The .300 BLK has easily been the most successful new caliber in the last 20 years. One of the most unique aspects of the AR-15 is that you can configure it to fire a long list of various cartridges by swapping out part of the riflethe upper receiver. The barrel is made of polished 416R stainless steel, a metal that is significantly tougher, more corrosion resistant, and better at maintaining accuracy after thousands of rounds than typical carbon steel. by A-Game Thu Jul 09, 2015 5:45 pm, Post Some companies have proprietary attachment systems, like this one from LWRC: Most of these systems are just holes that allow you to attach small sections of picatinny rail, which you can then mount accessories to. BCM Standard 9" 300 BLACKOUT Upper Receiver Group w/ MCMR-8 Handguard MSRP: $984.50 Your Price: $731.45 Out Of Stock BCM BCM MK2 Standard 9" 300 BLACKOUT Upper Receiver Group w/ MCMR-8 Handguard MSRP: $1,015.10 Your Price: $756.49 Out Of Stock BCM BCM Standard 7" 300 BLACKOUT Upper Receiver Group w/ MCMR-5 Handguard MSRP: $984.50 300 HAM'R leads the way. .300 BLK Uppers; 9 Items . Its perfectly legal to buy all of these uppers. If you would like to proceed without signing in, you can checkout as a guest. Your form has been submitted. They are back on the website but still marked as "out of stock". If you want one of the best 300 Blackout uppers around without paying an arm and a leg, you want the BCM 300 Blackout 9-inch MCMR-8. View product. The price was somewhere between $800-900. The AAC Complete Upper .300 Blackout 9 Inch Barrel 51-Tooth Blackout Flash Suppressor 5/8-24 TPI Threads - All NFA Rules Apply 100884 is a quality addition to the Advanced Armament Corporation lineup. The 300 Blackout Upper can also have a variety of Handguards and different finishes. 1-8 rh twist , .750 under gas block. The 300 Blackout, officially known as the 300 AAC Blackout or 300 BLK, is a cartridge designed to be fired through AR-15 rifles with shorter-than-average barrels. DB15 300BO 10 UPPER RECEIVER WITH 9 M-LOK RAIL, BLACK $ 234.99 - $ 433.39 10.5 300 B.O. shooting 5.56 in a 300blk will not explode - but your guess is as good as mine where the bullet goes . A2 receiver and stock. 300 Blackout Rifle Uppers - Daytona Tactical Hardened to 26-32 rc and stress relived. 5/8-24 threads. Create AR-15 300AAC Blackout 16" Fluted "Black Shark" Upper Assembly. Barrel Finish: NitrideBarrel Extension: M4 Shop now and get Free Value Shipping on most orders over $49 to the 300 Blackout chamber uses AR-15/M16 BCG and standard AR-15 mags. ar-15 magazines; . Summary: If you want an upper receiver group that works right out of the box, buy a complete upper receiver with bolt-carrier group and charging handle. The bottom line is that if you have a particular charging handle or bolt-carrier group youd like to use with your new 300 Blackout upper, try to find an upper that. Gas-key is heat-treated and properly staked. In case you arent familiar with the term, NFA stands for, , a piece of legislation that puts additional restrictions on particular guns that the. Please try again, or email us directly at. 9AM-5PM CT Sat-Sun (Chat & Email Only), AAC Complete Upper .300 Blackout 9 Inch Barrel 51-Tooth Blackout Flash Suppressor 5/8-24 TPI Threads - All NFA Rules Apply. Barrel Length: 9" Great investment all around! Since the 300 AAC BLACKOUT is an official SAAMI spec cartridge now, hopefully more innovation in this platform will come about. Subscribe to back in stock notification. This is worth remembering, as youll often find low-priced 300 Blackout uppers that seem like a great deal, when in fact the reason theyre so cheap is they dont include all of the parts you need. I became my group's "gun guy" and everyone who had questions came to me. This drop-in 300 Blackout upper will attach to virtually any standard AR-15 lower assembly. My personal favorite is the 8.5-inch upper with an MLOK rail. CA and NY compliant.Action:Semi-autoGas System:Pistol Length Gas SystemChamber:300 BlackoutTwist Rate:1/8button rifledBarrel:16" heavy barrel, 4150V steel, chrome moly, heat treated, black, M4 .. AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY&nbs AR-15 300 AAC Blackout 16" Carbine "CLAW" UPPER ASSEMBLY / MLOK. I know this can be confusing, so if you have any questions about this process, leave a comment below and Ill help you get it sorted out! 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! (There are anecdotes of people shooting over 12,000 rounds through 416R stainless steel barrels using much more powerful rounds than 300 Blackout). Sig Sauer MCX .300 AAC Blackout 9" Complete Upper Assembly & Stock Knowing the industry, there must be some amazing options on the market I simply havent seen. The length also gave me enough rail real estate to put on lights. 300 Blackout will operate either supersonic for long range application, or subsonic and suppressed for close quarters engagements. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. Set Descending Direction. Buy a 300 Blackout upper with a barrel less than 16-inches long and put it on a lower that has a brace instead of a standard stock, and be on your merry way. The bolt carrier group is a custom design from Radian Weapons that reduces friction when firing, and its nitride coated for a smooth, low-friction, extremely durable finish. Chambered in 300 Blackout. 1-8 rh twist rate, .750 under gas block. Just drop an upper on your standard mil-spec AR-15 lower, and y.. AR-15 16" 300 AAC BLACKOUT PISTOL LENGTH 1/8 NITRIDE 15" LIGHTWEIGH AR-15 16" 300 AAC BLACKOUT STAINLESS UPPER WITH THREAD PROTECTOR. This is a 300 Blackout upper with a 9-inch barrel and a 9-inch rail. 8.3" .300 Blackout BA Hanson Pistol Length Performance W/7" AR15 ATLAS R-One M-LOK Handguard Complete Upper . Notify me of follow-up comments by email. The bottom line is that if you want the best 300 Blackout upper money can buy, you want the Radian Weapons Model 1 9 300 Blackout upper. Primary Weapons Systems sells a complete upper exclusive on Brownells that is competitively priced compared to the others on this list, but you get a far superior action. The pistol upper has a 10.5" barrell with a 12.62" free float hand guard. Cant beat it. However, subsonic 300blk tends to be pretty good about letting the operator breathe, depending on manufacturer. Barrel Thread- 5/8x24 Bolt carrier group meets full-auto specifications (full auto operation requires a full-auto lower receiver). Just drop this pistol upper assembly on your Mil-Spec lower receiver and enjoy the outdoors. 5. Both rifles are Wilson Combat, I'm not sure if those exact ones are still made though. This unit functions perfectly well with both subsonic and supersonic rounds. 7.5" 300 blackout ar-15 barreled upper - mas defense squadron 9.87" lightweight quad rail - fde msrp: $418.00. Barrel Twist- 1x8 CA and NY compliant.Action:Semi-autoGas System:Pistol Length Gas SystemChamber: 300 AACTwist Rate:1/8, button rifledMuzzle Device: Slip over barrel shroud with multi port muzzle brake, 5/8X24Barrel:16".. AR-15 300 BLACKOUT 16" MLOK UPPER ASSEMBLY WITH SLIP OVER BARREL SH AR-15 300 AAC blackout 10.5" pistol upper assembly with flash coneBARREL- 10.5" 4150VPARKERIZED HBAR/HEAVY CONTOUR BARREL. Made from aircraft quality aluminum and blue hardcoat anodized.Barrel- 9" nitride (black) chrome lined barrel,5/8x34 Threaded,1x8 twist, Chrome Moly 4150, C.. AR-15 300 BLK 9" Chrome Moly Upper Assembly / Blue Mlok / Trident C AR-15 9" .300 AAC BLACKOUT UPPER RECEIVER W/ 9" LIGHTWEIGHT MLOK Add to Cart $249.95 $399.95 AR-15 300 BLK 10.5" Walking Dead pistol upper assembly AR-15 300 BLK 10.5" Walking Dead pistol upper assembly . here's just what you're lookin' for bud. I had no problem smacking a 10" gong at 220yds. I noticed that the rifle feeds better using tapco magazines but Ive had some success with my hexmags as well. Every 300 BLK upper we sell can be configured to your specifications. Make sure you keep ammo and mags separate. 300 Blackout Upper For Sale | Primary Arms BCM 300 Blackout 9-inch MCMR-8 Upper ($640 to $889). The 300 Blackout cartridge was designed from the ground up to be fired through AR-15s, and as a result it doesnt suffer from any of the reliability problems of other cartridges. Advanced Armament Corporationthe company that created 300 Blackoutrigorously tested a variety of designs to make sure 300 Blackout fit flawless into AR-15 magazines, fed into the gun, and fired without a hitch. Plus they dont look cool. The .300 Blackout is here to stay. We already have an account registered for email address What I will do is point you to a few of the best .300 BLK upper receivers so that you can make your transition to this wonder-round. Also included is the lower receiver stock adapter kit, side folding AR buffer tube knuckler and manual. Barrel - 16" 416 stainless steel hbar contou.. AR-15 300 AAC blackout 16" stainless steel black diamond fluted upp AR-15 300 AAC 16" BLACKOUT STAINLESS STEEL DIAMOND FLUTED UPPER ASSEMBLY, 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! Sometimes you can get away with firing different bullets out of the same barrel, but this can cause excess wear and reduce the accuracy of your shots. The AR world is absolutely massive, and you can chamber an AR in everything from .22 LR to .45-70 Government. We also combo-ed it with the BRN lower which gives you Picatinny rails for use with your favorite brace or stock (if you go the SBR route). Re: Is AAC no longer making the 9" upper. 300 Blackout | Moriarti Armaments This upper is not only adaptable, but it's also powerful without a ton of space; they can reach peak ballistic potential from just a 9-inch barrel! No other modifications to your AR-15 is required. What are your favorite .300 BLK upper receivers? SHERMAN, TX. Quick View. You have no permission to view this page. If for any Aero makes gear that works, and these uppers are perfect for your next .300 BLK build or to convert your 5.56 rifle. Noveske Rifleworks 300 AAC Blackout Pistol Length AR-15 Barrel with Gas Block - 10.5" View . No DDM4 300S?? The M-LOK rail is fantastic and provides more than enough room for accessory attachment. Copyright Daytona Tactical 2020. The bottom line is that if you have a particular charging handle or bolt-carrier group youd like to use with your new 300 Blackout upper, try to find an upper that doesnt come with these parts. Ghost Firearms Elite Complete Upper Receiver, .300 Blackout, 16 inch, Pistol Length, 4150 Light HBAR Barrel, 1-8 Twist, 14 inch M-LOK Free Float Hand Guard, A2 Muzzle Device, Black, GF16E14GFR300BLK . Plus no nose bleeds from slapping yourself in the face when your hand slips. If youre shooting a lot, this means more pressure, gas, and powder flying back into your face. Special Price $345.80 Regular Price $494.00. One such round is the .300 Blackout. On the other hand, longer barrels also add a significant amount of weight to your gun and make it more awkward to hold, aim, and shoot with than short barrels. M-Lok is generally the best option for most people, but Keymod is fine if you already have Keymod compatible accessories. I saw the 9-inch upper in one of my local stores. With YHM Phantom flash adapter and suppressor all you hear is the bullet hitting the berm. http://www.pewpewtactical.com/go/aero/aero-precision-300-blk-upper/. . I pick up boxes of 20 at Walmart for 15$ and some change. The main reason Ive chosen to put it in second place is because it doesnt look as nice and uses a 10.5-inch barrel instead of a 9-inch barrel on the Model 1, which adds weight for little added muzzle energy. - Ready to drop onto your AR15/M16/M4 lower! All of the parts are precision machined to match perfectly, its coated in black Cerakote for corrosion, heat, and scratch-resistance, and the 300 Blackout version comes with a Cherry Bomb muzzle brake from Q, so its compatible with their suppressors. I have not heard of it being discontinued. We hate SPAM and promise to keep your email address safe. Free Bolt Carrier Group with Purchase of Upper Receiver Group. AT3 .300 Blackout Pistol Upper for AR-15 - AT3 Tactical Twist Rate:1/8button rifled HARDENED TO 26-32 RC AND STRESS RELIEVED. N AR-15 300 BLACKOUT 16" MLOK UPPER ASSEMBLY WITH SLIP OVER BARREL SHROUD . Type your new password and hit button below to confirm it. .300 BLK Uppers | Ballistic Advantage (, We noticed that you have previously logged in with your, Check what do you get by creating an account, Bookmark and compare your favorite firearms, While thats cool when it happens, whats even cooler is when rounds are, First off, its a very versatile load with, I wont dive too deep into the 5.56 vs. .300 Blackout debate because, A 10-inch barrel on an AR pistol or a short-barreled. As you can see in the image above, bad things can happen when you load the wrong cartridge into your rifle. Chambered in .300 BLACKOUT AAC, 1-8 rh twist. Quick View. Weve built dozens of ARs and well cover all the best AR-15 upgrades such as handguards, triggers, BCGs, gas blocks, and more. Just remember that if you attach the upper to a lower with a standard stock, you need to register it as an NFA firearm. . Click below for a FREE LESSON! It also allows users to shoot a wide variety of ammo grain weights and shoot both supersonic and subsonic ammunition suppressed .