Newbie Question: IMR4198 for 300 AAC Blackout Supersonic, non-SBR loads Although all Ramshot propellants are made in Belgium at the PB Clermont factory, it is a Hodgdon brand, benefitting from the companys decades of experience in smokeless powder manufacturing. The Fora platform includes forum software by XenForo. Well you would be wrong. There's a good reason this companies spend so much time making reloading manuals. NEW: Sierra Bullets .300 AAC Blackout Reloading Data - The Firearm Blog The 300 Blackout's .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 round's. So heavy a bullet conveys a subsonic muzzle velocity and correspondingly softer report. The 5 Best .300 Blackout Powders | invoqe document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); If you guys had bothered to ask people what powder they would like to see lil gun would definitely be on that list. You all show older data in the 300 using lil gun for a load workup option. 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. However, it is listed in the 2017 and later printings. We may receive commissions on purchases from a link. 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. H110 - Hodgdon If you are planning to reuse your brass, and you should, you will probably want to clean it. : 2,293 2,458 Press. Yes, I am a Baptist, and yes I carry a gun. 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. subsonic 300blk. Winchester 296 . The .300 Blackout is an intermediate rifle cartridge, just like 5.56mm NATO and 7.62x39mm. 300 BLK load development: 125, 135, 175 and 220 SMK - rifleshooter.com After investigation, AAC found the 7.6239 cases aggressive taper too extreme for a standard M4 magazine to accommodate. Offcource in case of subsonic 300 BLK, forgot to mention, sorry. H110 is the spherical powder that screams "no wimps, please!", delivering top velocities with great accuracy in 44 Magnum, 454 Casull, 475 Linebaugh and the 460 and 500 S&W magnums. 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. Simply telling me I am wrong won't help. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. Select your cartridge type from the drop-down list. I think 296 and 4227 are the same powders, not 100% sure though. There are different opinions about the need for magnum primers with H110 in 300 BLK. 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. Heavier subsonics can use Hodgdon CFE Black, Winchester 296 and Accurate 1680. On the up side, firing the 300 BLK from a precision rifle is a pleasure. Duane Siercks, Ballistic Technician. 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." VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. In many ways, it is the anti-rifle cartridge. 300 BLK, Cartridge Selection, Reloading There tends to be a lot of newer 300 blk owners, and re-loaders joining lately, and I believe that will continue to grow. 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. Good subsonic loads fired out of a suppressed weapon should be quiet enough that you dont need hearing protection. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Sierra Bullets 300 AAC Blackout Load Data DuPont initially developed the first Improved Military Rifle (IMR) powders between World War I and World War II as miniaturized versions of US artillery extruded propellants. When a certain caliber can range from pushing bullets around 150 grains down range around 2500 feet per second to throwing 245-grain bullets at 950 feet per second, it obviously . Powders for subsonic single shot, bolt action, Lehigh defense 110gr controlled Chaos factory load. It provides similar effectiveness to the 7.6239 or the slightly more powerful 30-30 cartridges except works in the more up-to-date AR15 platform. 300 AAC Blackout is also finding use with hunters, who may not have been able to legally hunt with .223 in their state, and who prefer .30 caliber bullets for medium-sized game. The LGSs by me that carry VV can not get 120. 300 BLK - Powder Coated Bullets with Winchester 296 - YouTube If you choose to load subsonic ammo for an AR-15, some bullet ogives can interfere with first rib in the standard AR magazine, causing the ammo to bind and not feed correctly. Powders that clearly work and have been tested thoroughly be AAC. A view into a Dillon Precision XL650 progressive reloading press midway through loading some .300 Blackout with 180 . 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. No over pressure signs were evident in the cases or primers . Also slight keyholing and groups growing up. This website uses cookies to ensure the best experience possible. Quick Load program is, buy their own admission should NEVER be used over ANY published data. Not sure on charge weight but I know there is plenty info out there at, Those would be first hand from those guys. 12 gr. W296 is also viable for reloading .300 Blackout, although it is best suited for supersonic loads only. In fact hide all tools you value from such people.At some point in the .300-Blackout reloading process, youre going to need to be able to weigh your powder charges. A subsonic 300 Blackout round produces comparatively little muzzle flash in addition to a softer report, making it a fine choice for hunting in nighttime and twilight conditions. It was later followed by CFE Pistol in 2014 and CFE BLK in 2019. Consult appropriate load manuals prior to developing your own handloads. You can purchase factory-new brass made by Hornady or Remington. What could be the problem with the load in the 16.5 ? .300 AAC Blackout - Manufacturer Loading Data Shellholder: Hornady #16 Lee #4 Lyman #26 RCBS #10 Pistol Rifle Cowboy Starting Max Source 100 gr HPCE / OTCE (Lapua) 0.308" Powder: N105 (VihtaVuori) Primer: Small Rifle Case: Lapua Trim Length: 1.362" C.O.L. 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. Reloading .300 Blackout: Must-Have Materials | An Official Journal Of 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. I have seen a few complaints from people with barrels under 10, but better stability was found when switching to a 1-7 twist rate. http://www.300blktalk.com/forum/viewtopic.php?f=141&t=81553. Have experienced some unstability problems with cans and 1:8 barrels with 220 gr sierras. 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. 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. Lets explore all this caliber has to offer including an in-depth look at 300 Blackout Ballistics. It is the factory powder for Winchester 357, 41 and 44 magnums. I have used this program for years and tke it with a very large grain of salt! You MUST have a pistol length gas system. Most accurate and functional: 10.0gr AA1680, WSPM @ 2.180 OAL - 1,025 fps. 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. The best powder for heavy 44 Magnum loads with 300 grain bullets!!! With the right load and A LOT of tuning, the rifle shot well with both supersonic and sub sonic offerings. PDF UBSONIC IFLE LOAD DATA - Hodgdon Winchester 296 is also recommended for 410-bore AA loads. Start load: 9.9 grains (ca 975 Fps). Close range only. At best, a powder charge that is safe to use with the lighter, shorter bullet may make it impossible to seat in the longer, heavier bullet. It is also widely considered to be the powder of choice for .410 bore shotgun shells. 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. While the 300 BLK is easy (and inexpensive) to reload, Remington and AAC recognized that most people are not reloaders. The D&H Tactical magazine on the right shows no such issue with the 180-grain Rainier Ballistics FP, due to having shallower front ribs in the magazine. I am attempting to load both 2-1/2" and 3" Win HS hulls, using WIN WAA410HS wads (NOT the claybuster generic equivalent) and WIN 296/H110 powder. Thats a lot of work already done that I only need to tweak for my rifle, however when I chrono these loads Sierra is pretty much dead on! H110 and W296 what's considered "reduced load"? - Gunloads.com My Hornady 10th edition manual doesn't include it either. The 2017 printing is identified by the gold star on the front cover that states "Revised 2017 New Powders over 37,000 loads". In contrast, a 220-grain bullet ideal for subsonic loads, like Sierra MatchKing 2240, possesses an overall length of roughly 1.49. 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. 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 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). Instability with 1:8 caused problems with loger cans, bullet maybe wobbling after rifling. Early on, the claimed goal was to have ammunition prices on par with the inexpensive .223 Rem. Subsonic Blackout load | Page 2 | Rokslide Forum In contrast, subsonic .300 Blackout is ballistically very close to the Russian 9x39mm, the 2 often being compared to the point that bullet drop data and points of impact are virtually identical from 0 to 200 meters. endobj This is the best group achieved with the 300 BLK and 135 SMK at 100 yards. 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. No reviews found. VAT (where applicable), shipping costs and possible delivery charges. Most shooters use it in varying capacities from 200 yards or less. [ETA] QuickLoad says if you want your blackout to go faster, reduce bullet weight (175 gr SMK) and run about 17gr IMR4198. Copyright 2023 National Rifle Association, Women On Target Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. Hammer Women Of Distinction Award, Women's Wildlife Management / Conservation Scholarship, National Youth Shooting Sports Cooperative Program, 224 Valkyrie Handloading: Working With Different Barrel Twist Rates, SHOT Show 2018: Daniel Defense V7P AR Pistol, Four Improved AR-15 Trigger Sets Under $100, First Look: B&T USA SPR300 PRO in .300 BLK, New: Magpul Enhanced Selector Kit For AR-Pattern Firearms | An NRA Shooting Sports Journal, First Look: Bersa BAR AR-15 | An Official Journal Of The NRA, Handloading The .223 Rem. They first looked to the 7.6239 for inspiration. If you wish to run the 235gr Lee supersonic it will be fine but subsonic you should choose a different powder. Wolf Small Rifle Magnum primers. Thanks, The data is all wrong anyway. We are currently populating the cartridge drop-down menu with updated cartridge renderings, new propellants and bullets, and links to complimentary product pages. Alliant Power Pro 300-MP Lake City Federal 205 17.1 1866 19.2 Winchester 296 Lake City Federal 205 16.7 1894 18.4 Ramshot Enforcer Lake City Federal 205 15.4 1839 17.2 IMR 4227 Lake City Federal 205 16.7 1823 18.5 C Accurate 5744 Lake City Federal 205 17.5 1829 18.7 C Vihtavuori N110 Lake City Federal 205 15.0 1830 16.5 C You might think I carry a gun because I don't trust God. Ive read people just up the charge of 1680 but it doesnt seem that great and want to keep that for my subs. Handloading, also called reloading, is more than just a wonderful hobby for gun owners. 152. The cleaner your brass is, the longer your dies will last, especially if that brass has been in the dirt at all. Hodgdon LiL' Gun now useless? | Ruger Forum