308 Compared To 300 Blackout300 Blackout is essentially a. 300 AAC Blackout name), our nations Special Operations Forces wanted a weapon system that could switch between sub-sonic and super-sonic rounds effectively and quickly, from a compact package, while not. 308 inches Shell Case Length: 1. The 300 Blackout (pronounced “three-hundred black out”), officially known as the 300 AAC Blackout or the 300 BLK, or 7. 300 Blackout vs 308 Caliber Comparison: Why Intended Purpose. Brett has already mentioned the ammo situations. 200 has long been considered about the minimum acceptable for medium range rifle cartridges. 300 AAC Blackout shares the same bullet diameter at the. 300 Blackout Cartridge Ballistics Comparison. 62x35mm 300 AAC bullet is larger in size than 223 Remington. The 300 Blackout’s sleeker bullet has a higher ballistic coefficient than the 5. This is realistic hunting ranges for each caliber. View Details at Brownells The official parent case is the Fireball. 223 Remington factory loads shoot bullets in the 35-90 grain range. 300 blackout 300 aac bullets brass primers powder for. If we assume a bullet design has the same ogive, and boat tail, then the only way to change weight is to make it longer. 62x39 VS 300 Blackout as a foraging caliber. 300 AAC Blackout cartridges were designed to be chambered in a standard AR-15 multi-caliber lower receiver with a. 308 performance, whereas the typical shaded patterns denote subsonic 300 BLK performance. 308" compared to the Grendel's 0. The powder weight is what matters, not its burning rate. For a shtf caliber I will stick with standard 5. 56mm carbine, with the exception of the barrel, making this an easy conversion for a shooter who already owns an AR15. The knives had been out for the service rifle America entered the war with—the M14, chambered in. Suppressed 300 Blkout VS 308 win. In the above example, the 300 Win. 308” diameter 300 Blackout bullet is available in a far greater range of weights — anywhere from 110 to 220 grains. Springfield Armory M1A Socom 16. Higher fill means more consistent ignition and powder burn. More easily concealed, it's also far more powerful than handguns of similar sizes, making this a "best of both worlds" situation. The twist rate will work well for subsonic …. This allows for 300 Blackout to be reloaded into previously used 5. 300 Blackout is just a bit larger, at 0. 300 BLK, on the other hand, is designed to be used in a short . 5 Creedmoor; 9MM; Accessories Magazines Created with Sketch. 56 vs 300 Blackout Case Comparison. 300 Blackout vs 308 Winchester. 300 Blackout (BLK) for your newest build? Come take a look at the differences with us here at 80% Arms!. 300 AAC Blackout Ammo Comparison. The Hamr is specifically meant to get. Undoubtedly the 300 HAM'R will be compared to the popular 300 BLACKOUT or 7. The 300 Blackout is best kept to small and medium game like coyotes and deer. 30 caliber round for the AR platform that uses a standard bolt and magazine. 308 rifle, both firearms are impressively light, making them easy to use. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. 300 BLK starts at about 100 and goes all the way up to around 220-grains. The 300 Blackout’s bullet is 2. Grendel has five bullet types ranging from 90 gr to 130 gr, while 308 Blackout offers 78 gr to 225 gr bullet types, which are denser than Grendel's. The Discreet Ballistics 300 Blackout 190gr Subsonic Target Load is intended for use in semi-automatic and bolt action firearms chambered in 300 . 56 NATO rifle with disastrous results. The 300 Blackout uses the base 5. 308 Winchester is generally a 150- to 170-grain bullet moving at 2,700 to 2,800 feet per second. 62x39 mm’s muzzle velocities best those of the. While the list will probably be subject to change within the next year, this is your opportunity to choose one of these products as one of your own. If you are recoil sensitive then the 300 Blackout is the best choice for you. 62x39mm cartridges to use with AR-15 builds, while still allowing the AR-15 to have a magazine at normal capacity. 300 BLK is quieter and has more subsonic ammo available. Size Comparison: 300 Blackout vs 7. Items 1-16 of 148 Product Compare; Wishlist; Contact. 9mm for use in a PDW / SMG, well, there really isn't any comparison. 308 is a horrible option for CQB due to over-penetration, concussion, and size. The 30-06 on average recoils in the area of 22 lbs. The 300 Win Mag is produced by Winchester, coming into use around 1963. 56mm so it will fit into the chamber. Search results for: 'compon sale upper 300blackout arms 308. Add to Wish List Add to Compare. 350 Legend Vs 300 Blackout Comparison » GearHunts. Why 300 Blackout? Once considered an exotic round, 300 Blackout has become a household caliber. 308 is a very good long range round, and an AR in. Practice ammunition is often loaded with 147-grain bullets, while subsonic loads go as large as 240 grains. 5 Grendel vs 300 Blackout (with ballistics charts). 300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C. You can take pretty much any game in North America with them, and while they’re significantly more expensive than an AR in 5. 300 Blackout is the ability to chamber in a. For just a little bit more recoil though, the 243 maintains deer-relevant energy much further than both the 300 Blackout and 223. In this caliber comparison article, we are going to take a detailed look at both the 300 AAC Blackout and the 308 Winchester. To break it down real simple like, 300 BLK is generally a 115- to 125-grain bullet pushed at around 2,200-2,300 feet per second. However, we all highly appreciate the 30-30 for its legacy, clean and classy lines of the rifles that contain it. 308 Rounds: Which One Wins? What Is a 300 Blackout Good For? This round was originally developed as a replacement for 7. 300 BLK functioned in M4/AR-15 rifles and offered the same case capacity as the 5. Another blog topic I would love to see is a comparison between. Super-X, to go subsonic with a suppressor. In the former Soviet States, 30 caliber means. 300 Blackout in supersonic form to have a very mild and pleasant tone when fired through most suppressors rated for 308 Winchester. Weight Supersonic — 125 grains Subsonic — 220 grains Velocity Supersonic — 2,215 ft/2 Subsonic — 1,010 ft/2 Energy Supersonic — 1,350 lb. Without suppression, everything it does is done better by the. You will also notice that the 300 BLK supersonic rounds have a much higher muzzle energy than the subsonic rounds, which makes sense. 5 Creedmoor, the 300 Blackout has a bit more of an audience overall. The military in question is moving from 5. For all practical shooting purposes, there is no difference, but it . 3 inches, or just over four feet — indicating the. 300 Blackout, 16" 416R Stainless Black Nitride Bear Claw Fluted Heavy Barrel, 1:8 Twist, Carbine Length Gas System, 12" MLOK|New MLOK Side Charging Rifle(Gen 2. That makes the 300 Blackout about 45% more per round on average. Plus the best uppers and ammo out there. 300 Blackout is a relatively new cartridge with a unique history. 62×39mm Soviet cartridge in an AR-15 platform while using standard AR-15. 300 BLK has a bullet drop of some -114. The solid colors in the plot denote supersonic. When combined with a suppressor, 300 Blackout ammo can give you one of the most powerful, nearly silent rifles you can have. 350 Legend vs 300 Blackout (2022 UPDATED) A Must. 300 Blackout is an impressive round. 3 Suppression Rating Comparison - Subsonic 300 BLK vs. Flash Suppressor and Crush Washer. 300 Blackout was specifically designed to work well with the M4/AR15 style of guns. The Definitive Guide to 300 Blackout (2020). 300 Blackout is optimized for suppressed fire with heavy bullet subsonic loads but can also be used with supersonic ammunition when extra range is needed. Fitting in standard AR magazines, it is very generous when it comes to overall length. Is it the best “killer” in the network of potential survival self-defense cartridges? No. 308 Winchester rounds travel at a velocity of 2680 fps. in power, but is essentially the parent of the. These bullets make an exceptional 300 blackout bullet for those that want to run at supersonic velocity. After all, this is the round it was intended to dethrone. In a comparison of 300 Blackout vs. So LWRC will be making a ton of 6. I was eyeing the Ballistic Advantage 6mm uppers they just released, might. Search results for: 'combo sale upper 300blkout ar15 308. The caliber is a result of the military's experience using the 5. As far as the civilian market goes, 6. 5 Grendel generally has lighter bullets than the. 223 case neck sized to accept the. 308 AR15 - Visual comparison of why an AR15 cannot shoot. If you’re more interested in an Ar 15 300 blackout build we have an 80% build kit with everything you need to finish. 30-06 Springfield is central to this comparison because it not only falls between the. 30-caliber version of its famous big-bore brakes. 223 (AR-15 ammo) when fired out of a barrel that's less than 16 inches long and works reliably with both super- and subsonic ammo. The extra case capacity and the pressures for which the 5. 308 projectile, the neck and base diameters differ from the 5. 300 Blackout loads could chamber and fire in a. 458 socom barrels/parts, sure have been. 300 BLK feature disparate case designs. 8 SPC vs 300 AAC Blackout. Two AR-15 magazines with the black mag showing off a. 300 blk vs 308 ar which one. 308 suppressed compared to 300AAC subs. 308 (fitting in an AR-15 platform, short barrels, etc). Item Number: RM400-300B-16B-ECP-ODG. 300 Blackout have the same exact length, at 2. If shooting subsonic, most go . 56 NATO is loaded, combined with the light bullet mass is what keeps those bullets supersonic at distant ranges. The most obvious difference between the 300 Blackout vs 223 Rem is the bullet diameter that each rifle cartridge fires. 62×39mm Soviet cartridge in an AR-15 while using standard AR-15 magazines at their normal capacity. While the 223 crosses the 10″ down mark at a barely-better 320-340 yards compared with the 275 on the 300 Blackout, it stays much flatter further out. 5 inches’ barrel of an M4, 24 inches’ rifle barrel and also 9 inches’ pistols barrel. While the bullet is obviously much larger, the parent case is 5. To make it clear, the Whisper and the Blackout are definitely not the same thing. Hi guys,I'm looking for some info on 300 blackout vs 308 Win. It is famous for its uncommon compatibility with the 30-cal bullet. We will compare the Sierra 115 grain Match King. Besides, inside a home you won’t really need the long-range offered by the. 308 rounds are leaps and bounds above the 300 BLK rounds with over 1,000ft. 308 is a significantly larger cartridge suitable for engagement at longer ranges. 308 AR do that a 300 Blackout can't? Energy? Range? Cost? etc. 62x39mm M43 round used around the globe by the AK47. 26" long and have the same casing rim diameter. In the table above you can see the compared ballistics of both the. For a duty rifle that will conduct CQB work, this cartridge is a godsend. 300 HAMR: Which is the Better Cartridge?. This gives the 300 several advantages:. 56 vs 300 Blackout vs 308 Winchester: Which Is Best?. So-called AR-10 format guns are increasingly popular right now, and for good reason. This plays well with the popularity of 30 caliber suppressors, where some have even been developed specifically to handle the pressure of subsonic 300 Blackout ammunition, but not supersonic. 877-556-GUNS (4867) Local: 253-218-2999. 300 Blackout is a 30-caliber bullet in a. What are the pros and cons of a 338 Lapua vs. 308 Rifles, 300 Blackout Rifles and other calibers. The 308 Win is a popular cartridge among fans of the FN FAL and AR-10. 300 Blackout primarily in Close Quarters Combat (CQB) and defensive situations. It wouldn't be a good comparison piece unless we broke down everything to do with both the. Pros and Cons of 300 Blackout Vs 308 ; It is a very good solution for home defense; Uses the same magazine as your 556 hence no need to spend . 221, but you also can consider this case as a. 56 NATO is easily available compared to the. 300 Blackout Flash Hider Crush Washer 5/8″x 24 Thread. BLUF, you should get both, they are two totally different platforms. Grendel has five bullet types ranging from 90 gr to 130 gr, while 308 Blackout offers 78 gr to 225 gr bullet types, which are denser than Grendel’s. Despite the fact that 300 BLK vs 9mm, not 300 BLK vs. Both cartridges have the same overall length so they can fit in standard AR-15 mags. 308 Winchester have in common is that they use a. SILENCER SATURDAY #124: 300BLK Subs Vs. One of the best ways to shoot 300 Blackout is suppressed. 308 to be more exact) meaning the bullet choices for reloading a 300 BLK are as varied as any other popular 30 cal including the. 300 Blackout cartridges in the photos below. Army asked for a round that could fit inside a. 308 or 30-06, both mature options, you might not find the same availability for the Creedmoor builds. AR15 compared to 308AR, AR-10 AR308 weapon platforms To shoot a. You would have to roll your own. 56 (or any number of other rifle cartridges). 5 grains of water, the voluminous 300 Win. 308” compared to the Grendel’s 0. As a new hunter, the 300 based on this recoil factor may not be the best for you to start. 300 Hamr is a 30-30 that runs in an AR. This means that you probably won’t want to make it the primary caliber of your AR-15 rifle. SKU: SKU-191 Category: AR-10 Parts Tags:. 308, and leave out suppression, it's basically worthless. 308 Cartridges: Which Should You Go For. With an average BC of around 0. 56 vs 300 Blackout – Noticeable Differences. If you compare a 300 blackout round to a 308 round you'll notice immediately how much shorter the 300 Blackout is. 300 blackout and was all hot to build an upper. Compared to 350 Legend ballistics on a big game, 300 BLK has better accuracy, with improved projectile options. The high velocity 300 Blackout round is still short of performance compared many similar sized rounds. 62×39 in both velocity and energy when utilizing 95-150gr bullets. The 300 ACC Blackout utilizes a. 308 with 200-210gr bullets is hardly breaking a sweat at 2,400fps, which is faster than. org Although younger than the 6. 300 Blackout can manage with compressed loads and lightweight bullets. Bullets are available for both rounds with higher BC’s and so forth, but to keep things simple we’ll work with the Sierra MK bullets. The distinction means the round can fit into an AR magazine, an AR upper built for the. The 350 Legend and 300 Blackout are both decent choices. , and features a 100% steel construction for maximum durability. By the time we’re at 500 yards, the 300 Blackout is well past 90″ down compared with a 223 at around 50″, or about half the drop. 300 blackout muzzle device, gasses push their way around the projectile. The 308 is perfect for coyote, deer. 300 Blackout Flash Suppressor and Crush Washer5/8″x 24 Thread. However since the 300 Blackout uses a. 308 for the 300 BLK for an apples to apples comparison. 300 Blackout and Whisper can digest is impressive. I know I'd be giving up a lot of range by going with a 300 AAC vs a 308 but for me personally, I wouldn't be shooting animals that far out . 5 is a sub 400, and 308 is a sub 600. 8 SPC can share the same exact lower receiver, upper receiver and lower parts kit as a 5. 30-30 has a pronounced shoulder and a case length of 2. Remington Model 700 SPS-T 84205 300 Blackout, $680 GUN TESTS GRADE: A-The Remington SPS-T shot well in 300 BLK, both supersonic and subsonic. 300 Blackout is a round that lacks in several areas by direct comparison, but will outlive the others simply because it makes the most sense to the consumer at large. The table above you can see the compared ballistics of both the 300 BLK and the 5. January 13, 2020 10:06 am Reply Load More Comments. They're common enough, insofar as common equates to available these days. 300 Blackout vs 30 30 vs 7. 56 vs 308: Which Is Best For You?. The 300 BLK originally came from the 300 Whisper, a 30 caliber round solely designed for suppressed shooting. AR-15 & AR-10 Rifles, Pistols, Uppers, Barrels, Lowers, Receivers, Etc. 56 will both perform better at long ranges. 62×39 in Short Barrels First, they inquired about well-known and widely manufactured calibers. While there may be a relatively large selection of bullet weights/loads available for both ammo, 6. 350 legend vs 300 blackout. This season is Anse's first with the. 56 NATO typically runs 55 to 77-grain bullets, the. One way to think about this is as such: a foot-pound is a unit of energy equal to the amount of energy required to raise a weight of one pound a distance of one foot. Compared to my 308 WIN, the 300 AAC Blackout is intriguing because of its smaller case and lower powder charge. 224” diameter bullet while the 300 BLK uses a 0. 300 AAC Blackout I Don't Get It. 11 FS Hodgdon CFE BLK Hodgdon H110 Hodgdon. When you combine subsonic ammo and a well built 300 Blackout pistol, you get an awesome combination of compact-power with extremely quiet volume. 300 AAC Blackout are almost identical. 56 NATO: There's Really No Comparison. 300 Blackout Bolt Gun or 308 Subsonic. 300 AAC Blackout is the cartridge built to function in the AR-15 platform, and with its design comes a different mindset, as the cartridge is called upon to fill a special role. Shop Thunder Tactical for more high quality parts. 308 Win is a more popular round so you can have better deals. To keep your balance you must keep moving. 300 Blackout cartridge fills more of a specialist role when compared to the 5. 300 BLK for In hunting conversations, I've seen the. Your figures of 12 to 13 lbs (not foot pounds) compared to around 20 for the 300 mag are way off. 308 diameter 125 grain jacketed hollow point bullets. The biggest deterrent is the price which can be almost three times as high for match-grade ammo. 458 socom and our very own Tony Rumore's involvement in development of. Undoubtedly the 300 HAM’R will be compared to the popular 300 BLACKOUT or 7. 300 Blackout — A Closer Inspection Let us begin with everyone's favorite: ballistic data. 300 Blackout uses a much shorter (1. The biggest difference between the cartridges is the size and weight of the bullets they fire: the. 308-inch-diameter bullets—the most prolific large caliber—options abound. In this article, we will discuss several distinct advantages to. The 308 Win accordingly has greater range and stopping power, and is better for hunting when you would rather drop a distant whitetail with one . 300 Blackout vs 308 Winchester: The Comparison Although these calibers are two completely different rounds with differing modes of service, I wanted to give you a quick rundown of each rifle cartridge to explain the pros and cons. With bullets upward of 150/154 grains, the 7. In 350 Legend vs 300 Blackout bullet energy, the 350 Legend gets another win. As for twist rate, for optimum stabilization of 200 gr + bullets, you'll need a 1/7-8 twist barrel. Remember, full powder burn for a quality 300BLK round should occur somewhere around nine inches, whereas. 62×39mm rounds, 300 BLK rounds with varying loads What is the difference between 300blk and 308 blackout rounds?. 308 Winchester round averages out to about 2620 ft-lb. 56 load shoots flat at 200 yards and are both still on target at 300 yards, then starts to rainbow at much different rates. Compare Compare Items 300 Blackout; 308/7. 308 Winchester, read the article below: 223/5. And it will be gaining respect for its long-lasting history. 300 BLK was designed for subsonic and does a much better job than. A quick ballistic side by side comparison easily highlights the differences between the two. 300 Blackout is available in both subsonic and supersonic loads and is ballistically very effective up to 300 yards. 300 BLK, and the most popular civilian barrel length of 16-inches. This is to be expected given the rifles it is supposed to be paired with; it produces much less muzzle rise than the. 300 Blackout based on bullet weight and various performance metrics including velocity, energy, usage and recoil. Did a quick search and did not see a thread about this. That gives it an average of $1. AR-smiths across the board offer the latter, not so the former. 300 AAC Blackout and the yellow mag housing a. If I where in a cqb shooting suppressed then the 300 blk for sure. Comparison Between 350 Legend and 300 BLK Rounds. ALL Accurate 1680 Accurate 4100 Accurate 5744 Accurate LT-30 Accurate No. This bullet weight ranges from 78 grain at the velocity of 2,880 fps to 125 grain at 2,215 fps. This is because it’s very easy to use compared to the. In fact, compared to the old 30-30 lever action round, the 7. It seems no one else saw or answered the tough question. Although the 300 is new when compared to many other cartridges from the Winchester production line, it is very much accepted among hunters essentially for its velocity, the range of options it gives you when hunting and other features. The Whatoozy 7000 may be the perfect caliber according to you, but if no one makes a wide variety of ammo for it, it’s useless for all but one or two purposes. But to 200 yards, the difference is less than two inches. And the best 300 Blackout upper for the money is the BCM 9-inch MCMR-8. But Savage doesn't list a 300 AAC Blackout as a cartridge availability, so you'll have to find another round, such as our 185-grain Winchester 308 Win. 308" diameter 300 Blackout bullet is available in a far greater range of weights — anywhere from 110 to 220 grains. 300 AAC Blackout round averages out to 1350 ft-lb, while a. If you're up for more recoil, the 308 offers greater ballistic energy at range. 300 Blackout vs 308: Which One is Better?. 300 and it holds a substantial amount of powder while also being able to convey greater pressure than the. 45, the 308 Winchester is clearly the winner as 300 BLK …. 5 inches, or almost 10 feet, compared to the 5. 62x39: Everything You Need To Know. Bullets are available for both rounds with higher BC's and so forth, but to keep things simple we'll work with the Sierra MK bullets. Supersonic 300 blackout powders. The store will not work correctly in the case when cookies are disabled. At the muzzle, this is a difference of 1,250-foot-pounds of energy. 56 and 300 Blackout stack up against one another in a moment. Admittedly, Blackout—formally known as the 300 ACC Blackout—is still very much a niche chambering compared to the 5. 4 inches shorter in case length. Out at 500 yards, 300 BLK drops 30 more inches compared to 6. Complete AR-15 Rifles, AR-10 / Long Range. 300 BLK is a great option for home defense,. 46 mm with a shoulder diameter of 9. 300 Blackout was intended to function in much shorter barrels, it uses powders that are better suited to burn in short barrel lengths. The 300s pros Can hunt with (what I prefer for hog and deer) Can use for CQB/home defense Great with suppressor Perfect to SBR Mags same as your 556 300 Con's Significant bullet drop compared to 308 on average for long distance. 56×45, but with less speed its trajectory invariably arcs more sharply. 300 Blackout vs 223: Rifle Caliber Comparison by Ammo. Costs are also higher for the. January 13, 2020 10:06 am Reply Load More Comments get my new online course Click below for a FREE LESSON! Learn the 3 most popular shooting. 56mm cartridges are obviously lighter than the AR-10’s 7. However, depending on where the specific firearm and ammo in question where manufactured, the 7. 308 Win has a ton of bullet options available for it, along with a …. 300 AAC Blackout is designed as a variation of the older. 56x45mm NATO is like a Swiss army knife in the many areas it can excel in, the. 300 Blackout vs 308 Caliber Comparison: Why Intended. The best deal I have ever seen on 300BLK brass was 1F. - Shows the barrels that the cartridges were designed approximately 20-inches for the 5. Yes they both can and do run the same bullets but the 300Blk will be 200 to 400 FPS slower. While all this was going on, Bill Wilson, . These are our number 1 selling. 308 Winchester round goes around 2620 ft-lb, as tested on ballistic gel. 308, a careful measurement of rim, head, and body diameters shows a clear. The caliber is a result of the military’s experience using the 5. 62×39mm cartridge or, even more similarly, the 7. 300 BLK certainly doesn’t look like one of the usual suspects; it is a stubby little guy, definitely lacking the look of a long. From a 110-grain soft point to a 240-grain match boat tail, you can load anything that will fit the chamber and throat. Originally born of a US SOCOM contract with Advanced Armament Corporation (hence the. 62 NATO round = it’s the same bullet/projectile with a little less hitting power (but not, IMHO, much less!). a 300 Win Mag? 32,999 Views · Can you fire a. I have a CMMG Mk3 in 308 and a 300 blk SBR. We’ll talk more about how the 5. 300 Blackout round: With its earliest roots in gun designer J. Need a 308 rifle? You are in the right place. 308 and the new Hornady 6mm ARC. 300 Blackout upper very quickly. While some historians insist Winchester engineers worked from the. However, it has poor trajectory and not as much energy. Dead Air Sandman-S suppressor comparison with a. Where it differs, however, is in how many bullets you can carry at any given time. 8 mm (or 308 inches), and shell casing of this round is 34. 308, a careful measurement of rim, head, and body diameters shows a clear connection to the. 308-level performance out of the smaller AR-15 platform. The two cartridges have the ability to take high caliber . What are the difference and which one is the best choice for you. Try ammoseeker and pick up some reloads. 62 by 39 is actually a little larger than 30 caliber, about. 8 cartridge has a higher muzzle energy than the 300 BLK, clocking in at about 1,694 foot-pounds for the 115gr variant to 300 BLK's 1,360 for their 125gr offering. 308 Win while not as popular for long range as it once was is still a perfectly capable 1,000-yard cartridge, while 300 BLK is more like a 300-yard shooter. 223 costs pennies on the dollar compared to that. Looking further, the 300 Mag has a higher recoil than the 308, as the force generated by the 300 beats that the 300 Win Mag on an average by about 6 ft. It is proof of the American engineering success story. Auburn, WA 98002 [email protected]. When it comes to ballistics coefficient, the 308 Winchester is the clear winner when comparing to the 300 Blackout supersonic ammunition. 308 Win are fairly similar in pricing and can be found in a range of $1. Thus, the 300 Blackout round is a great pick for short barrel rifles.
308 Compared To 300 Blackout