The first question to consider before you ask if you ought to use 300 blackout supersonic vs subsonic is whether or not you plan on shooting suppressed. As others have pointed out, if you're going to take the longer barrel and not suppress it (or shoot supers suppressed) then there are other calibers that work well in the AR15 platform and give better performance. I reload all my stuff so factory ammo prices aren't a consideration for me. Almost forgot about ammo. Download the app DOWNLOAD Shopping with us is absolutely safe - you never have to worry about credit card safety when shopping here Share your latest AR build or photos from the range with #RangeDayFriday for a chance to win a new firearm! OTdmMTQ0NThiYmQ1YTBkNDc2NGIwN2E1NzFiZTVjMDVlMjJhZTViNTU0YmI5 But! If you are going to reload the 6.8 is a much better wildcat supersonic round for the AR. We offer several different.300 blackout build kits for whatever your needs are. ZTAwMjMwYmQ2M2ZjMTc1ZjMxYzkwMGE2NzlkNjg2NWRkZWNhZTFkZmJmZDNm No big surprise guys but Short barrel+weak ammo+ no backpressure=shit reliability ps. Required fields are marked *. font-size: 1rem; Scan this QR code to download the app now. 300blk subs are POINTLESS to run without a can, they're still loud, less effective and unreliable, with a can yes they are super quiet and badass. Y2I4ZjgxMDJmNDg1ZGMwMzQ2NzFmN2E5YTcwZDQwZTViYmU5MDc5ZGE3OWU0 In terms of ballistics and terminal performance, supersonic is where 300 BLK really shines, especially in SBRs, and especially compared to 5.56 for short to mid-range use. I really like the FAL adjustable gas system. Do yourself a favor and get one you deserve it. I have an SBR as well in 300BLK which is more fun but when traveling out of state it's easier to just take my 16". And! Subsonic is also preferred where the hunter wants to limit the maximum range of projectiles. Factory ammo is unreasonable high, but reloads can be as cheap as 223. by 300Blk Fri May 27, 2011 9:36 am, Post This caliber has used up all the powder at about 9 of barrel, so it really affects carbine length systems imo. I usually end up cutting 3-4 coils from the spring to add an edge of reliability to a subsonic. 300 Blackout offers a range of performance, in both supersonic and subsonic loadings. The 300BLK is a very capable rifle in the 16 inch configuration and can take any 4 or 2 legged animal that either the 7.62X39 or the 6.8 can in normal shooting ranges of up to 300 yards. A bullet traveling at higher speed means more energy that can be transferred to the target upon impact, more effective range, more tolerance to drop and wind drift. An M1A would be cool too have, but going custom on my first buy. Fact is, they are not out just yet - so you probably need a 5.56mm upper for now. I now am thinking it could be dwell time. Although still considered to be on the higher end of the price spectrum, supersonic 300 BLK is the slightly more affordable option sitting at $0.75 - $1.15 per round. Unless your 300 is just going to be a range toy, the cost savings isnt worth the risk. Always (always) keep in mind that were operating in a world of fractional milliseconds defining too much and not enough, and hotter and cooler.. Accuracy is determined by spin stabilization, and 1:8 is sufficient at subsonic speeds for up to 225gr BTHPs; transonic for 240grs. If you've chosen 300BLK to help accomplish this goal, you're on the right track. MjQxYzgwMWFlN2IyYmNlZWI5N2JjZGQ0ZGU1MzQyZmI5MWMwODk1ZjUxYmMw Post On the contrary, YouTube some videos on 300BO performance and you may be surprised. Most subsonic blackout ammo uses a bullet in the 200-grain range, and, of course, .308 diameter. NmYzMzU2MjU0YmYzZjg4NDg1MTU4MWE0NDc4ZWUyODcyZTAwNjVhMmQxMjcy I don't have a single SA rifle of any kind, so all I do is read other peoples post about any SA rifle (M1A and other AR types). ZDJlOTQ0YzNkMDAyZTc2YjY5MWFjY2Q4MzIxOGVlNTAzYTQ1ZWZlMmU0MTQ0 To make the latter work, the . I prefer the looks of the Shockwave Blade type brace if you need to do a brace. Save the heavier and stouter parts for supersonic. cursor: pointer; Hornady Subsonic Ammunition designed for accuracy and performance below the speed of sound now comes in both rifle and handgun loads. Anyway, read through the responses below and let us know your thoughts in the comments section. I like the x39 because I can blast cheap steel cased ammo and not have to scrounge for brass. Thanks for the info and well reasoned opinions. I got into .300 BLK because it excels in short rifles and has subsonic ammo for suppressor use. Would have spent my money on a Garand or old levergun. We will promptly replace or repair any product that we determine to be defective. I would like to start pig hunting with it. I have AR's in .22, 9mm, x39, .223, 6.5G and .308. I've thought about building a .300, but don't see the need.. Long grooves in its gilding metal jacket combine with the bullets flat profile and the patented Flex Tip insert within its hollowpoint cavity to help it expand reliably at low velocities. MmI2MDAzY2VkZmQ4MzZiZmU1OWQzZjU2ZDIxMmM4OTBjMGM2NDQ3YWEzNTUz MDg4M2FmZmNlODRjODM3ZTQ1MzAzYTNhOGU3NWQ0YzVlOWM2NjcyZGQyMmEw If this is a primary concern and you think you'll be shooting at targets within 100 yards then subsonic rounds complimented with a suppressor device is worth exploring. Posted: 1/25/2015 10:31:10 AM EST. The newer braces are less ugly & stupid than just a couple years ago. I had been considering the .300 Blackout for a while too. If youve chosen 300BLK to help accomplish this goal, youre on the right track. white-space: nowrap; Supersonic ammunition will provide more range, energy delivered on target, and less drop or wind-drift at range. The additional bullet weight keeps the rounds from breaking the sound barrier, and gives them as much energy as possible. The information provided here does not represent the views of Cheaper Than Dirt! LE Silencers Science The Shooter's Log, is to provide informationnot opinionsto our customers and the shooting community. All Rights Reserved. If I couldn't suppress or SBR, I probably not even go with another AR. Yes it does shine suppressed. [ARCHIVED THREAD] - 300 Blackout, is it worth it if you can not go short or suppressed? Full Feature: Anderson Manufacturing Kiger 9C Pro 9mm, Throwback Thursday: 5 Long-Slide Pistols I Can't Live Without, The History Fixed and Adjustable Iron Sights, Rifle Hack: Sighting for 100 Yards at a Distance of 25 Yards, Throwback Thursday: All About Bullet Grain. Be first to know about promotions and new product launches. Unsuppressed, a significant muzzle flash will occur that may hamper low light visibility, the report may cause hearing damage and temporary disorientation. Home Ammunition Subsonic Success: Getting Good Function From a .300 Blackout. So, being new to AGBs, here are my few thoughts and what I think I've figured out on their AGB. So this brings me to my final points/questions. I obviously misread. But that's exactly what it was designed for. The Mission of Cheaper Than Dirt! Same with the 16" 7.62x39 upper I got from PSA. I also have not put many thousands of rounds through it and I havent checked it for wear. Product Features PROVEN PERFORMANCE Performance of 300 Blackout Subsonic meets or exceeds FBI Protocol terminal ballistic test requirements. We also offer our patented AR-15 and .308 Easy Jigs which is the first 80% lower jig that makes it ridiculously easy for a non-machinist to finish their 80% lower in under 1 hour with no drill press required. We stand behind all our products and were here to support you. You are using an out of date browser. The idea that you can have a single setup of buffer mass, gas port size and gas system length that will handle 28kpsi unsuppressed subsonic loads and suppressed 55kpsi supersonic loads equally well is ludicrous on its face. Subsonic rounds have about the same energy on target as a .45 ACP round. If you don't have that roll to fill, you don't need it. 300 Blackout 9" Noveske Barrel (pistol length gas system) STAG Upper and STAG Lower ? If I couldn't do short with 300blk I would have zero interest in it. Optimal performance is guaranteed if you run the barrel unsuppressed with supersonic ammo or suppressed with subsonics. Even a thin-jacketed traditional match bullet wont expand at subsonic velocities, it may tumble, but may act more like an FMJ until it becomes unstable. The truth is that supersonic .300 blackout is absolutely better than subsonic, in all areas but one. I dont know if it will have the short comings of flame cutting as listed above. .223/5.56 is what you should buy. Right, its only good for subsonic, but it runs perfectly! They just expected people to know this. There are so many custom bullets and loads being developed. Not sure, probably standard buffer and buffer spring ? Share your tips in the comment section below. FNG / New Forum Member today, registering just after my first range session with my new SA SAINT .300 Blackout pistol. I forgot to say, 175 grain 3-gun ammo is being loaded right now - but only 10,000 rounds at first, so none will be for sale. . NWY3ODNkODRmZWU0NTQ5OTY4OWFkNDE5NDExZjE4ZTZmN2JmZjI0YzRhMWFh Powders are selected for optimal performance and consistency from lot to lot. Looks like it will be an SR7 with 90T when they hit the well stocked local Class 3 dealer! *Must have a registered ARFCOM account to win. ( 3) Write a Review Ask a Question. That is what AAC designed the 300 blk to do and they know how to do it. M2E4MmIxYTg4Yjk2MjY3ODhlNzJjZmZhYWY1ZGZkMTdmNzYxZWIxMWZjZDdk If you don't have any experience with a suppressor I recommend you do your homework on the different models as cost doesn't always mean best sound suppression or quality. MGQ3NDgzZjU3MzUxOGM3ZmI4ZGY1NWNkMjkwNDhjZTZkZTU2YjI4MDk3YjU3 If not, and you need to hit targets at distances past 3-400 yards then opting to shoot 5.56 NATO instead will save yourself some money. Speaking of adjustable gas blocks, dont run one on a pistol-length system. Most subsonic blackout ammo uses a bullet in the 200-grain range, and, of course, .308 diameter. The 110gr Barnes TAC TX are great hunting bullets, and while we could argue all day about ballistics, you can't argue that the 300BLK is the simplest conversion and its effective. .btn-warning { It all depends on what you want to do.Tons of 556 brass to roll your ownI like the 300 blackout in the carbine role..16 inch with supersonicsgreat venison and critter getter.I have no desire to spend the cash.and buy the stamp and the can Yeah the whole reason to get a 300BLK is for subsonic rounds to be hearing safe quiet with a suppressor. It is also great supersonic for hunting. I've been tying to keep an eye on 300BLK supersonic development, for me what comes out of supersonic in the next months will tip the scales on whether I go 308Win or 300BLK on my next purchase. Originally born of a US SOCOM contract with Advanced Armament Corporation (hence the.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 having to move away from the M4 based platforms they were already familiar with. I also do not like the lack of adjusting information. font-weight: 400; If I was not into NFA items I would not own a BLK rifle. The loudest factors from using suppressed subsonic ammunition comes from the sound of the bullet impact and the bolt carrier group cycling back and forth (when using AR platforms). OUR GST-9 IS UNAFFECTED BY THE LATEST 12/28 ATF CLARIFICATION LETTER & SHIPS IN 3 DAYS! A heavier buffer and spring, or an adjustable gas block, can provide the cushion the supersonic needs to avoid over-function.. We posted another video from Class 3 Ordnance a little while ago where he shot a 7.5 Adams Arms Tactical Elite Upper with and without a silencer (find article HERE ). Subsonics cycle with a suppressor almost universally with all barrel makes. Fixed gas block and std buffer spring. In a possible third part of the series, Im considering asking a few hunters and invasive species control experts (wild hog eradicators) for their opinion. A heavier grain, typically around 180-220 grains, introduces more weight to the projectile, preventing the bullet from exceeding speeds that would break the sound barrier like a supersonic round normally would. Running subsonic through my purpose-build supersonic blackout required changing a different buffer and a shortened spring and it runs, but its sluggish. SwedishMoose 3 mo. In general, most people prefer a self-defense rifle bullet that expands rapidly and doesnt over-penetrate so that bullets wont travel through multiple walls or similar structures. Y2JlY2Q1YmJhNWYxMjYxZTFhNDI1Yzg0N2U1MmMzZGJlY2U3MTk5ODY0MTdk I cut a couple even with my shorter gas system on the subsonic. I had read those can cause more fed issue than FMJ in the AR platform. Unique powders optimized for subsonic use result in a low flash signature, ideal for either suppressed or unsuppressed performance. America's Ultimate Shooting Sports Discounter, Subsonic Success: Getting Good Function From a .300 Blackout, The preceding is a specially-adapted excerpt from, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window). An argument for another day. Been kicking around the idea adding a 300 Blackout into the mix, yet state laws do not allow for SBRs or suppressors. The XTP bullet in Subsonic Handgun has built a world-class reputation for accuracy and stopping power. Range Report: How Good Is the Smith and Wesson M&P FPC 9mm Folding Carbine? I think carbine length systems and 16 barrels are part of the problem with .300 blk. Supersonic rounds are the standard rounds most shooters are familiar with as they are the more practical rounds for most applications compared to subsonic rounds. I think that's what OP is after. The .300blk sub will likely be slightly louder than a 9mm sub, assuming similar barrel lengths. 300blk subs are POINTLESS to run without a can, theyre still loud, less effective and unreliable, with a can yes they are super quiet and badass. These two factors make suppressed supersonic rounds very effective and an attractive choice in confined close quarter environments. So while many believe .45 ACP to be the mighty fist of God, we know today that pretty much ALL handgun rounds are pretty terrible at stopping threats. That really all has to do with bullet design/bullet engineering. Frangible is best for the indoor range. Buy American Eagle 300BLK 200gr Suppressor. You are supposed to shoot super Sonic on the lower setting and use the higher one for shooting subsonic without a suppressor. All comments are held for moderation and will appear after approval. Heavy for caliber bullets are often used to off-set lack of velocity and still provide great short to medium range performance. It has a adjustable gas block with two settings, smaller opening and larger opening. I hope this was helpful, cheers. Given your situation, a "pistol" setup may be in order. Suppressing a supersonic round does a great job of protecting your hearing, but you'll never get the Hollywood effect. If you have any interest in shooting quiet be it with a suppressor or not (subsonic 220gr is a little louder than a .22 unsuppressed) the 300blk is THE BEST subsonic/supersonic rifle available. I have found that the best overall approach to subsonic function is to shorten gas system length. I keep seeing guys new to the 300 BLK on other forums asking about how to open gas ports to reliably run subs without a suppressor and I just don't get it. - So, the Mode 1 set screw, fully inserted, allows the maximum amount to gas to be used in cycling the weapon? by Recoil737 Fri May 27, 2011 4:38 am, Post First, supersonic ammunition was tested unsuppressed through a custom AR-15 pistol with a Brownells 10.5-inch .300 Blackout barrel with a 1-in-8-inch twist rate. Run a pistol-length location gas port (four inches ahead of the chamber area) with a carbine-length (16-inch) barrel. Re: Is 300BLK worth it in supersonic unsuppressed ONLY appl. I agree, but not for some reasons commonly given. Subsonic rounds hold two advantages over supersonic rounds: quietness and less recoil. It's been metered and subsonic .300Blk is far quieter. The 300BLK can run both super and subsonic ammo with a change of a magazine. If have two, 6.8s and you are thinking of a 300 blk.i say do it. I enjoy them just as much as the short ones. NzAxZTZjNWI1YTkzYjU4MzU0Nzc0YTU2MjFmMmYyNGQ0OTk3N2ZmN2QzYmZh So while someone may not be able to pinpoint where they are being shot at from, they're still going to be very aware that they ARE being shot at. Fun as hell and easy to tote. (Clearly, supersonic Blackout beats it soundly.). Does some damage with Barnes vor-tx bullets. In the review on the MCX from ammoland the author says, "We experimented with a variety of 300 Blackout ammunition. Thats port pressure. Not technically the same as chamber pressure, but its from the same source.
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