Bullets for the .300 Blackout are where things can also get interesting. LBT heat treated solids and max charges of 296 are a super penetrator for large dangerous game! In my 16.5, X95 Sierra 220 grain RN with 11.2 grains of H110 WILL NOT cycle. Winchester 296 . We do not take backorders and our Tech Services team cannot take orders via email or phone. Find load data for Winchester 296 propellant by clicking the button "Loads for this Powder".More about this powder:Wincheste. You find load data for cartridges in caliber .300 AAC Blackout with all common powders and bullets by clicking the "Loads in this caliber" button above. The rifle, as pictured above, includes the following parts fromBrownells: For testing and evaluation purposes, I used 125, 135, 175 and 220 grain Sierra MatchKings (left to right in photo below) over H110 and IMR 4227 powders. Joined Feb 16, 2018 Messages 439. 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. It was easy to establish, reliable, repeatable results. I use it for my 220gr subsonic 300 blk loads. A balance-beam scale used for measuring powder charges. IMR 4227 is a pistol powder with a medium burn rate, primarily intended for use in Magnum pistol and revolver cartridges. Some of the other guys may back me up on this, I haven't found any supersonic loads that don't deliver at least one inch groups in the Blackout but the subs are a different story. I'm loading .300 Blackout with 230gr bullets. Runs with or without a suppressor. It has since become popular for a wide range of uses including hunting and home defense. containers. Optimal performance with supersonic loads is generally achieved with 100- to 130-grain projectiles, while good subsonic loads are achievable with 190- to 240-grain bullets. Sierra Bullets 300 AAC Blackout Load Data, NEW: Sierra Bullets .300 AAC Blackout Reloading Data - AK Arms, NEW: Sierra Bullets .300 AAC Blackout Reloading Data | Firearms Life. Born in Boston in 1810, Winchesters initial foray into business was as a maker of mens shirts. Supersonic loads allow you to use lighter bullets and reach higher muzzle velocities. Most quiet but not functional (w/o lighter springing): Besides the cost-saving advantages, handloading is also a way to tune your ammunition to your .300 Blackout rifles so that it performs with the best accuracy and reliability possible. Powders that cover most 300 BLK projectiles. x}% 9 V/@]Jz$Y-l7 m1#`2A2*tTfn2+O~W|S/_^Se=~oL/Ooh}k4m{zc{>{!w-77cz-Nnxo#j~_~t{pt/c|~z'Gc;2`gk)i,0 1cOh||z>3z L`];H\Gwyb^z-_.oWlw}E> Also note when examining published materials you will find a wide range of loads that are deemed safe. This will not be for specific loads, although some may be listed, but will be broken down for supersonic powders, subsonic powders, powders that work for both, as well subsonic powders for bolt action and single shot, and may be broken down more as things progress. Rifle Data Rifle Data Here you will find load data for some of the most recent cartridges on the market, with more being added each week. The .300 Blackout has become very popular in recent years, and this is due in part to the cartridges high versatility. If you are using heavily soiled range-pickup brass, youll need the more aggressive walnut-hull media.All in all, youll have some upfront costs but if you shoot a lot of .300 Blackout, youll find the break even point in short order. Testing both .308 versions of the Speer Gold Dot in 300 Blackout. These guns have had mixed success. Loading 300 Blackout - ep 10 - First subsonic test loads with Palmetto Projectiles Function and velocity testing with Winchester 296 Advanced Armament Corporation began developing a .30 caliber subsonic cartridge optimized for the M4 platform in 2009. February 15, 2022. A .300 Blackout rifle loaded with subsonic ammunition and fitted with a suppressor is truly silenced; the firearms loudest element is the bolt going home with every shot. 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. containers. A supersonic 300 Blackout round with a 110 grain bullet has a muzzle velocity approximately 1,000 fps slower than that of a 223 Rem, giving it a significantly faster bullet drop. Well you would be wrong. Very versatile. If you wish to run the 235gr Lee supersonic it will be fine but subsonic you should choose a different powder. I have a 16 bbl. . RL-7 seems to work somewhat with subsonic loads in Carbine (which will work for pistol) gas systems with maybe a few bolt hold open (BHO) issues but that may not bother too many. Cartridge Filter By Bullet Weight Powder Type At this point, I will say, Im not a fan of plastic calipers, as the material involved is just too prone to damage, and Ive always been skeptical of their accuracy. 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." Vortex to take over customer service and support for the app. When we are sold out, we are sold out. 9.0, 10.0 grains Hodgdon H-110 powder (See chronograph data below) 2.230 COL (2.260 is max for AR-15) Use load data at your own risk. 7. Winchester 296 is also recommended for 410-bore AA loads. As far as the other machines, I would stick to what they recommend.One of two tools I find indispensible, not including those for making necessary die and press adjustments is a case gauge. 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. Cycles better than anything. 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. load data. Groups were 5 shots (unless otherwise indicated) at 100 yards. Sign up to get updates and access to exclusive promotions. This data is intended for subsonic use in firearms with barrel twist rates appropriate to stabilize the bullets listed. In ill health for some time, Oliver F. Winchester died December 11, 1880 at age 70 in New Haven, Connecticut. AAC 7.62 Suppressor , Crimp is most important as heavy bullets want to move on recoil in the mag and will cause vertical stringing. However, it is listed in the 2017 and later printings. We have the best 296 Winchester Powder For Sale here at Worldly Armory for a very Cheap and Affordable Prices. 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" . In many ways, it is the anti-rifle cartridge. I worked up a load and settled at 9.8gr of 296 which turns out to be an exact load listed by Winchester on their load data website. Free shipping for all bulk orders. This I usually get from GI Brass Locker, though there are other sources out there.Primers will be whatever is prescribed in the load data that you obtain. We place limited powder inventory for sale on a regular basis on our website. Consult appropriate load manuals prior to developing your own handloads. It is a beginning and the list will be adjusted and or modified as things progress. With the right projectiles and an adequate rifle platform, such loads are ideal for hunting or self-defense. No over pressure signs were evident in the cases or primers . --2195 fps. I plan on doing more work with it and reporting back in the future. My TSAR 11.5 upper is flawless so far. The twist rate needed to accommodate the heavy subsonic bullets makes finding accurate super sonic loads difficult. To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. Since my post back in Jan 2019, I have switched and lil Gun cut the groups in half.Sub sonic. They are only safe in the rifle shown and may not be safe in yours. 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. Quick Load program is, buy their own admission should NEVER be used over ANY published data. 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. Instability with 1:8 caused problems with loger cans, bullet maybe wobbling after rifling. IMR propellants have long been used to manufacture US military service ammunition, such as .30-06 M2 Ball (IMR 4895) or 7.62mm NATO M61 AP (IMR 4475). IMR4198 approx. Have experienced some unstability problems with cans and 1:8 barrels with 220 gr sierras. It set the standard. 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. Such loads tend to deliver more consistent performance, resulting in fewer muzzle velocity variations between each shot. Data from a POF 10.5" barrel, 1:7" twist. It doesnt have to be fast or super accurate, just looking for a cheap plinking round, Lil gun will work for you. I have complete faith in my Lord. Avg. Any thoughts? 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. Nosler specifies a Winchester standard rifle primer. A typical 125-grain bullet for supersonic loads, such as a Sierra MatchKing 2121, has an overall length of approximately 1.18. 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. There is not much load data for this powder so I had to work up my own. Such large projectiles convey a subsonic muzzle velocity that is accompanied by a quiet report. Rounds were fed from a AICS style 223 magazine from Accurate Mag. Winchester 296 is a ball powder developed for large handgun loads. Although functionally identical to the 300 Whisper, the 300 AAC Blackout is its own SAAMI standardized cartridge. You have a number of options. Restrictions placed on us by the powder manufacturers do not allow us to email any load data. Ultimate Reloader is not responsible for errors in load data on this website. I like my custom 300 BLK. 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. On some guns, the short case can simply snap out from under the extractor if using a constant tension spring type ejector. Accuracy was less than an inch with three shots. If you are planning to reuse your brass, and you should, you will probably want to clean it. I found some commercial manufactures (mostly off the record) either discontinued bolt guns in 300 BLK, pulled them from the market after the product was announced, or declined to introduce them due to accuracy and feeding concerns. If you want cheap, youre looking at having to buy remanufactured ammunition, which can sometimes be of questionable quality. Where 180-grain subsonics are concerned, so far Ive had good luck with Reloder 7. 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. 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. 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. I have used this program for years and tke it with a very large grain of salt! A subsonic load requires a powder that will launch your bullet at a muzzle velocity under the speed of sound (1,125 ft/s) with sufficient downrange accuracy. 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. The 1:7 twist worked fairly well with the heavier, 220 SMKs, with groups ranging from 1.082-1.477 MOA. Anecdotal accounts from other shooters indicated this would provide the best accuracy with the 220 grain Sierra MatchKing (SMK). Amp up your AK with these exciting accessories. : Vihtavuori 100 gr HPCE / OTCE 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). 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. Tuning any lower can result in inconsistent burn- aka squib loads- aka projectile in the barrel just waiting to become a KB. The following has published data for both 220gr and 125 gr bullets for the 300 blackout Winchester 296, IMR 4227, H110, and Lil' gun. The two key features that make the 300 BLK excellent for the AR platform, make it difficult to work with ina bolt action rifle; a short case and use of both super and subsonic bullets. Another option is to load your own. And i thought i was the only who ever tried sr4759. : 1,867 2,110 Press. Pistol ammo loads with H110 call for magnum primers.

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