300 Blackout Ammo
From military use to civilian defense, the .300 Blackout cartridge has been growing in popularity since it's introduction to the market in 2011. Supersonic loads have ballistics to the 7.62x39 bullet, while subsonic loads are for those who shoot suppressed firearms.
AR-15 Platform Alternative
300 Blackout Ammo
One of the most popular alternative chamberings for the AR-15 platform, .300 AAC Blackout ammo is easily distinguished by its relatively small case and huge bullet. This somewhat odd-looking cartridge fulfills a number of niches better than the default .223/5.56 caliber with better close-range performance and excellent potential in suppressed firearms.
.300 Blackout ammunition comes in two distinct flavors: subsonic and supersonic. Supersonic loads typically fire a light 90-130 grain bullet at a muzzle velocity of around 2,200 feet per second with ballistics comparable to those of the Russian 7.62x39mm. Subsonic ammo, on the other hand, fires a much heavier bullet in the 220 grain range with a muzzle velocity of around 1,000 feet per second to avoid the sonic "crack" that partially negates the advantages of a suppressor.
The .300 AAC has been embraced for a wide variety of purposes, with hunting, match, and defense loads available from most manufacturers including Nosler, Federal, and Corbon. Notable adaptations of the round include Remington's Hog Hammer series featuring Barnes TSX copper bullets as well as Hornady's Zombie-Max hollow point series for those prepping for the undead apocalypse - you can find a wide variety at cheap prices for sale here at Widener's.
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American Quality Ammunition 300 AAC Blackout 147 Grain FMJ – 250 Rounds
$138.85Product Type Ammo Manufacturer American Quality Ammunition Condition New Bullet Weight 147 Grain Bullet Type Full Metal Jacket (FMJ) Use Type plinking at the range Casing Type Brass Quantity 250 Ammo Caliber 300 AAC Blackout Manufacturer SKU N300147VP250 Primer Type Boxer Magnetic No UPC Barcode 4806015501886 Cost Per Round 55.5¢ per round Supersonic 300 AAC Blackout target ammunition? It’s looking right at you, pal! This round’s 147 grain bullet weighs way too little to avoid breaking the sound barrier. Upon taking flight at 2,000 fps – kerkow! Not the sort of sound a suppressor’s designed to suppress, that’s for sure.
But you know what? That “little” extra noise won’t bother you one bit. If you want to see a flatter 300 BLK trajectory in action, then it’s well worth the cost of admission.
You’re not sinking your money into overly fancy bullets when you invest in this ammunition. The full metal jacket does the bare minimum it needs to in order to feed and fire in a semi-automatic, and it’ll be just as accurate as you make it. The real “selling point,” as it were, is the FMJ’s steel-free core and jacket: your ticket into any range that won’t have magnetic ammo on its premises.
This loose-packed ammo is loaded with new brass cases. Order some component bullets from our fine website if you feel an urge to handload them! -
Magtech First Defense 300 AAC Blackout 123 Grain FMJ – 500 Rounds
$369.85Product Type Ammo Manufacturer Magtech Condition New Bullet Weight 123 Grain Bullet Type Full Metal Jacket (FMJ) Use Type plinking at the range Casing Type Brass Quantity 500 Ammo Caliber 300 AAC Blackout Manufacturer SKU 300BLKB Primer Type Boxer Magnetic No UPC Barcode R05252016432 Cost Per Round 74¢ per round Magtech First Defense ammunition aims to provide shooters with high quality products that are very reliable. These 300 Blackout rounds are loaded into new production, boxer primed brass cases that are re-loadable. The projectiles in this case of 500 are 123 grain Full Metal Jackets (FMJ).
Established by CBC Group in 1990, Magtech is the commercial brand for the ammunition manufacturer Companhia Brasileira de Cartuchis (CBC). The CBC group is made up of the four ammo manufacturers CBC, MEN, Sellier & Bellot and Magtech. Due to strict quality control measures their ammo is reliable and consistent.
Grab a few boxes of this high quality 300 Blackout ammo and get out to the range soon!
Customer Reviews
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Excellent choice
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Used about 180 rounds of this at a 4 day rifle class at Front Sight. Worked perfectly. Chrono'd 10 rounds when I got home, averaged 2300 fps. Affordable and quality ammo...
Review by BadBob (Posted on 4/21/2016)
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Winchester Super Suppressed 300 AAC Blackout 200 Grain Open Tip – 200 Rounds
$174.95
$159.85
Product Type Ammo Manufacturer Winchester Condition New Bullet Weight 200 Grain Bullet Type Open Tip Use Type plinking at the range, Subsonic Casing Type Brass Quantity 200 Ammo Caliber 300 AAC Blackout Manufacturer SKU SUP300BLK Primer Type Boxer Magnetic No UPC Barcode 20892224490 Cost Per Round 79.9¢ per round Is Winchester’s Super Suppressed line of ammunition only meant for suppressed firearms? Not at all! This 300 AAC Blackout ammo will supply cleaner and quieter performance out of suppressed and unsuppressed pistols, carbines and rifles alike!
Winchester’s clean-burning powder isn’t the only reason for this round’s low-residue performance. The bullet’s base is fully encapsulated, which prevents hot propellant gasses from evaporating any lead off its core. That means virtually zero lead residue will accumulate on your bore or inside your suppressor!
This round’s quiet report is the work of its bullet. At 200 grains, it simply cannot become supersonic before clearing the muzzle, and accordingly cannot register a jarring supersonic crack on ignition.
The open tip is often confused for a hunting or self-defense bullet, but it is in fact not capable of terminal expansion. Its nose cavity is just the byproduct of the open tip bullet’s production process. Molten lead is inserted through the aperture so it can cool in place to become form-fitted – a feature which enhances accuracy.
Winchester’s 300 Blackout ammo is always made in America, where it is loaded with reloadable brass cases and very dependable primers and powder. This ammo is designed to fully cycle all semi-autos. -
Winchester Super Suppressed 300 AAC Blackout 200 Grain Open Tip – 20 Rounds
$18.85Product Type Ammo Manufacturer Winchester Condition New Bullet Weight 200 Grain Bullet Type Open Tip Use Type plinking at the range, Subsonic Casing Type Brass Quantity 20 Ammo Caliber 300 AAC Blackout Manufacturer SKU SUP300BLK Primer Type Boxer Magnetic No UPC Barcode 20892224483 Cost Per Round 94.2¢ per round Super Suppressed ammunition is perfect for any rifle with a suppressor screwed onto the end of its barrel. This 300 AAC Blackout ammo won’t just keep all those baffles a whole lot cleaner – it will also make your suppressor itself more effective at its job!
Winchester loads this round with their open tip range projectile. First things first: The open tip will not expand as it penetrates soft tissue, and in fact delivers terminal ballistics akin to an FMJ. It is an accuracy-first bullet, with a form-fitting core that was poured through the opening in its jacket’s tip while it was still molten.
This bullet’s flat base promotes accuracy by offering a uniform surface for propellant gas to thrust against. The jacketed base also locks propellant gas away from the core, thus stopping it from vaporizing lead that would accumulate inside the barrel and suppressor.
A Super Suppressed cartridge relies on a simple mechanism to ensure its subsonic muzzle velocity: a heavy bullet. At 200 grains the open tip range bullet cannot issue a cracking report upon exiting the barrel, which makes a rifle run quieter even if it hasn’t got a suppressor.
Brass cases and non-corrosive primers also help this ammo fire up clean. Reloadable and American-made! -
Federal American Eagle 300 AAC Blackout 150 Grain FMJ - 500 Rounds
$493.85Product Type Ammo Manufacturer Federal Brand American Eagle Condition New Bullet Weight 150 Grain Bullet Type Full Metal Jacket (FMJ) Use Type plinking at the range Casing Type Brass Quantity 500 Ammo Caliber 300 AAC Blackout Manufacturer SKU AE300BLK1 Primer Type Boxer Magnetic No UPC Barcode 50004544617002 Cost Per Round 98.8¢ per round Although it hasn't been around for too long, the 300 AAC Blackout has quickly become a popular round among shooters who are tired of the measly performance of the typical AR-15 rounds, the 223 Rem and 5.56mm. With this new round, you have increased range, more energy, and better ballistics, making it fantastic hunting, self defense, match shooting, and plinking around with only a few modifications to the rifle.
Federal has been making some of the best ammunition in America since their beginnings in the 1920's and continue to make some of America's favorite ammunition due to their amazing manufacturing and often highly affordable prices. With these Federal American Eagle, 150 grain, full metal jacket, boxer primed, brass cased rounds, you get all the accuracy and reliability you need to have a blast practicing at the range. Firing at 1900 feet per second, these range rounds come at a great price, helping you save money while you get better at shooting.
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Federal American Eagle 300 AAC Blackout 150 Grain FMJBT – 20 Rounds
$21.00Product Type Ammo Manufacturer Federal Brand American Eagle Condition New Bullet Weight 150 Grain Bullet Type Full Metal Jacket Boat Tail (FMJ-BT) Use Type plinking at the range Casing Type Brass Quantity 20 Ammo Caliber 300 AAC Blackout Manufacturer SKU AE300BLK1 Primer Type Boxer Magnetic No UPC Barcode 604544617009 Cost Per Round $1.05 per round Give this 300 AAC Blackout ammo from Federal’s American Eagle label a shot! Its 150 grain projectile has got a full metal jacket for a cleaner bore at the end of the day, and it’s also got a boat tail that raises its ballistic coefficient for better wind drift resistance, a flatter trajectory, and greater downrange velocity. Federal’s brand new brass casing will afford you multiple opportunities to handload, and their consistent primers will have each hammer stroke producing the exact same result with every shot.
American Eagle is quality stuff, but it’s priced to let you focus on the damage you’re doing to your target rather than that which you’re doing to your savings. Once you’ve given these 20 rounds the college try and experienced firsthand just how good they are, come on back to Wideners.com for a whole case of them -- your wallet and your rifle will love you for it. -
Hornady Frontier 300 AAC Blackout 208 Grain FMJ – 20 Rounds
$24.85Product Type Ammo Manufacturer Hornady Condition New Bullet Weight 208 Grain Bullet Type Full Metal Jacket (FMJ) Use Type plinking at the range Casing Type Brass Quantity 20 Ammo Caliber 300 AAC Blackout Manufacturer SKU FR410 Primer Type Boxer Magnetic No UPC Barcode 090255729511 Cost Per Round $1.24 per round Are you currently suffering from a case of the jimblies? And by “jimblies,” we mean severe lack of subsonic 300 AAC Blackout target ammunition? Then the cure is close at hand. We’re offering you Hornady Frontier!
This cartridge’s bullet is too heavy to pose any risk of breaking the sound barrier. It’s what’s scientifically referred to as a “big boy” – a heaving 208 grains, which attains muzzle velocity 100 fps shy of supersonic when it is fired out of Hornady’s 24” test barrel. You could ask for no better if you’re trying to see what your suppressor can really do!
And you won’t have to turn your pockets inside out in order to observe such subsonic performance. Hornady outfits this target puncher with a full metal jacket, which isn’t engineered for expansion, or particularly deep penetration at that. (We’re quite sure you could make good use of this ammo’s FMJs for varmint hunting, though.)
This ammo’s high-quality bullets, reloadable brass cases, and clean-burning explosives all prove that Nebraskans know what’s what. Order as many boxes as you like, because our boss told us we can’t keep whatever we don’t wind up selling! He also told us not to microwave fish in the company breakroom! So much for “Trout Thursday!” -
Hornady Subsonic 300 AAC Blackout 190 Grain Sub-X - 200 Rounds
$313.85Product Type Ammo Manufacturer Hornady Condition New Bullet Weight 190 Grain Bullet Type Polymer Tipped Use Type home defense, Subsonic Casing Type Brass Quantity 200 Ammo Caliber 300 AAC Blackout Manufacturer SKU 80877 Primer Type Boxer Magnetic No UPC Barcode 10090255808770 Cost Per Round $1.57 per round Hornady's Subsonic 300 AAC Blackout ammo provides excellent terminal performance without the noise and recoil of comparable self-defense rounds. These low-velocity cartridges expand predictably at varying speeds due to the design of the 190 grain Sub-X bullets. Crimped into the mouth of each Boxer-primed brass casing, the Sub-X features a flat polymer Flex-Tip that protects the cavity of the hollow point. On impact, the Flex Tip dissipates as the copper jacket curls back over the soft lead core to create devastating wound paths.
Shooters with a desire to reload spent casings can reuse the new brass. The brass casings are non-corrosive and filled with clean-igniting powders that help reduce caustic buildup in your barrel.
Hornady ammunition is American-made and the top choice for many shooters. Order your 200-round bulk case today!Customer Reviews
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Might not feed in your AR mags
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I tried this ammo in five different kinds of AR magazines. Failure to feed was a major issue with all of them in my rifle. I suggest trying them in your application before committing to a large order.
Review by Joe Blow (Posted on 11/16/2019)
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Hornady Subsonic 300 AAC Blackout 190 Grain Sub-X – 20 Rounds
$31.85Product Type Ammo Manufacturer Hornady Condition New Bullet Weight 190 Grain Bullet Type Polymer Tipped Use Type home defense, Subsonic Casing Type Brass Quantity 20 Ammo Caliber 300 AAC Blackout Manufacturer SKU 80877 Primer Type Boxer Magnetic No UPC Barcode 90255808773 Cost Per Round $1.59 per round This 300 AAC Blackout round by Hornady has a muzzle velocity of only 1,050 fps. That’s nowhere near what it would take to break the sound barrier, and accordingly very quiet -- especially so if your weapon is outfitted with a silencer. Still, this round is optimal for self-defense, because it features Hornady’s 190 grain Sub-X projectile.
The Sub-X sports Hornady’s Flex Tip, a post made of soft polymer nestled on the rim of the jacket and which projects downward into a precisely formed cavity within the core. Upon impact the Flex Tip builds up tremendous energy before it connects with the core, at which point it causes the bullet to mushroom outward devastatingly.
As a cartridge for self-defense, this round is cleverly loaded with temperature stable propellant that has been formulated to reduce muzzle flash upon ignition. That will preserve your vision if you ever have to engage a threat in the nighttime. In spite of its lesser muzzle velocity, this round still meets FBI protocol by penetrating up to 18” with 90 percent or greater weight retention in ballistic gel. This round will not part with its efficacy when fired in a shorter barreled rifle. -
Hornady Custom 300 AAC Blackout 135 Grain FTX – 200 Rounds
$329.85Product Type Ammo Manufacturer Hornady Condition New Bullet Weight 135 Grain Bullet Type Flex-Tip-Technology (FTX) Use Type home defense, hunting boar, hunting whitetail deer, varmint hunting Casing Type Brass Quantity 200 Ammo Caliber 300 AAC Blackout Manufacturer SKU 80881 Primer Type Boxer Magnetic No UPC Barcode 10090255808817 Cost Per Round $1.65 per round This is a versatile 300 AAC Blackout round from Hornady’s Custom line of ammunition. With its 135 grain FTX bullet it promises both the accuracy and the terminal performance you need not only to hunt deer and coyote, but also to keep your homestead devoid of people who covet the treasures you’ve stored there.
The FTX features Hornady’s proprietary Flex Tip, a soft polymer spike which enhances the bullet’s ballistic coefficient and also initiates massive expansion beginning at the moment of impact. As the Flex Tip forces its way downward, Hornady’s InterLock ring keeps the bullet’s high antimony lead core and heavy jacket bound together to promote a wound channel that will extend to the vitals. The FTX also features a secant ogive profile that greatly improves its accuracy.
The motivation behind Custom ammo is to give shooters quality like they might otherwise only have experienced from a handload. These rounds utilize casings and primers that a discerning handloader would also choose for the job, and are inspected by masters of their craft. -
Hornady Custom 300 AAC Blackout 110 Grain CX – 20 Rounds
$33.85Product Type Ammo Manufacturer Hornady Condition New Bullet Weight 110 Grain Bullet Type CX Use Type hunting boar, hunting whitetail deer, varmint hunting Casing Type Brass Quantity 20 Ammo Caliber 300 AAC Blackout Manufacturer SKU 808794 Primer Type Boxer Magnetic No UPC Barcode 090255720006 Cost Per Round $1.69 per round Sometimes lead-core bullets just won’t cut it. Obviously, you’re not going to be naughty by hunting with them wherever they’re banned. But this Hornady Custom ammo offers a lot more than just legal compliance with certain places’ hunting laws!
This 300 AAC Blackout cartridge is loaded with a featherweight 110 grain bullet. It’s light because it’s not weighed down by lead. The Copper alloy eXpanding hasn’t got any, which accounts for its very clean performance and very high muzzle velocity: 2,285 fps, out of Hornady’s own 16” test barrel.
The CX works hard to conserve that velocity. It features a Heat Shield tip, which uses its Drag Variability Reduction Technology flat point to reduce dispersion and even out drag, and which is also made of heat-resilient polymer. That sleek frontal profile transitions to an equally sleek midsection, which is grooved to minimize drag even further.
The CX is much stronger than an ordinary lead-core bullet. It resists fragmentation so effectively that it still has 95% or more of its original weight when it comes to a rest inside (or on the other side) of an animal. The CX fully deserves the “X” in its name, too, as it supplies eXpansion in spades. -
Remington Premier Match 300 AAC Blackout 125 Grain OTM - 20 Rounds
$34.85Product Type Ammo Manufacturer Remington Condition New Bullet Weight 125 Grain Bullet Type Open Tip Match Use Type hunting whitetail deer Casing Type Brass Quantity 20 Ammo Caliber 300 AAC Blackout Manufacturer SKU RM300AAC6 Primer Type Boxer Magnetic No UPC Barcode 47700410203 Cost Per Round $1.74 per round The 300 AAC Blackout was created to bring the amazing power and energy of the 30 caliber to the AR-15, enabling you to use a round that produces great results instead of the normal, piddly rounds like the 223 Rem and the 5.56mm. With the 300 AAC Blackout, you get extra range, more power, and much higher efficacy, perfect for hunting, competing in a shooting match, and defending yourself.
Remington has been around for two hundred years and continues to make some of the best ammunition in the United States. With these Remington Premier Match, 125 grain, open tip match, reloadable rounds, you are getting incredible quality, phenomenal accuracy, and exceptional reliability, perfect for winning any shooting match you wish. In addition, these rounds have the power and effectiveness you need to take down deer, giving you a multipurpose, amazing round for all your shooting needs.
Shooter Resources at the Widener's Blog
Best 300 Blackout Ammo: Home Defense, Hunting & Training
More 300 Blackout Ammo Guides to Explore
Find the best 300 BLK for your rifles here with in-depth caliber comparisons and more. Whether you're shopping for self-defense rounds, hunting loads, or bulk training ammo, Widener's experts break down the options so you can shop with confidence.
