Click here to download sierra bullets 300 aac blackout load data for the 5th edition manual. In search of a few good rounds for different uses, we set out on a journey to try a. All data in this caliber is subsonic but is not normally tagged with the name subsonic. With loadbooks, you can get the caliber you want without. Initially we were using the recommended load data from aac. Read online sierra load manual 300 blackout 125 mk book pdf free download link book now. Loadbooks usa complete reloading manual 300 acc blackout. Of the cartridges we plan to load is the 300 blackout.
Breaking down 5 different 300 blackout loads terminal ballistics. And of course i4227, h110, w296 and a couple others. All books are in clear copy here, and all files are secure so dont worry about it. The widener general dynamic 147s are very nice and the rmr 147s are too. Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. Paddy, most 300 blackout loads use slow burning magnum pistol powders or fast burning rifle powders. The pics really tell the story, the lil gun performed the best and according to the data should definitely be fastest. Bullet choice and bullet design for perforce at subsonic velocities on game. Sheet1 bullet grains,bullet company,bullet type,powder company,powder type,start grains,min velocity,ft. Trailboss currently is the lowest charge powder, but also has absolute crap results.
My main plinking load is using 147 fmjs in a 16 carbine 300 blackout. The wide selection covers virtually every popular caliber and gauge, giving information on proven and tested loads. The blackout has proven itself to be an effective medium game cartridge when used at appropriate range. When using smokeless powders, use only the exact type and quantity described at. October 11th, 2014 300 aac blackout load data from sierra bullets. Developed for the ar15 platform, the 300 blk offers ar shooters a largecaliber option in both subsonic and supersonic variants. This site is like a library, you could find million book. Subsonic loads refer to those whose velocity is less than the speed of sound. Some data in the books are incorrect must know info, from how to get brass, clean brass, lube brass cases, prime brass, trim to length. Other companies use fast rifle powders aa1680 and thereabouts. Im thinking of doing some development on an unpublished load.
Using bullets from lapua hpce, lapua fmj, nosler accubond, lapua fmjbt. Understanding the 300 blackout and why this cartridge is. There is even a book specifically dedicated to reloading for arplatform rifles. Using bullets from hornady vmax, berger tgt fb, nosler bt, speer hp, sierra hpbt, nosler hpbt, hornady interbond, hornady bthp, speer sp, hornady amax, berger tact. Sierra bullets has just added extensive load data for the 300 aac blackout 300 blk cartridge. The blk was designed to accommodate both supersonic and subsonic ammo without any tuning or performance headaches. Hornady manufacturing company develops and publishes reloading data for the handbook of cartridge reloading.
In that book, you can compare pretty much anything about any cartridge to anything else about any other cartridge. Lyman releases new ar reloading handbook daily bulletin. Hodgdon does not list h335 for it, but does list hi4198. These manuals are the newest versions with all the most. I intend to only shoot subsonic ammo and am aghast at the price right now its about 1. Ar this, ar that sometimes it seems the gun world has gone ar crazy. Many ar15 enthusiasts and hunters have a strong appreciation for. So im looking at ordering 2 copies for me and my buddy. With loadbooks, you can get the caliber you want without flipping through an extensive 200 page book looking for your particular caliber. Just be sure the buffer can take the added recoil from the heavier loads. Our manuals list many useful loads using different powders and jacketed.
Those very same rules are still very much in force today and are probably even more entrenched in most shooters minds. This may seem superfluous when there are so many other reloading manuals on the market. This is not a common issue but if you find yourself having a lot of malfunctions, including with subsonic loads, check the buffer weight and spring. Loading 300 blackout ep 11 more subsonic tests with accurate 1680, imr4227, and lil gun. Prices of 147 fmjs has gone up in the past couple years or so. Im just finishing up building my first 300 blackout rifle.
Depending on the data you look at, the lg loads were over max, but they are right at max according to hodgdon. Protect yourself by seeking out certified reloading instruction courses and studying books that describe safe reloading techniques in detail. Loadbooks usa complete reloading manual 300 acc blackout whisper. Complete reloading manuals with uptodate information from all the leading bullet and powder manufacturers. Each book is tailored to a specific caliber or gauge. There is very little data available for this cartridge and i cant find any data for cast loads. I was gonna pick their book up but found that most of their overall lengths are far to long and wont even chamber the round let alone seat the bullet far enough for the casing to have something to hold on to. Breaking down 5 different 300 blackout loads terminal. In the below video youtube channel rolling blackouts demonstrates his technique for reloading. Our manuals list many useful loads using different powders and lead bullets as well as jacketed bullets. This entry was posted in load data, reloading and tagged 300 aac blackout, 300 blk, 300 fireball, 300 whisper, advanced armament corp. It has very similar ballistics to a traditional ak47 chambered for 7. Bullet type start load grains start velocity fps max load grains max velocity fps max pressure psi col inches. Not all subsonic loads are noted as such in the data, because the cartridge is not capable of producing supersonic velocity.
Sierra bullets 300 aac blackout load data sierra bullets. Nothing has to change for the lower receiver to shoot. They dont list a load for h335, so you would have to work up your own. Loadbooks usa 300 aac blackout rifle reloading manual. Family friend had like 10 reloading manuals and recommended the lyman manual. I think there is several members here that shoot the 300 blackout and i was hoping some of yall would share some cast load data. If you do a rough comparison of muzzle energy of the 300 aac blackout to the 7. You must agree to the terms below before continuing. It has since become popular for a wide range of uses including hunting and home defense. 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 similar external ballistic performance to the 7. I looked online and the one he had, the 49th edition didnt have 300 blackout. I will be starting with boolits ranging from 150gr to 200gr. The 300 aac blackout 300 blk is a popular alternative cartridge in the ar15m16 m4 ar community.
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