winchester 296 300 blackout load data

Load Data Card - .300 AAC Blackout (7.62x35mm) - AR-15. as well as finding the load data you're going to need. There was a problem loading the comments. 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. Does Lee offer a Powder Thru Expanding Die for the 300 AAC Blackout. If you need greater amounts of ammo, you may want to look at a turret or progressive press. LBT heat treated solids and max charges of 296 are a super penetrator for large dangerous game! Oal 2.260 8.7 grains. Be the first to share your insights. Address: xxl-reloading.com, Gartenweg 9, 83661 Lenggries, Germany. An ideal solution for loading 357 Magnum, 44 Magnum, and even 410-bore shotshell ammunition, its high loading density provides optimal velocity. Although there are multiple powders suitable for use with .300 Blackout, not all of them may be optimal for either application. The 300 Blackout would never see mainstream military use, although it became popular in the civilian shooter market. IMR 4227 is suitable for supersonic and subsonic loads. 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. 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. These seemingly small differences are significant. All shooting was done prone, from a bipod with rear bag. There tends to be a lot of newer 300 blk owners, and re-loaders joining lately, and I believe that will continue to grow. Create a free website or blog at WordPress.com. Come join the discussion about fishing guides, bait, safety, gear, tackle, tips, reviews, accessories, classifieds, and more! There is not much load data for this powder so I had to work up my own. Winchester - Legendary Powders RELOADING DATA CENTER ALL THE LOAD DATA YOU'LL EVER NEED ALL IN ONE PLACE! Start load: 9.9 grains (ca 975 Fps). There are offerings from Sierra with one of the notables being their 220-grain MatchKing. These guns have had mixed success. 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. 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. : 26,000 34,800 CUP Hodgdon 85 gr RN (Sierra) 0.308" Powder: H4227 (Hodgdon) Joined Feb 16, 2018 Messages 439. I have some other common pistol powders like lil gun, bullseye, and titegroup but would like to hear what you guys use for the 147 pills. A few manufacturers offer bolt action rifles chambered in the 300 BLK. velocities averaging 1,040fps in most 16" guns using the 194gr ME bullet, Federal small rifle primer, and 2.200" COL: Powders For the 300 blk. Winchester 296 is a ball powder developed for large handgun loads. Thanks, The data is all wrong anyway. * All prices incl. 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. The gun doesnt move, there is even less recoil than an AR because you dont have the mass of the bolt carrier reciprocating in the rifle. Data from a POF 10.5" barrel, 1:7" twist. The low case capacity requires the use of powders with a fast burn rate like H110 and IMR 4227. Required fields are marked *. Such loads tend to deliver more consistent performance, resulting in fewer muzzle velocity variations between each shot. 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. 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. It was later followed by CFE Pistol in 2014 and CFE BLK in 2019. 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. Most shooters use it in varying capacities from 200 yards or less. I'm loading .300 Blackout with 230gr bullets. We may receive commissions on purchases from a link. Baton Rouge. by Merlin1274 Sat Dec 14, 2013 10:38 pm, Post You might think I carry a gun because I don't trust God. The target was a 2 orange dot printed on paper. If, you are wanting to use 4198 for driving a .223, then that is a different story. This is the only powder I have used in my 44 Magnum ever since. I use it for my 220gr subsonic 300 blk loads. The .300 Blackout is an intermediate rifle cartridge, just like 5.56mm NATO and 7.62x39mm. I played with some H110 and had one group with two touching and a flier opening it to an inch. Amp up your AK with these exciting accessories. Instability with 1:8 caused problems with loger cans, bullet maybe wobbling after rifling. Find load data for Winchester 296 propellant by clicking the button "Loads for this Powder".More about this powder:Wincheste. Get the invoqe newsletter for similar stories delivered straight to your inbox. New Starline 300 Blackout Cases. 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. When I purchased my Super Blackhawk, the first powder I chose was WW296. Links to published Data added. You have a number of options. 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. 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. I understand why the 300 BLK caught on in the AR and I also understand why didnt take off as much in the bolt guns. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The cartridge shares case-head dimensions and body taper with the .223 Remington. These guns have had mixed success. 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! As Im sure you noticed, some powders handle a fairly wide variety of bullet weights. 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" . 20 gr will drive 55 gr to 62 gr .223 rounds OK. Peruse the Hodgdon Online data files and see for yourself. Most of the reloading manuals show lower data, I suspect this is related to the wide variety of ways to form brass for the cartridge and how that may cause an increase in pressures. It was originally created for Winchester .410 shotgun factory ammo, but found use in 30 Carbine and magnum pistol loads. 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. 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. A Nosler 125 gr. 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. All .300 Blackout rifles can shoot either subsonic or supersonic with no additional changes or accessories, the only difference being in the ammunition. 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. A balance-beam scale used for measuring powder charges. We were even close for a short time. Runs with or without a suppressor. Depending on the weight and length of the bullet selected, the amount of space available inside the case may change dramatically. A critical marksmanship skill that is easy to overlook. 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. 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. Comprehensive load data for Winchester 296 reloading powder und technical specifications for this propellant. Not sure on charge weight but I know there is plenty info out there at, Those would be first hand from those guys. With the right projectiles and an adequate rifle platform, such loads are ideal for hunting or self-defense. 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. However, it is listed in the 2017 and later printings. 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. They instead heavily based their new cartridge on SSK Industries 300 Whisper. We have the best 296 Winchester Powder For Sale here at Worldly Armory for a very Cheap and Affordable Prices. June 1, 2016 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. and 5.56 NATO loads. : 2,293 2,458 Press. Then select your bullet weight, powder manufacturer and powder type. 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. In my 16.5, X95 Sierra 220 grain RN with 11.2 grains of H110 WILL NOT cycle. 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 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. W296 is also viable for reloading .300 Blackout, although it is best suited for supersonic loads only. Eventually, they got their own 300 Blackout cartridge SAAMI approved in 2011. I dont recommend deviating from this for safety reasons. works like a charm. IMR 4227, W-296, H-110, or Lil'Gun instead of rifle powders like I expected. It has since become popular for a wide range of uses including hunting and home defense. Hogdon H110 isn't bad according to Foghorn (who graciously loaned . In my Palmetto State Armory 7.5 upper the load functions perfectly ! Winchester continued to refine firearm designs with inventors Benjamin Tyler Henry and Nelson King, and on May 22,1866 the Winchester Repeating Arms Company was born. After investigation, AAC found the 7.6239 cases aggressive taper too extreme for a standard M4 magazine to accommodate. I explained to him he wouldnt really have a 300 BLK anymore. It is mankind I have no trust in. What could be the problem with the load in the 16.5 ? The .300 Blackout has become very popular in recent years, and this is due in part to the cartridges high versatility. 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. Free shipping for all bulk orders. [ETA] QuickLoad says if you want your blackout to go faster, reduce bullet weight (175 gr SMK) and run about 17gr IMR4198. An ideal solution for loading 357 Magnum, 44 Magnum, and even 410-bore shotshell ammunition, its high loading density provides optimal velocity. Winchester 296 is also recommended for 410-bore AA loads. I think 296 and 4227 are the same powders, not 100% sure though. 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. Caution is warranted here. 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. endobj If you're unsure, or just want options, check as many boxes as you'd like. : 1.831" Powder: 10.3 gr 13.0 gr Vel. Screw JD Jones who sat on his product and refused to share his creation after earning millions. Pistol ammo loads with H110 call for magnum primers. The case gauge is to be used to check every loaded piece of ammunition. by lupy123 Sat Dec 14, 2013 8:06 pm, Post To clean your brass, you need a vibratory polisher/tumbler, polishing media and brass separator. If you want cheap, youre looking at having to buy remanufactured ammunition, which can sometimes be of questionable quality. In a life and death situation-who cares about the noise? Size -- Quantity endobj 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. LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED. A look at 300 Blackout ballistics including velocity, energy and drop data for some of the most popular loads among American shooters. of H-110 as a supersonic loading. Close range only. Another advantage of the .300 Blackout cartridge is its dimensions. AR-platform rifles optimized to run subsonic 300 Blackout tend to fire supersonic ammo poorly. The relatively fast burn rate makes it suitable for loading various varmint and intermediate rifle cartridges with limited case capacity, such as .22 Hornet, .221 Fireball, .222 Remington, or .300 Blackout. Smart and safe loader will back off the load and work it back up simply due to powder age and lot variation. Also slight keyholing and groups growing up. Nosler also has a heavyweight offering, in addition to various lighter weight options. Hand load data for reloading .300Blk using projectiles from 110 grains to 230 grains with appropriate smokeless powders from Hodgdon, IMR & Winchester. It is cross-compatible with. 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." Communism only made one thing that works, and capitalism can make it even better. It tends to be the most accurate powder in those two rifles cartridges. For a better experience, please enable JavaScript in your browser before proceeding. This could be Hodgdon H110, Hodgdon CFE Black, Accurate 1680, Reloder 7 or a variety of others. H 4831, 220 gr RN Fed 205 heavy factory crimp, 1050 fps cycles my 16 M4. Serving as optimal powders for their intended cartridges. Copyright Ammotogo.com 2023 All Rights Reserved. You all show older data in the 300 using lil gun for a load workup option. An Instruction/Load data Sheet for the 300 Blackout die set can be purchased through the link below. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It is a beginning and the list will be adjusted and or modified as things progress. There are a handful of solid reloading manuals out there from Speer, Hornady, Sierra, and Barnes, to name a few. .300 Whisper / .300 AAC Blackout / .300 Blackout reloading data with 26 loads. However, the .300 Blackout is available in both supersonic and subsonic loads, while the . The .300 cartridge uses the same powder as large caliber handguns, such as .44 & .45's. %PDF-1.5 I have firearms in all three and I know some will disagree but for me, I would never use lil' gun in anything! by bangbangping Sat Dec 14, 2013 4:30 pm, Post I went back and read my notes. 12 gr. 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. Good subsonic loads fired out of a suppressed weapon should be quiet enough that you dont need hearing protection. I have complete faith in my Lord. --2195 fps. 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 twist rate needed to accommodate the heavy subsonic bullets makes finding accurate super sonic loads difficult. My Start load was 16.5 grains and showed no pressure. Per the powder manufacturers, we are only able to reprint the data they have provided to us. 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. . Second stupidly and even dangerously compressed loads W296 is more than similar, it IS H110. 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. Ballistically speaking, the 7.62x39 mm (center) is similar to the .300 Blackout (l.) and .30-30 Win. For the next 14 years Winchester aggressively sought new markets, created new products and explored new opportunities for his lever-action rifles. 0. 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. Early on, the claimed goal was to have ammunition prices on par with the inexpensive .223 Rem. The design of the cartridge itself is a bit of an issue as well. 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. 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. 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. Converting an AR-15 to fire 300 Blackout is as simple as swapping its barrel. The Latest In Reloading, Straight To Your Inbox Keep up-to-date on new products, trends and tips from the leader in reloading. 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. They are a lot more economical for plinking than spending the money on the Sierras. Subsonic rounds are particularly suited for use with a suppressed carbine. Other companies, such as Hornady, also have a variety of projectiles available ranging from light to heavy weight for the caliber. To save a bunch of questions, you may want to add W296 next to H110, with a note that they are the same powder. If you see something not right let me know, by also giving supporting reasoning. 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. It isnt hard to save yourself roughly a third of the cost of a box if youre used to buying quality ammunition. Hodgdon H110 is identical to Winchester 296; it is simply sold under a different label. 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 Blackouts recoil is not significantly different from the 5.5645, and its price isnt prohibitively higher. (296 and H110 are verified the exact same powder, just marketed under two different brand names.) 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 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. 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. Make sure always to observe reloading safety rules and not to reload while ill, tired, impaired, or in any state with less than your undivided attention. 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. Note: H110 loads should never be reduced by more than 3%. BTW, small standard rifle primers are nearly identical to small magnum pistol primers .. about the same mix and cup thickness. Corncob media is fine for most brass. http://data.hodgdon.com/cartridge_load.asp, http://www.accuratepowder.com/wp-conten 16_Web.pdf, http://www.accuratepowder.com/wp-conten 7-2-13.pdf, http://sierrabullets.files.wordpress.co ackout.pdf, http://www.lehighdefense.com/index.php/load-data, http://www.barnesbullets.com/wp-content TAC-TX.pdf, http://www.quarterbore.com/300whisper/subsonic.html, http://www.quarterbore.com/300whisper/supersonic.html. APP Automatic Processing Press 90951 90933, http://leeprecision.com/300aac-blackout-c-tb.html. Take your pick. All this suppressor talk does not apply to 98per cent of the public. Highly recommended, I reload for my 300 Blackout very clean burning powder and accurate, great for .357, .41, and .44 magnum pistols. When we are sold out, we are sold out. Loading 300 Blackout - ep 10 - First subsonic test loads with Palmetto Projectiles Function and velocity testing with Winchester 296 Thats a 16: bbl. 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. 7.3 grains of trail boss seems high even for max charge. Using bullets from Barnes TSX FB, Hornady V-Max, Sierra Hollow Point, Nosler Ballistic Tip, Sierra Spitzer SP, Barnes TSX BT, Sierra MatchKing HPBT, Hornady MonoFlex, Hornady GMX, Speer Grand Slam, Speer Mag-Tip, Sierra Palma HPBT, Hornady SST, Hornady A-Max. 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. It is also suitable for .221 Fireball, 6.8mm SPC, and 7.62x39mm if you happen to reload for these cartridges as well. One of the benchrest guys I know asked how I liked my 300 BLK rifle. Firearm: 8.5 CMMG Barrel, H3 heavy buffer, superlative arms adjustable gas block, 30 Cal Kinetic Suppressor. Rainier Ballistics has introduced plated 180-grain bullets for subsonic use only. 448 54 Using 125 gr prohunter, I really appreciate the updated data, I was working on subsonic loads and Sierra did the work for me. 180 grain rainier wedges cycled with 11ish grains of IMR4198 out of my PSA 10.5in suppressed with Syrac Ordinance adjustable gas block. Excellent for loading high velocity rounds in big bore revolvers such as .44 magnum, .460 magnum and .500 magnum. Simply telling me I am wrong won't help. containers. The 300 bulk is an underpowered cartridge-on par with theM1 carbine of WWII- but not as easy to wield. (r.). Winchester 296 is a ball powder developed for large handgun loads. Converting an AR-15 to fire 300 Blackout is as simple as swapping its barrel. He deserves NOTHING and would tax the IRS if he could do it. 300 Blackout 220 GR SIE HPBT Winchester 296 .308" 2.260" . 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. The targets above represent the loads shown in the table. Powders that clearly work and have been tested thoroughly be AAC. A crowd favorite for pig hunting, deer hunting and general subsonic fun with silencers, it remains a strong choice for many shooters. H110 powder. 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. The best 5 shot group was .334 MOA while the worst was 3.787 MOA! I plan on doing more work with it and reporting back in the future. Vortex to take over customer service and support for the app. It is a classic reloading powder that should be on the shelves of any handloading enthusiast. Testing both .308 versions of the Speer Gold Dot in 300 Blackout. JavaScript is disabled. These dimensions make caliber conversions of firearms from 5.56/.223 to .300 Blackout relatively easy, only needing a barrel replacement. It is the factory powder for Winchester 357, 41 and 44 magnums. INDICATES MAXIMUM LOAD USE CAUTION 300 BLK - Powder Coated Bullets with Winchester 296 6,475 views Mar 9, 2017 166 Dislike Share Save Johnny's Reloading Bench 120K subscribers Testing some powder coated bullets with Winchester. Have experienced some unstability problems with cans and 1:8 barrels with 220 gr sierras. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. Often powders that are way to slow to be used effectively in the 300 blk. 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. Old Craftsman 6-inch dial calipers passed on the author by his machinist father alongside a Wilson .300 Blackout case gauge. An optimal powder charge fills up between 90% and 100% of the case, provided it doesnt result in dangerous levels of overpressure. 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. or 5.56 NATO chamber. Select your cartridge type from the drop-down list. Factory reloading info from Hodgdon's website as of Spring 2015. Powders from 60-72 on the Hodgdon burn rate chart SHOULD all work(most have been proven to work) in the AR15 platform. Also note when examining published materials you will find a wide range of loads that are deemed safe. My TSAR 11.5 upper is flawless so far. If you folks want really figures use quick loadthis data and noslers data is bogus. Although they share .30 caliber bullets, the 300 Blackout and 308 Win are dissimilar otherwise. 300 Blackout is taking the shooting world by storm, and for good reason. 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. It is quiet enough to allow a shooter to fire it without hearing protection. Prior to building a custom bolt action rifle in 300 BLK I did a lot of homework on loads and load development. Handloading, also called reloading, is more than just a wonderful hobby for gun owners. 1/8 twist. Remember sib sonic loads are only a 100 yd load. Scroll right to see energy, drop and coefficient data. 28:21. I am confident that it would also be well suited to .454 Casull and other strong calibers. Get free updates when we add new tips, articles and more! 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). 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. 220 sierras were stable to 150 meters with 1:7 twist. Click "Get Data" to view results. It doesnt have to be fast or super accurate, just looking for a cheap plinking round, Lil gun will work for you. Very versatile. I have used this program for years and tke it with a very large grain of salt!