few manufacturers offer bolt action rifles chambered in the 300 BLK. No reviews found. Although functionally identical to the 300 Whisper, the 300 AAC Blackout is its own SAAMI standardized cartridge. Carbine length gas tube. Accuracy was less than an inch with three shots. Yea, that's right. However, that can be problematic, as the shorter length can also make it easy for a loaded .300 Blackout cartridge to be chambered in a .223 Rem. If youre using an AR-15 or another self-loading platform, the powder charge must also be enough to reliably cycle the action, unless you dont mind transforming your AR-15 into a straight-pull bolt-action rifle. The subsonic will be quieter through a silencer, while the supersonic will obviously carry more energy for tasks such as hunting. One of the benchrest guys I know asked how I liked my 300 BLK rifle. JavaScript is disabled. 300 AAC BLACKOUT (Subsonic Loads) Barrel: 16" Twist: 1-10" Primer: WIN WSR Bullet Diameter: 0.308" Case: REM Max Case Length: 1.368" Trim Length: 1.358" Accurate 1680 Bullet weight: 230 grains. stream Bill Marr For more information, go towww.P65Warnings.ca.gov, I have gotten great results when used to reload 300BK OUT, Love this powder. Onm4>#wgfYcX+x;^!%w Gpho?w3x[:gb@UC8|tKn). Copyright: All Rights Reserved Available Formats Download as PDF, TXT or read online from Scribd Flag for inappropriate content It isnt hard to save yourself roughly a third of the cost of a box if youre used to buying quality ammunition. There's a good reason this companies spend so much time making reloading manuals. 300 BLK Load Data warriorsociologist, I don't currently have any 147s on hand. Joined Feb 16, 2018 Messages 439. If youre only feeding a bolt-action rifle or only slow-firing an AR-15, then a single-stage press, such an RCBS Rock Chucker, will work. If you are planning to reuse your brass, and you should, you will probably want to clean it. 7.3 grains of trail boss seems high even for max charge. Supersonic loads with lighter bullets are suitable for hunting and offer ballistics equivalent to .30-30 Winchester or 7.62x39mm. Avg. There tends to be a lot of newer 300 blk owners, and re-loaders joining lately, and I believe that will continue to grow. You may have a great load that is pushing max and loading from an 8lb keg, and a few years later you buy another keg. I like my custom 300 BLK. Subsonic rounds are particularly suited for use with a suppressed carbine. It is cross-compatible with. IMR 4227, W-296, H-110, or Lil'Gun instead of rifle powders like I expected. Nosler also has a heavyweight offering, in addition to various lighter weight options. All this suppressor talk does not apply to 98per cent of the public. Not sure on charge weight but I know there is plenty info out there at, Those would be first hand from those guys. A handloader using .300 Blackout has less case capacity to experiment with than they would with a full-power rifle cartridge such as .308 Winchester or .30-06 Springfield. For specific loads, there is also information available on Hodgdon Powders website.One thing you may want to decide before reloading .300 Blackout is whether you want to load subsonic ammunition, supersonic ammunition or both. H 4831, 220 gr RN Fed 205 heavy factory crimp, 1050 fps cycles my 16 M4. Most shooters use it in varying capacities from 200 yards or less. Load Data Card - .300 AAC Blackout (7.62x35mm) - AR-15. Geez. Data from a POF 10.5" barrel, 1:7" twist. Copyright Ammotogo.com 2023 All Rights Reserved. Accurate 1680 (AA1680) is a well-known double-base propellant with one of the fastest burn rates available. In 2012, Hodgdon introduced the Copper Fouling Elimination reloading powder line, with the CFE 223. The fast burn rate makes it ideal for use in subsonic loads, producing enough pressure to cycle the action even when pushing the heaviest bullets out of the muzzle. You can purchase factory-new brass made by Hornady or Remington. A value-priced red dot with a full set of features. : 1.831" Powder: 10.3 gr 13.0 gr Vel. In addition, H110 is "the" choice for 410-bore shotgun, especially among . Moderators:gds, bakerjw, renegade, bamachem, Post Firearm: 8.5 CMMG Barrel, H3 heavy buffer, superlative arms adjustable gas block, 30 Cal Kinetic Suppressor. Highly recommended, I reload for my 300 Blackout very clean burning powder and accurate, great for .357, .41, and .44 magnum pistols. Hodgdon H110 is identical to Winchester 296; it is simply sold under a different label. Tipped MatchKing (TMK) REVIEW with IMR 4064, Remington Model Seven (Model 7) Versus The Model 700, Reloading for the Ruger Precision Rifle (RPR) 6.5 Creedmoor, Vang Comp Systems Ghost Ring Sight Installation, DVD Review: Bill Rogers Reactive Pistol Shooting, 223 Remington Load Development: 52, 55, 69 HPBT, Varget and the Ruger American Rifle, Tuffy Security Products Heavy Duty Truck Bed Security Drawer Review, Remington 870 Tritium Rifle Sight Installation, USMC M40A5 Build- Part 1: Gathering the Parts, Re-chambering a barrel: 243 Winchester to 647 Lapua. Oliver Fisher Winchester was an innovative and driven man who saw the future of firearms and built an industrial empire around the lever-action rifle. Another advantage of the .300 Blackout cartridge is its dimensions. Prior to building a custom bolt action rifle in 300 BLK I did a lot of homework on loads and load development. Baton Rouge. Simply telling me I am wrong won't help. Testing both .308 versions of the Speer Gold Dot in 300 Blackout. JP silent spring, 1 1/2 MOA . Case capacity is critical with .300 Blackout. So heavy a bullet conveys a subsonic muzzle velocity and correspondingly softer report. Per the powder manufacturers, we are only able to reprint the data they have provided to us. 1 MOA. Although there are multiple powders suitable for use with .300 Blackout, not all of them may be optimal for either application. A better solution to this problem is to use the .300 Blackout-specific magazines made by D&H Tactical and Magpul.A couplenice-to-have items that are not necessarily required for reloading .300 blackout are a brass tumbler and brass separator. Be the first to share your insights. The two key features that make the 300 BLK excellent for the AR platform, make it difficult to work with in a bolt action rifle; a short case and use of both super and subsonic bullets. by crs7861 Sun Dec 15, 2013 12:25 am, Powered by phpBB Forum Software phpBB Limited. The ability to shoot a wide range of bullets is a mixed blessing. The cartridge shares case-head dimensions and body taper with the .223 Remington. I went back and read my notes. A balance-beam scale used for measuring powder charges. endobj So this is going to be a List of powders that can be used in the 300 blk. Intended primarily for high case capacity, high-power cartridges such as .454 Casull, .475 Linebaugh, and .500 S&W Magnum, it has also been used successfully for decades in certain rifle calibers, such as 7.62x39mm and .300 Blackout. As far as twist rate is concerned,I wanted the flexibility of being able to shoot the light and heavy rounds, so I ordered a custom barrel from Bartlein with a 1:7 twist. Please enter your login details below. In many ways, it is the anti-rifle cartridge. Remember sib sonic loads are only a 100 yd load. Corncob media is fine for most brass. There was a problem loading the comments. Winchester 296 Recipe Source: ALL Alliant Powder Hodgdon Shooters World VihtaVuori Starting Max Source 85 gr RN (Sierra) 0.308" Powder: H110 (Hodgdon) Primer: CCI 400 Case: WIN Trim Length: 1.285" C.O.L. An Instruction/Load data Sheet for the 300 Blackout die set can be purchased through the link below. Ordered 1:7 barrel to another gun, used same loads in exactly same conditions, no issues. The 300 Blackout cartridge is known for providing a wide range of bullet weights and velocities much to the chagrin of bullet drop compensating scope reticle designers. Winchester 296 is also recommended for 410-bore AA loads. Keep in mind that the benchrest crowd, the hot-rodders of this sport, feel the best accuracy is on the edge of stabilization. Rounds were fed from a AICS style 223 magazine from Accurate Mag. It is a beginning and the list will be adjusted and or modified as things progress. Most accurate and functional: 10.0gr AA1680, WSPM @ 2.180 OAL - 1,025 fps. You all show older data in the 300 using lil gun for a load workup option. In a life and death situation-who cares about the noise? VISIT THE RDC BALL POWDER In 1929, the Western Cartridge Company (forerunner of Winchester Ammunition) received U.S. Patent #2,027,114, issued to Western Cartridge as "Manufacture of Smokeless Powders." Thanks, The data is all wrong anyway. Most have reported it will not work for pistol systems either) H110 (subs and supers, however may not function some carbine systems with subs. APP Automatic Processing Press 90951 90933, http://leeprecision.com/300aac-blackout-c-tb.html. Often powders that are way to slow to be used effectively in the 300 blk. These dimensions make caliber conversions of firearms from 5.56/.223 to .300 Blackout relatively easy, only needing a barrel replacement. SD ----- 62 fps Both the 110 gr. Also note when examining published materials you will find a wide range of loads that are deemed safe. It is mankind I have no trust in. The 300 AAC Blackout Loading Data wasn't listed in the 2016 version because we hadn't received load data for that caliber at the time of the printing.