winchester 296 300 blackout load datawho is susie wargin married to

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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. AR-platform rifles optimized to run subsonic 300 Blackout tend to fire supersonic ammo poorly. 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. 5-2556 Review The needs of the various shooting disciplines differ greatly. 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. Reviews can only be submitted while being logged in. When I purchased my Super Blackhawk, the first powder I chose was WW296. Runs with or without a suppressor. So how does everyone find the stability of the heavier projectiles with the 1-8 twist rate? Please help us to improve and report any suggestions via our contact form. Close range only. We place limited powder inventory for sale on a regular basis on our website. and 8 lb. My Start load was 16.5 grains and showed no pressure. 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. With the right load and A LOT of tuning, the rifle shot well with both supersonic and sub sonic offerings. Handloading, also called reloading, is more than just a wonderful hobby for gun owners. Testing both .308 versions of the Speer Gold Dot in 300 Blackout. Get the invoqe newsletter for similar stories delivered straight to your inbox. 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. Converting an AR-15 to fire 300 Blackout is as simple as swapping its barrel. %PDF-1.5 Plenty of nice loads available for many components. As Im sure you noticed, some powders handle a fairly wide variety of bullet weights. So heavy a bullet conveys a subsonic muzzle velocity and correspondingly softer report. Hand load data for reloading .300Blk using projectiles from 110 grains to 230 grains with appropriate smokeless powders from Hodgdon, IMR & Winchester. Often powders that are way to slow to be used effectively in the 300 blk. Ramshot Enforcer is a high-performance, double-base spherical propellant intended for high-power handgun revolver cartridges, such as .44 Magnum, .454 Casull, or .500 Magnum. 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. It is the factory powder for Winchester 357, 41 and 44 magnums. The following are loads that Lehigh Defense recommends for the 194gr ME bullet. I haven't had much luck with Trail Boss in the Blackout for what it's worth. 1 pound. powder: A1680. 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 Ramshot Enforcer is also usable as a high-performance powder for .300 Blackout supersonic loads, ideal for projectiles ranging between 110 and 155 grains. The 2017 printing is identified by the gold star on the front cover that states "Revised 2017 New Powders over 37,000 loads". Never seen that with 1:7 rifling twist. While the 300 BLK is easy (and inexpensive) to reload, Remington and AAC recognized that most people are not reloaders. I was at Cabelas flipping through several reloading manuals and could not find 147 gr. The .300 Blackout is an intermediate rifle cartridge, just like 5.56mm NATO and 7.62x39mm. 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. Copyright Ammotogo.com 2023 All Rights Reserved. A critical marksmanship skill that is easy to overlook. 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. However, it is listed in the 2017 and later printings. They instead heavily based their new cartridge on SSK Industries 300 Whisper. Subscribe to the free newsletter and do not miss any news or promotions. Powders for subsonic single shot, bolt action, Lehigh defense 110gr controlled Chaos factory load. Such loads tend to deliver more consistent performance, resulting in fewer muzzle velocity variations between each shot. Caution is warranted here. For a better experience, please enable JavaScript in your browser before proceeding. : Vihtavuori 100 gr HPCE / OTCE Thats a 16: bbl. After investigation, AAC found the 7.6239 cases aggressive taper too extreme for a standard M4 magazine to accommodate. 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. Sierra 180Grain match king projo, 12.2 grains of powder. Joined Feb 16, 2018 Messages 439. = Subsonic Maximum load: 11.0 grains (ca 1100 Fps) = Subsonic Don W. CSR 406-234-0422 www.westernpowders.com To reload your own .300 Blackout, there are some must-have tools needed to make high-quality handloads.Before you embark on this, assuming you havent already, you should probably find a reloading manual and get familiar with the process of reloading your own ammunition as well as finding the load data youre going to need. 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 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. endobj by rjacobs Sat Dec 14, 2013 4:27 pm, Post Restrictions placed on us by the powder manufacturers do not allow us to email any load data. Smart and safe loader will back off the load and work it back up simply due to powder age and lot variation. Good subsonic loads fired out of a suppressed weapon should be quiet enough that you dont need hearing protection. The part is free, you are just responsible for any applicable taxes and Shipping/Handling. You can purchase factory-new brass made by Hornady or Remington. Ive seen somewhat large quantities of ammo loaded on a single stage, but it is time-consuming and sometimes involves bribing children to do things like checking it all in a case gauge (be sure to check your states child labor laws). Size -- Quantity He deserves NOTHING and would tax the IRS if he could do it. 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. Digital calipers are typically cheaper than equivalent-quality dial calipers. It set the standard. Also slight keyholing and groups growing up. IMR 4227 is a pistol powder with a medium burn rate, primarily intended for use in Magnum pistol and revolver cartridges. Offcource in case of subsonic 300 BLK, forgot to mention, sorry. 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" . 180 grain rainier wedges cycled with 11ish grains of IMR4198 out of my PSA 10.5in suppressed with Syrac Ordinance adjustable gas block. While the powder formulas are identical, the chrono testing is likely from different production lots. Thank you. 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. Winchester 296 is also recommended for 410-bore AA loads. An ideal solution for loading 357 Magnum, 44 Magnum, and even 410-bore shotshell ammunition, its high loading density provides optimal velocity. 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. 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. An innovative way to carry your backup gun. Bill Marr 300 Blackout - 150gr Speer Gold Dots. Factory reloading info from Hodgdon's website as of Spring 2015. To save a bunch of questions, you may want to add W296 next to H110, with a note that they are the same powder. It was originally created for Winchester .410 shotgun factory ammo, but found use in 30 Carbine and magnum pistol loads. endobj In 2012, Hodgdon introduced the Copper Fouling Elimination reloading powder line, with the CFE 223. It is extremely easy to convert an AR-15 to fire 300 Blackout ammunition, and the rounds ballistic performance is different enough to justify purchasing the barrel necessary to do so. Heavier subsonics can use Hodgdon CFE Black, Winchester 296 and Accurate 1680. Duane Siercks, Ballistic Technician. 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. This data is intended for subsonic use in firearms with barrel twist rates appropriate to stabilize the bullets listed. All CFE powders are double-base, spherical propellants designed to perform 2 tasks: For example, CFE-223 is optimized for .223 Remington, CFE Pistol is best suited for commonly-used pistol cartridges (9x19mm, .45 ACP) CFE-BLK is designed for .300 Blackout. loads were well over the stated FPS in the loading data of 2100 fps. powder coated cast bullet made with NOE bullet mold TL310-225-RN, lead hardness at 24bhn, sized to 0.310". or 5.56 NATO chamber. SD ----- 62 fps Both the 110 gr. 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. Come join the discussion about fishing guides, bait, safety, gear, tackle, tips, reviews, accessories, classifieds, and more! Cycles better than anything. Powders that have been tested and tried by others. There are offerings from Sierra with one of the notables being their 220-grain MatchKing. Early on, the claimed goal was to have ammunition prices on par with the inexpensive .223 Rem. A Nosler 125 gr. . Works good for 357 mag, achieves expected 1200+ fps. Comprehensive load data for Winchester 296 reloading powder und technical specifications for this propellant. Hodgdon reports that they are the identical powder under different labels.??? Scroll right to see energy, drop and coefficient data. The case manufacturer, Nosler or Jagemann (JAG), is listed on the table below. <>>> <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 792 612] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 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. It is a classic reloading powder that should be on the shelves of any handloading enthusiast. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. Winchester 296 Ball Powder. Advanced Armament Corporation began developing a .30 caliber subsonic cartridge optimized for the M4 platform in 2009. 10 Best Handguns for Beginners and Home Defense, The Best Concealed Carry Holsters in 2022, Best Shotgun Mini Shells: Birdshot, Buckshot & Slugs, 8 Best AR-15 Ammo for Self Defense & Range, 5 Best Places to Buy Cheap 50 Cal BMG Ammo Online, 17.4-grain charge Muzzle velocity: 1,885 ft/s Muzzle energy: 1,025 ft-lbf Chamber pressure: 38,700 psi, 19.4-grain charge (compressed) Muzzle velocity: 2,062 ft/s Muzzle energy: 1,227 ft-lbf Chamber pressure: 49,000 psi, 15.6-grain charge Muzzle velocity: 1683 ft/s Muzzle energy: 943 ft-lbf Chamber pressure: 34,500 psi, 17.8-grain charge Muzzle velocity: 1,899 ft/s Muzzle energy: 1,201 ft-lbf Chamber pressure: 48,700 psi, 10.4-grain charge (compressed) Muzzle velocity: 1,056 ft/s Muzzle energy: 470 ft-lbf Chamber pressure: 29,100 psi, 10.1-grain charge Muzzle velocity: 1,044 ft/s Muzzle energy: 532 ft-lbf Chamber pressure: 26,700 psi, 19.0-grain charge Muzzle velocity: 1,866 ft/s Muzzle energy: 967 ft-lbf Chamber pressure: 23,700 psi, 20.0-grain charge (compressed) Muzzle velocity: 1,945 ft/s Muzzle energy: 1,050 ft-lbf Chamber pressure: 26,500 psi, 19.0-grain charge Muzzle velocity: 1,895 ft/s Muzzle energy: 1,077 ft-lbf Chamber pressure: 24,600 psi, 22.5-grain charge (compressed) Muzzle velocity: 2,090 ft/s Muzzle energy: 1,310 ft-lbf Chamber pressure: 37,000 psi, 11.6-grain charge (compressed) Muzzle velocity: 1,041 ft/s Muzzle energy: 501 ft-lbf Chamber pressure: 13,400 psi, 11.3-grain charge (compressed) Muzzle velocity: 1,045 ft/s Muzzle energy: 558 ft-lbf Chamber pressure: 20,000 psi, 19.5-grain charge Muzzle velocity: 1,877 ft/s Muzzle energy: 1,174 ft-lbf, 21.7-grain charge Muzzle velocity: 2,057 ft/s Muzzle energy: 1,410 ft-lbf Chamber pressure: 54,564 psi, 10.9-grain charge Muzzle velocity: 1,089 ft/s Muzzle energy: 553 ft-lbf, 18.4-grain charge Muzzle velocity: 2,191 ft/s Muzzle energy: 1,173 ft-lbf Chamber pressure: 38,900 psi, 21.7-grain charge Muzzle velocity: 2,286 ft/s Muzzle energy: 1,277 ft-lbf Chamber pressure: 48,400 psi, 15.7-grain charge Muzzle velocity: 1,921 ft/s Muzzle energy: 1,024 ft-lbf Chamber pressure: 32,400 psi, 18.5-grain charge (compressed) Muzzle velocity: 2,205 ft/s Muzzle energy: 1,350 ft-lbf Chamber pressure: 52,500 psi, 17.4-grain charge Muzzle velocity: 2,182 ft/s Muzzle energy: 1,163 ft-lbf, 19.3-grain charge Muzzle velocity: 2,362 ft/s Muzzle energy: 1,363 ft-lbf Chamber pressure: 54,472 psi, 17.5-grain charge Muzzle velocity: 2,182 ft/s Muzzle energy: 1,322 ft-lbf, 19.4-grain charge Muzzle velocity: 2,358 ft/s Muzzle energy: 1,544 ft-lbf Chamber pressure: 54,293 psi, Reducing copper fouling in the barrel even after high volumes of fire. 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. 1 MOA. The best 5 shot group was .334 MOA while the worst was 3.787 MOA! Winchester 296 is also recommended for 410-bore AA loads. Selected this powder based on recommendations that it was good for .410 reloading. : 2,293 2,458 Press. 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. (296 and H110 are verified the exact same powder, just marketed under two different brand names.) Dillons dies for their machines can be pricey, but the company also generally uses a carbide sizing die. Pistol ammo loads with H110 call for magnum primers. Rounds were fed from a AICS style 223 magazine from Accurate Mag. East Central. 2 0 obj Check out the hodgdon site http://data.hodgdon.com/cartridge_load.asp More posts from r/reloading 74K subscribers SevereNameAnxiety 27 days ago So I met and befriended the guy that runs the local pd range. You all show older data in the 300 using lil gun for a load workup option. An ideal solution for loading 357 Magnum, 44 Magnum, and even 410-bore shotshell ammunition, its high loading density provides optimal velocity. Corncob media is fine for most brass. 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. Another option is to load your own. Case capacity is critical with .300 Blackout. Converting an AR-15 to fire 300 Blackout is as simple as swapping its barrel. 300 BLK Load Data warriorsociologist, I don't currently have any 147s on hand. BTW, small standard rifle primers are nearly identical to small magnum pistol primers .. about the same mix and cup thickness. 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. In ill health for some time, Oliver F. Winchester died December 11, 1880 at age 70 in New Haven, Connecticut. To clean your brass, you need a vibratory polisher/tumbler, polishing media and brass separator. 1/8 twist. <> They are a lot more economical for plinking than spending the money on the Sierras. Most quiet but not functional (w/o lighter springing): It is a versatile chambering, capable of accepting a wide range of .30-caliber projectiles. Create a free website or blog at WordPress.com. LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED. 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. Anecdotal accounts from other shooters indicated this would provide the best accuracy with the 220 grain Sierra MatchKing (SMK). Take your pick. This could be Hodgdon H110, Hodgdon CFE Black, Accurate 1680, Reloder 7 or a variety of others. 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. Nosler BT 19 grs. You'll either spend less or shoot more. 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. Loading 300 Blackout - ep 10 - First subsonic test loads with Palmetto Projectiles Function and velocity testing with Winchester 296 However, nowadays, inexpensive, big-name mass-produced .300 Blackout is harder to find. $ 39.99. Ive been using Modular Driven Technologies Chassis systems for nearly four years. The cartridge shares case-head dimensions and body taper with the .223 Remington. Very versatile. Winchester 296 is a ball powder developed for large handgun loads. In addition, H110 is "the" choice for 410-bore shotgun, especially among . There was a problem loading the comments. He is a greedy old has been who would have let this cartridge perish. Again, if youre using .300 Blackout ammo in a gas-operated, semi-automatic rifle, youll have less flexibility in powder, since the gun needs enough gas to cycle reliably. We were even close for a short time. I know, how about the virtues of a bow or crossbow? The chief difficulty in accurately firing 300 Blackout comes from learning to accommodate its pronounced bullet drop. Select your cartridge type from the drop-down list. 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. If you want cheap, youre looking at having to buy remanufactured ammunition, which can sometimes be of questionable quality. of H-110 as a supersonic loading. 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. I like the topic, good initiative on consolidating info for the new comers. In many ways, it is the anti-rifle cartridge. New Starline 300 Blackout Cases. The 300 Blackouts recoil is not significantly different from the 5.5645, and its price isnt prohibitively higher. Have experienced some unstability problems with cans and 1:8 barrels with 220 gr sierras. 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. Nosler also has a heavyweight offering, in addition to various lighter weight options. 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. Is that obsolete now, or not recommended. works like a charm. Groups were 5 shots (unless otherwise indicated) at 100 yards. Winchester - Legendary Powders RELOADING DATA CENTER ALL THE LOAD DATA YOU'LL EVER NEED ALL IN ONE PLACE! 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. We do not take backorders and our Tech Services team cannot take orders via email or phone. Now I use the 296 only for my S&W 460. containers. Hodgdon H110 is identical to Winchester 296; it is simply sold under a different label. Remember sib sonic loads are only a 100 yd load. I explained to him he wouldnt really have a 300 BLK anymore. 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. Either way, I think we can all agree both are good. Be sure to store them away from anyone you think may try to use them in place of a crescent wrench. 3 0 obj . The cleaner your brass is, the longer your dies will last, especially if that brass has been in the dirt at all. 12 gr. June 1, 2016 We are currently populating the cartridge drop-down menu with updated cartridge renderings, new propellants and bullets, and links to complimentary product pages. Second stupidly and even dangerously compressed loads 220 g round nose / 9.9 g H110 cycles 8.5 and 16 barrels no issues. Although they are more recently developed cartridges, lots of people love lil' gun in 460 Magnum and in the rifle cartridges 300 Blackout and 450 Bushmaster. Relative Brun Rate: If you folks want really figures use quick loadthis data and noslers data is bogus. The second of the two tools I find indispensible is a good set of calipers. Other companies, such as Hornady, also have a variety of projectiles available ranging from light to heavy weight for the caliber. % However, it is listed in the 2017 and later printings. It was easy to establish, reliable, repeatable results. These guns have had mixed success. For reloading information:WARNING: The loads shown are for informational purposes only. W296 is also viable for reloading .300 Blackout, although it is best suited for supersonic loads only. gallantbullets.com May 3, 2020 #22 Pgohil Well Known Rokslider. Instability with 1:8 caused problems with loger cans, bullet maybe wobbling after rifling. Today, IMR is a trademark of the IMR Powder Company, a Hodgdon brand. In contrast, a 220-grain bullet ideal for subsonic loads, like Sierra MatchKing 2240, possesses an overall length of roughly 1.49. Whereas the fixed distance competition shooter may be fine with higher magnification and precise .125 MOA adjustments, the military/law enforcement/tactical shooter is []. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some people have chosen to load their ammo shorter to remedy this. Pingback: NEW: Sierra Bullets .300 AAC Blackout Reloading Data - AK Arms, Pingback: NEW: Sierra Bullets .300 AAC Blackout Reloading Data | Firearms Life, They should. containers. An ideal solution for loading 357 Magnum, 44 Magnum, and even 410-bore shotshell ammunition, its high loading density provides optimal velocity. 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. 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. I have a 16 bbl. Never miss a post! No over pressure signs were evident in the cases or primers . Ive seen published load data with N120 as well. stream The Rainier Ballistics bullets come in a wedge or a hollowpoint offering. 152. Hodgdon's load data for H4189, H110, Lil-Gun powders (not that I'm using those powders) with A-Max 208's actually lists 2.26" as the OAL which is the max SAAMI spec. 300 Blackout 220 GR SIE HPBT Winchester 296 .308" 2.260" . 4 0 obj 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! select rifle cartridge and then 300 AAC Blackout Lists loads using: IMR 4227 (subs and supers) W296 (subs and supers, however may not function some carbine systems with subs.

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