Well, it starts here. Love it or hate it, the AAC Blackout is an interesting and incredibly diverse cartridge. Imagine trying to design a ballistic compensation scope for a cartridge that can use grain projectiles traveling at 2, feet per second AND grain projectiles traveling at feet per second. That last one is somewhat like throwing a brick with much vigor. This is going to be fun. I made it through, but I never really understood concepts like acceleration, momentum and why mass is different than weight.

So when it comes to looking at cartridge energy and recoil figures, I always rely on my friend Andrew Chamberlain. He apparently did get physics and he really likes guns.

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He likes both topics so much that he wrote the Cartridge Comparison Guide. In that book, you can compare pretty much anything about any cartridge to anything else about any other cartridge. If you do a rough comparison of muzzle energy of the AAC Blackout to the 7.

300 AAC Blackout Load Data

The grain Blackout at 2, feet per second yields 1, And the Blackout makes a bigger hole. Want supersonic? No problem. Buy some or grain ammo that will move along at up to 2, feet per second. Feel like something more moderate?

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You can get something in the to grain range that will move in the 1, to 2, feet per second range. Or you can get crazy and go full subsonic from the same AR platform rifle.

How about aor even grain projectile moving at 1, feet per second or less? When it comes to subsonic performance, the AAC Blackout has no direct competitor. Clearly the subsonic loadings are not intended for long range use, although it might serve as an exceptionally lightweight mortar.

.300BLK OUT 16\

If you reload ammunition, getting a AAC Blackout rifle may very well ruin your family life. With the broad range of bullet weights and velocities, you may never settle on your own standard load. To narrow things down, lets talk about ideal projectiles and powders. First, you need to find projectiles compatible with. The ribs on. Since the AAC Blackout uses a cut down case, the ribs will be supporting the bullet itself, so the projectile has to be consistent with the expected dimensions, else feeding reliability will suffer.

Generally speaking, long, pointy bullets seem to work best. If the bullets are too short, feeding can be problematic. If they are too large in diameter at the position of the magazine ribs, feeding can also be impacted.According to the metrics this site gets more than a couple visits from people looking for load recipes and info on components for AAC Blackout cartridges.

It seems that is even more scarce in the wake of the biggest gun and ammo buy in history — so I will do my best to assist. Just because these settings work for me or in some cases below someone claimed they worked in an internet post and my rifles it does not guarantee that they are safe for you to use— in no way can I guarantee that these recipes won't injure or kill you.

I strongly advise reducing your starting load and working your way up.

accurate powder for 300 blackout

I also strongly advise using Quickload or something similar to ensure safety when experimenting with load recipes. Handloading is a dangerous activity and mistakes can have serious consequences- picking little shards of aluminum out of your face, losing fingers, even death.

Please be extremely safe and extra cautious while reloading and proving out recipes. Accurate Arms is nice for the BLK because the powder charge matches case volume nicely- not a ton of space inside a cartridge…. Fast burning low volume rifle powders are a must for the BLK and even some pistol powders can work- while this is traditionally viewed as dangerous since pistol powders burn too fast for rifle loads the AAC Blackout is an exception.

Not only is the case small to begin with but once you add a. Another thing to consider is the projectile you are loading.

I am a subsonic fan though so I prefer the gr and higher weight projectiles since they are easier to keep under the fps threshold. The gr FMJs are more economical for range loads- at least for copper jackets from Barrys. Projectiles can make a big difference though when it comes to powder. Hogdon H works well for gr projectiles.

Tuning any lower can result in inconsistent burn- aka squib loads- aka projectile in the barrel just waiting to become a KB. Hogdon H isn't bad according to Foghorn who graciously loaned the header photo you see on this site. IMR Trail Boss is an interesting critter. It was designed for Cowboy Action pistols but is one of those pistol powders that performs well at high density and voila!

Is a handy charge for the BLK. My data suggests that Trail Boss is better for the smaller projectiles gr.In my last two articles I detailed the impressive design advances made in not only the. The cartridge is not only a jack-of-all-trades, it is a master of all instead of none.

Unlike other popular rounds, the. As you can guess, severe bodily injury and death can occur if you are not careful. Most people that own weapons in this caliber are using semiautomatic rifles, but there are a fair number of individuals that have bolt actions and even single-shot guns. For this article I will be looking at reloading for use in a semiautomatic rifle and the things that are necessary for this cartridge to perform reliably in a standard direct-gas AR.

I have been reloading ammo for more than half my life. It has always been something that relaxed me and allowed me to exercise a bit of creativity in my hobbies.

The early days of the cartridge saw most factory ammo being loaded with off-the-shelf powders and bullets. There were no specialty options and the average shooter had to make due with gr pulled military bullets and whatever magnum pistol or shotgun powders they had around.

I remember those days fondly and I recall scratching my head at my very first AR pistol in the caliber. I eventually parted ways from the cartridge for a while and when I came back to it, there had been an explosion of available options. The first real point of advancement was the shape of the bullets for this cartridge. As I mentioned, many of the early loads were made with existing.

This lead to some problems as the shape of the ogives and bearing surfaces created geometry issues with feeding in AR mags.

Today there are dedicated magazines, like those from Magpul, that address these minor variations.

.300 AAC Blackout - Manufacturer Loading Data

You can certainly load. You can clearly see this in the image to the right. The overall length of this cartridge is often determined by bullet shape, not throat depth like in other rifles. The issue with.

The cases have relatively little volume in them and have a maximum capacity of only around grains of powder. This means that there will always be a give-and-take with bullet weight in relation to velocity. The shape and internal capacity of the 7. The comparison to 7. I think that the neat little round at near-max powder charge is when you see true performance. A quick look most reloading manuals will show that 7.

When you start looking at reloading manuals for. I would say that most factory ammo for this caliber is significantly underpowered.GunMann is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Are you looking for the best powder for a Blackout? If you are, the search might be a little difficult at first. But once you know what separates a great powder from something that's not as effective, you will have an easier time choosing which will be better for your Blackout cartridges.

To give you a bit of a starting point, we've dug up five of the best powders that we believe are very popular on the market. To the best of our knowledge, these are compatible with Blackout rounds and are designed to give you a great deal of firepower. Before we get to our list, we'll talk about whether or not powder is all the same or if they differ in some ways. After that, we'll give you a brief guide on how to choose the best powder.

It's also important to be cautious when choosing the best for your Blackout. We'll get to that later on. The short answer: not exactly. There are two types of gunpowder currently available on the market: single base and double base. Single base powder contains what is known as nitrocellulose, while double base includes not only nitrocellulose but also nitroglycerin. It also burns hotter and dirtier as well. Double base powder is also said to be associated with maximum velocity.

Before making a final decision on which brand to choose, it's always important to know some of the aspects that will drive you to make a final decision. The important thing is to carefully consider which is more suitable for the Blackout rifles and cartridges you use.

accurate powder for 300 blackout

With that said, here are some things to consider:. The important thing to consider here is whether the powder is appropriate for the type of rounds that you use. Your cartridges may be loadable or reloadable. Of course, there are those who are on a budget who may shy away from most brands due to price.

But there are a bunch available at affordable prices. Performance and overall quality should also be prioritized when looking for the best possible powder that you can afford.

Another thing to consider is which rifle you're using for your Blackout rounds. Some use AR-style rifles while others use AR-style pistols and even tried and true bolt action, single-shot rifles. It's important to know which rounds you're using for these types of guns so that you're able to find the type that's best suitable for it.

Likewise, you shouldn't use a type of powder that is used for bolt action, single-shot rounds in an AR-style rifle.It might be a difficult journey in looking for the best.

However, once you know what makes the difference between a great. To start, we have found 4 of the best. These powders would be compatible with your.

Single base powders contain nitrocellulose, which does not burn as hot and as dirty as double base powders. Double base powders contain nitrocellulose and nitroglycerin, which makes it burn hotter and dirtier.

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If you want maximum velocity from your. The most important aspect here is to consider whether the powder is appropriate for the type of round that you will be shooting. Regardless of whether your cartridges are loadable or not, you will need to find a product that is compatible with your.

300 BLK accuracy problems? Maybe it isn’t you…

You should always buy according to your budget. While some use AR-style rifles, others would opt for AR-style pistols. This powder is known to be one of the best powders available for subsonic.

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The main concern in using. If you are into hunting, this. When using this powder, you will see almost no copper residue being left behind. In addition, the powder also makes cleaning your rifle easy. If you hate cleaning up residue that never goes away, this powder would be a great option for you.

You are a hunter. Hunters would usually opt for heavier, subsonic. If you want ot bring your. You want easy cleaning. One factor to it is that it makes cleaning as it leaves little to no residue behind as you shoot. You use supersonic rounds. Unfortunately, this powder seems to be dedicated for heavier, subsonic.This spherical propellant is designed expressly for the Remington AAC Blackout cartridge and meters very accurately.

CFE BLK contains our Copper Fouling Eraser ingredient, originally used in military propellant, which greatly deters copper fouling and contributes to longer periods of top accuracy with less barrel cleaning time. It provides full function in modern sporting rifles throughout a range of bullet weights and is perfect for subsonic loads.

In addition to being outstanding in the Blackout, it performs well in many smaller capacity cartridges such as the 17 Hornet, 17 Ackley Hornet, Bee, Fireball and many more. It also yields top performance in the 6. Keep up-to-date on new products, trends and tips from the leader in reloading. Watch Video. Available in 1 lb. Email Data Print Data. Message Attached is your requested reloading data report in PDF format. Thank you for sharing Hodgdon Reloading data. You may also like.

CFE CFE Pistol. Stay up on the latest. Dealer Locator. Team Hodgdon Company Requests. Start typing and press Enter to search.Beyond the upgrade in bullet diameter, the BLK offers the versatility of heavy grain plus subsonic projectiles as well as lighter supersonic offerings. Once you start trying to do other things with the BLK, better options emerge.

My personal experience mirrors this. I spent a lot of time and money building this rifle. It took 26 different loads to get it end up with both a super and subsonic load around a MOA. Imagine dumping a pile of money into a rifle and having it shoot some loads nearly 4 MOA!

After a number or trips to the range and a lot of brass and bullets, I found a load that would work- note the bughole in the middle left side of the target below. Was I alone in my BLK experience? Apparently not. Two reasons, case capacity and barrel twist.

The BLK has such a small case you are effectively loading pistol powder into a rifle cartridge. This means smaller powder charges and faster powders.

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Not the best for accuracy. In many ways, the BLK in design terms is the opposite of a modern match cartridge like the 6mm BR or 6. Most barrel makers and benchrest shooters will tell you the best accuracy for a given bullet is obtained with a twist rate that just stabilizes the bullet.

accurate powder for 300 blackout

By utilizing a fast twist to stabilize the long heavy subsonic bullets, I suspect accuracy suffers on the lighter loads. Keep in mind, that its wildcat predecessors like the. I like my BLK, but see it for what it is. If you are looking for a cartridge that can run with subsonic and supersonic ammunition in your AR, it is a great choice.

If you are looking for an easy to tune, high accuracy round, you may be better served elsewhere. Wish someone told you this before? Well, someone did. That person was Bill Wilson of Wilson Combat with his 7. The 7. Much like the BLK, the 7. It is a shame, it never caught on as much as it should have.

To learn more about the 7,62x40WT click here. Please share the pictures of the groups with us on Facebook and what load you are using, I think there is a lot of interest. If you like Rifleshooter.


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