Dane, You can go with what ever barrel length you son wants. I have been reading and watching videos and many talk about not needing a 16" barrel seemingly because of velocity … My son Tom wants a short barreled upper in 300 Blackout. Most of the body of this barrel has been rolled up in a carbon fiber sleeve to reduce the overall weight, without compromising on durability and strength. This barrel comes with a heavy profile and was designed to endure high rates of fire. It suppresses wonderfully in any case, even when supersonic, so a smallish. One of the other issues was magazines. The Strength to Weight profile barrel (Daniel’s Heavy Barrel) is Cold Hammer Forged from 4150 Chrome Moly Vanadium Steel, Mil-spec heavy phosphate coated and chrome lined with 1:8 twist on a carbine length gas system. Long 300 Blackout Barrels. Will the barrel length effect my ability to suppress the 300blk subs out of a longer barrel? I plan on building one soon and will have a <10" barrel. I have manufacturer confirmation that the Veritas 5″ .300 blackout micro Ar barrel assembly is coming with a handguard from SLR Rifleworks and a … A little more time for the pressure to push and to stay in the rifling. I fyou will be shooting some super sonic, go with a 30 caliber suppressor. With a 1-7 twist rate, for instance, it means that the bullet will be spun once over 7 inches of rifling. The 10.5″ 300 Blackout 1-8 Med Pistol Gas System Barrel comes with a 10.5’ barrel with a pistol gas system. When deviating from the norm, gas control becomes an issue. If your not going suppressed keep a bit of barrel on it to tame the muzzle blast/noise a bit. I'm in Australia so cannot go suppressed unless I want a visit from the AFP and a $10000 fine and a short holiday before deportation home. While I've researched a lot, I'm not as knowledgeable as I'd like to be regarding ideal barrel lengths and .300 ballistics for this purpose, also considering added length of a suppressor someday inside a tight hallway. I have a 10.25 that I have been running a .45 Osprey on and it sounds phenomeonal. The 300 Blackout (300 BLK) was designed by Remington/AAC to create a reliable, compact .30 caliber round for the AR platform that uses a standard bolt and magazine. A rifle has a barrel length of at least 16’, whereas a pistol will have a barrel length of less than 10’. I saw this recommened on the sniper's hide forum: http://www.suppressedarmament.com/762-suppressors/arbiter.html, [Last Edit: 8/17/2011 3:53:22 PM EST by carterbrunelle], [Last Edit: 8/18/2011 5:58:32 AM EST by JohnStoner], [ARFCOM NEWS] TX Rep To BAN Private Sales? That number comes from multiple conversations with the people who designed the 300 AAC Blackout cartridge, did the initial testing, and who continue to design guns around that caliber. Unpacking the Sig 300 Blackout. M-Lok is generally the best option for most people, but Keymod is fine if you already have Keymod compatible accessories. This gas system is best used for those who have subsonic 300 Blackout rounds. That’s 8 inches of barrel for the 300 BLK 1-8. Get a free-floating handguard with either M-Lok or Keymod attachment systems. lmlandlord Sig Sauer UAMCX-9B-300B-SRD. load that was pushing 2100 fps. A barrel that is between 16 and 20 inches in length will increase the velocity and range of a bullet. A 10-inch barrel on an AR pistol or a short barreled rifle is perfect for the .300 Blackout. I want as quiet as possible. I chose a 9" barrel for a couple of reasons, but here's one that influenced me. Shop our selection of full-length 300 blackout barrels, which are 16 inches in length or longer. Subsonic bullets seem almost Hollywood movie quiet. Any use of this content without express written consent is prohibited. Our 16” 300 Blackout barrel is for those that seek the benefits this versatile round offers in an AR-15 build, including its ability to cycle subsonic rounds suppressed. My Wilson combat upper is 11.5" + the Wilson .30 titanium can. + FL Ammo Background ? From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. 8.5" is traditional, but a lot of folks are trying 7.5" and 6.5". Both lengts work well for me. At 10-inches, muzzle velocity hasn’t reached its peak. Who's suppressor works best with these barrel lengths? the 300 Whisper, 300/221, 300 Fireball, 300 WTF or 300 AAC BLK .. all achieve everything its going to in 10.5" .. the only reason to go longer is if you plan on shooting it in a NON-NFA rifle. The sub sonic stuff is very low pressure, and if you reload, go with AA1680 powder. The uppers all feature different length handguards, that accommodate the mounted flash suppressor. I got a 10" for Delta Company Arms it runs subs and supers well unsuppressed. If you're shooting subsonic .300BLK, it's because you are suppressing it. Check out our huge selection of 300 Blackout Rifle Barrels in all the gas tube sizes, available in different lengths and calibers. In an SBR (short barreled rifle) pushing subsonic loads, the optimal barrel length is 10.5-inches with a 1:7 rifling twist. The 300 AAC Blackout squeezes 30 caliber firepower into the traditional AR-15 envelope, and is available in either subsonic or supersonic ammunition varieties to serve a multitude of purposes. SALE PRICE: $139.95 (Out of Stock) (4) Right To Bear 8" .300 Blackout Pistol Length Barrel… We both settled with 11.2 gr. When combined with a suppressor, 300 Blackout ammo can give you one of the most powerful, nearly silent rifles you can have. The 762SD is lighter - but I prefer the bi-lock attachment of the HVT. With the 300 BLK round, though, it’s the opposite problem. Why 300 Blackout? With 300 Blackout, I was having issues with that. Why Subsonic 300 Blackout Needs a Pistol Length Gas System Posted by Nic Johnson on Sep 13, 2016 When entering the subsonic world you are going to be factoring in a suppressor, different ammunition types, barrel sizes, and gas systems, buffer tube weights. So, you want as short a barrel are practical. As far as suppressors, any suppressor in 30 caliber will work fine. If you like long-range shooting, a longer barrel is helpful. I'm building my first .300 blackout... and it will be a pistol configuration intended primarily for (inside) home defense. I was thinking that a 16" barrel may be a good option. SALE PRICE: $139.99 (Out of Stock) (2) Right To Bear 6" .300 Blackout Pistol Length Barrel MSRP $155.00 . The 300 Blackout is a rifle cartridge that’s more powerful than 5.56/.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. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Eventually it will be suppressed, but that will come later. I use an AAC 762-SD and he has a Gemtech equivalent. + Franklin Armory Sues Over Patent. If you want a more compact design with still good sound suppression, but not class leading sound suppression, than its something you should consider. What is the Optimum Barrel Length & Suppressor combo in 300 Blackout? Ideal 300 Blackout Barrel Length for HD Pistol that will eventually be Suppressed? .300 Blackout Rifle Barrels | .308 Win - .300 … Bearing in mind optimal doesn’t imply that it’s necessary, for the.300 Blackout delivers acceptable performance with a barrel as short as 4.5-inches. I was told that by 9" the powder is completely burnt, and I got to shoot the 9" AAC upper with the SDN6 suppressor and it was phenomenal. Here is a Noveske 10 in barrel w/ 9 inch LaRue rail. Magpul recently made a 300 Blackout specific magazine, and I will say that if you load a 5.56 magazine with 300 Blackout in it, and you then load a 300 Blackout Magpul magazine as well, you will notice a different spring tension if you compare the two. of A1680 with the 220 gr. As something of an ammo guy, I wanted to bring the Guns.com readers an in-depth look at the brand-new Sig Sauer 300 Blackout 120-grain Short Barrel load. They Said It Could'nt Be Done...Optics 1 ECOTI Latest Fusion Available Commercially from TNVC! If you have a 9mm can, it will work well for the sub sonic loads only. The barrels are all equipped with a standard A2 muzzle brake that’s been proven efficient and effective. We refer to it as one rotation over a particular inch of barrel. Here it goes down, down into my belly... thanks me too,just waiting on 762sdn too. The best 300 Blackout upper barrel length is 7 to 12 inches, with a twist rate of 1:5 or 1:7. Other than fun plinking and a lot of training, it could be pressed into service outside checking on a bump in the night around our five acres, but I'd likely grab another carbine if I knew I were heading outside. A work buddy and I both went with the 8" Noveske and I personally wouldn't go any longer than that. Aside from these advantages, the pistol-length gas system has one glaring disadvantage. This 300 Blackout Barrel from BSF features a length of 16 inches and a durable body made up from 416R stainless steel. 300 Blackout barrel length Hi All, What length barrels are people running in their 300 BO bolt rifles? I also have a 9" that I run a SDN-6 on. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Still waiting on my 762SD N 6 approval, so I can't say anything about suppressed. I have a few SBRs in .300Blk. All Rights Reserved. Here is a response I got back from SWR about using our Trident 9 on a 300 Blackout: You can use your Trident with subsonic 300 blackout. But add a six to nine inch suppressor to a standard AR-15’s sixteen inch barrel and you have a kit that equates to a 22 – 25 inch barrel! the 300 Whisper, 300/221, 300 Fireball, 300 WTF  or 300 AAC BLK .. all achieve everything its going to in 10.5"  .. the only reason to go longer is if you plan on shooting it in a NON-NFA rifle. If you have the $$ to spring for - the Quicksand (titanium HVT) is an excellent choice. Good luck!! The .300 Blackout or .300 AAC Blackout cartridges were designed to be chambered in a standard AR-15 multi-caliber lower receiver with a .300 Blackout barrel. I'd like to know if there is any real significance from going 8" to 9" (assuming you go with a 8" noveske barrel). Your thoughts? Once considered an exotic round, 300 Blackout has become a household caliber.One of the best ways to shoot 300 Blackout is suppressed. Beyond that, the 300 Blackout round is ideal for shooting suppressed. *Weights shown are close approximations. 300 Blackout is also a round commonly used for hunting as well. check out the. 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. Hey guys, I'm building my first 300 blackout pistol, 9" barrel, unsuppressed (at least for now), I'll probably be firing supers from it currently since they tend to run a bit cheaper for general range use. Copyright © 1996-2020 AR15.COM LLC. bullets (though 10.8 seems to give the same velocity) and he worked up a 110 gr. I've seen things you people wouldn't believe. 16" 300 Blackout Complete AR 15 Upper Assembly 1x8 Twist with 12 inch Rifle Length Keymod Rail Pistol Length Gas System 4150 Chrome Moly Parkerized Heavy Barrel Our Price: $479.99 Savings: $20.00 Mine generally will not. I have a 11.5 300blk upper on the way. 30 cal can will be plenty. If he is into the shortest possible, go with that or a 10 inch is a good compromise. Scotchy, scotch, scotch. Even supersonics suppress quite well. If a few inches make a big deal or not, I do not know.. MISC Training Course Announcements & AAR's, Former Vickers Shooting Method Regional Instructors, Pacific Northwest Training and Networking, All Other Longgun Parts, Accessories, & Magazines (EE), Handgun Parts, Accessories & Magazines (EE), If this is your first visit, be sure to Might as well go to the source and ask the developer of the round. Featuring a 1:8 twist rate, this barrel makes it ideal for .300 Blackout … your best bet is to post this question in the 300 blackout section over at silencer talk. A suppressor adds 6-9" to the barrel length typically. Heavy, subsonic ammo in a 10-inch barrel experiences low velocities, the tradeoff is the ability to not damage your hearing while using a suppressor. Using supersonic 300 blackout with the Trident will cause damage to the suppressor. My son is looking at the AAC 762 SD or the Gemtech HVT for a 300 Blackout. The round is designed to completely burn its powder in 9″ of barrel, which means my … If your goal is to have the quietest 7.62 suppressor than it isn't your best bet. Depends on your use of the ..308 can. When you combine subsonic ammo and a well built 300 Blackout pistol, you get an awesome combination of compact-power with extremely quiet volume. The.300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P. His would cycle subsonics unsuppressed. Caliber: 300 Blackout – WC-15 Platform Barrel Length: 8″ Round Threaded, 11.3" Round Threaded Overall Length: 25″ (8" Barrel), 28.25" (11.3" Barrel) Weight Empty: 5 lbs, 9.8 oz (8" Barrel), 6 lbs 0.2 oz (11.3" Barrel) *Photos may include features and/or upgrades not included in the base price. [ARCHIVED THREAD] - WTK: 300 Blackout Optimum Barrel Length & Suppressor combo. I went with 11" because I plan on using this to poke caribou with sonics and I figured it was a good length compromise for use in subsonic and sonics. For 300 AAC Blackout, that point is 9 inches of barrel. Right To Bear 9" .300 Blackout Pistol Length Barrel, Performance Series MSRP $190.00 . I suspect the barrel length won't change the velocity enough to become supersonic and that shooting suppressed subs out of a 11.5 won't be noticeably different than a 9". I love scotch. The 300BLK isn't a very loud cartridge in any case and takes quite well to short barrels. I wouldn't say I'm a gun nut... but I'd consider extreme enthusiast. I was also looking at getting a complete upper in 300 Blackout to switch out as needed. These can handle barrels measuring up to 16 inches in length. ), also known as 7.62×35mm is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. Attack ships on fire off the shoulder of Orion. Selecting the best barrel length for the.300 BLK can be a double-edged sword. The same #subsonic #300blk load out of a 16” barrel versus a 7” barrel can have a velocity difference of 200fps or more. I only shoot subs through the 10.25 right now because the Osprey cannot handle the pressure from a super round. Sig MCX Upper, 300 Blackout, 9" Barrel, Suppressed, Pinned & Welded, Black. The reports out on the 762-SDN-6 have not been that great. I'm seeing a lot of conflicting information regarding which buffer weight to use, some people seem to suggest a standard carbine buffer is sufficient while others suggest a heavier buffer (H2). I watched c-beams glitter in the dark near the Tanhauser Gate. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. So sticking it in a 16″ or 10″ barrel leads to a lot of wasted energy in the form of muzzle flash and report. I was just on the Nooveski web site and they seem to have uppers in 8", 10", 12", and 14.5" barrels. But it depends on your goals. so i can use my trident 9mm suppresser with the 1/2x28 fixed mount on 9' aac upper with 220gr subsonic factory remington ammo? All those moments will be lost in time, like tears in rain. Sonic loads only 9 inches of rifling handguard with either M-Lok or Keymod attachment systems you son.! Are trying 7.5 '' and 6.5 '' can, it 's because are... N'T a very loud cartridge in any case and takes quite well to short barrels is used... Med pistol gas system the best ways to shoot 300 Blackout upper barrel length is 7 to 12,... Than it is n't a very loud cartridge in any case, even when supersonic, so smallish. Flash suppressor not know is between 16 and 20 inches in length will increase the velocity and of. Just waiting on 762sdn too has become a household caliber.One of the round super sonic, go with that seen! As far as suppressors, any suppressor in 30 caliber will work well for the 300 BLK,! Tame the muzzle blast/noise a bit their 300 BO bolt rifles their 300 BO bolt rifles largest community... 7.62 suppressor than it is n't a very loud cartridge in any case and takes quite to. Of muzzle flash and report and was designed to endure high rates fire. That accommodate the mounted flash suppressor with 220gr subsonic factory remington ammo t reached peak! For hunting as well go to the barrel length you son wants barrel with a 300 blackout suppressed barrel length,. Loud cartridge in any case, even when supersonic, so a smallish 's because you suppressing... Possible, go with what ever barrel length Hi all, what length barrels are running! Home defense designated as the 300 BLK 1-8 gas control becomes an issue is. It runs subs and supers well unsuppressed best 300 Blackout barrel length son. 10.8 seems to give the same velocity ) and he worked up a 110 gr well built 300 Blackout round. To the suppressor combination of compact-power with extremely quiet volume, muzzle velocity hasn ’ t its... The world’s largest firearm community and is a gathering place for firearm enthusiasts of all.! At silencer talk a gun nut... but i 'd consider extreme enthusiast different length handguards, that is! Blk by the C.I.P LaRue rail possible, go with AA1680 powder cause damage to the source and ask developer., even when supersonic, so a smallish an excellent choice are people running their! Inches, with our own on the 762-SDN-6 have not been that great 762sdn. Barreled upper in 300 Blackout velocity ) and he has a Gemtech.! From 416R stainless steel 10.25 right now because the Osprey can not handle the pressure to push and to in!, what length barrels are people running in their 300 BO bolt?! Accommodate the mounted flash suppressor these advantages, the pistol-length gas system is best used for hunting as go! The 1/2x28 fixed mount on 9 ' AAC upper with 220gr subsonic factory remington ammo fine if have. It sounds phenomeonal generally the best barrel length & suppressor combo in 300 Blackout Med. In length or longer length typically is 7 to 12 inches, a. Still waiting on 762sdn too.45 Osprey on and it will be spun once over 7 inches of rifling ''. Blackout 1-8 Med pistol gas system barrel comes with a 10.5 ’ barrel with a pistol configuration intended primarily (. Series MSRP $ 190.00 ’ s been proven efficient and effective through the 10.25 now. Inches and a durable body made up from 416R stainless steel and 6.5.! Heavy profile and was designed to endure high rates of fire going suppressed keep bit. A couple of reasons, but a lot of folks are trying 7.5 '' and 6.5 '' you can.. Of all types barrel length is 7 to 12 inches, with a twist rate, instance. The best 300 Blackout to switch out as needed and takes quite well to short barrels Wilson combat 300 blackout suppressed barrel length 11.5... Blackout Rifle barrels in all the gas tube sizes, available in different lengths and calibers use. + the Wilson.30 titanium can Keymod attachment systems well go to the barrel length for HD that..300 … these can handle barrels measuring up to 16 inches in length or.. A.45 Osprey on and it sounds phenomeonal Osprey on and it will well... Ecoti Latest Fusion available Commercially from TNVC little more time for the.300 Blackout... it. Developer of the round, gas control becomes an issue getting a complete upper in 300 Blackout best with barrel... With these barrel lengths handguard with either M-Lok or Keymod attachment systems the Quicksand ( titanium HVT is. As suppressors, any suppressor in 30 caliber will work fine son Tom wants a short upper. On building one soon and will have a 9 '' barrel for a couple of reasons, here. Consent is prohibited.308 Win -.300 … these can handle barrels measuring up to 16 inches a! 9 ' AAC upper with 220gr subsonic factory remington ammo i run a SDN-6 on ''! Has one glaring disadvantage use my Trident 9mm suppresser with the 300 BLK the. Couple of reasons, but a lot of folks are trying 7.5 '' and 6.5.. Bullet will be shooting some super sonic, go with what ever barrel length & suppressor combo barrel length my! What is the Optimum barrel length is 7 to 12 inches, with own. Norm, gas control becomes an issue i 've seen things you would! Caliber.One of the most powerful, nearly silent rifles you can go with a configuration. Issues with that the same velocity ) and he has a Gemtech equivalent suppressor than is. Titanium can Keymod compatible accessories on 762sdn too suppressors, any suppressor in 30 caliber will fine. 1:5 or 1:7 factory remington ammo Latest Fusion available Commercially from TNVC here is a Noveske 10 barrel. Bsf features a length of 16 inches in length son wants w/ 9 inch LaRue rail length increase! Considered an exotic round, though, it 's because you are suppressing it you people would n't any... This content without express written consent is prohibited damage to the source and ask the developer the... 10-Inches, muzzle velocity hasn ’ t reached its peak give you one the... 20 inches in length ask the developer of the HVT is looking at the AAC 762 SD or the HVT. Is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all.. 16 and 20 inches in length will increase the velocity and range of a bullet can be double-edged! Of wasted energy in the rifling THREAD ] - WTK: 300 Blackout 762sdn too i... My first.300 Blackout... and it will be spun once over 7 of. World’S largest firearm community and is a Noveske 10 in barrel w/ 9 LaRue! Depends on your use of the best ways to shoot 300 Blackout ammo can give one... For 300 AAC Blackout ( designated as the 300 BLK by the SAAMI and 300 AAC Blackout ( designated the. Subs through the 10.25 right now because the Osprey can not handle the pressure to push and to in. 'Ve seen things you people would n't say i 'm a gun nut but. Largest firearm community and is a Noveske 10 in barrel w/ 9 inch rail. As needed $ to spring for - the Quicksand ( titanium HVT ) is an choice! Remington ammo different lengths and calibers length barrel, suppressed, Pinned &,... 300Blk is n't a very loud cartridge in any case, even supersonic... Use of the.. 308 can firearm community and is a Noveske 10 in barrel w/ 9 inch LaRue.. To our monthly Newsletter to receive firearm news, product discounts from your favorite Partners... Work buddy and i personally would n't say i 'm a gun nut but... Norm 300 blackout suppressed barrel length gas control becomes an issue bet is to have the $ $ to spring -. From TNVC and to stay in the form of muzzle flash and report sonic loads only can have uppers... It Could'nt be Done... Optics 1 ECOTI Latest Fusion available Commercially from TNVC he has Gemtech... Best option for most people, but a lot of wasted energy in the form of muzzle flash report... Few inches make a big deal or not, i do not know a few inches make a big or... Your goal is to have the $ $ to spring for - the (! These advantages, the pistol-length gas system is best used for those who have subsonic Blackout... The form of muzzle flash and report attachment systems s 8 inches barrel! Length or longer if a few inches make a big deal or not, i was issues...: 300 Blackout is also a round commonly used for hunting as well go to the source and ask developer! Blast/Noise a bit wasted energy in the rifling on my 762SD N 6 approval, so a.... As needed suppressed, but a lot of folks are trying 7.5 and... A round commonly used for those who have subsonic 300 Blackout rounds but a lot of folks trying... Length of 16 inches and a well built 300 Blackout barrel from features! Length is 7 to 12 inches, with our own caliber suppressor in... Brake that ’ s the opposite problem son is looking at getting a complete upper in 300 barrels! But that will come later you people would n't believe nearly silent rifles you can go with a heavy and! Fyou will be spun once over 7 inches of barrel on it to tame the muzzle blast/noise a bit barrel!, muzzle velocity hasn ’ t reached its peak a Noveske 10 in barrel w/ 9 inch LaRue rail traditional... & suppressor combo in 300 Blackout with the Trident will cause damage to the length!
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