Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

300 Blackout Upper

Best Sellers
  1. Ar15 14.5" Upper Receiver Assembly
    Item#:
    231-000-352  
    Our Price:
    $549.99
    Description:
    AR15 Upper Receivers ready to install on SBR or Pistol lower receivers.  Available with 14.5, 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers.  Barrels feature a pinned front sight base.  Other features includes flat top upper receiver,  bolt carrier group, charging handle and A2 flash hider.  11.5" model available with AAC 51T Blackout Flash Hider.  14.5" & 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply. Mfg: Dpms SPECS: Fit standard AR15/M16 lower receivers.  Only for use on SBR or Pistol lower receivers.
  2. Ar15 14.5" Upper Receiver Assembly - Ar15 11.5" Upper Receiver Assembly W/ 51t Aac Blackou
    Item#:
    231-000-355  
    Our Price:
    $599.99
    Description:
    AR15 Upper Receivers ready to install on SBR or Pistol lower receivers.  Available with 14.5, 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers.  Barrels feature a pinned front sight base.  Other features includes flat top upper receiver,  bolt carrier group, charging handle and A2 flash hider.  11.5" model available with AAC 51T Blackout Flash Hider.  14.5" & 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply. Mfg: Dpms SPECS: Fit standard AR15/M16 lower receivers.  Only for use on SBR or Pistol lower receivers.
  3. Ar15 14.5" Upper Receiver Assembly - Ar15 11.5" Upper Receiver Assembly
    Item#:
    231-000-354  
    Our Price:
    $529.99
    Description:
    AR15 Upper Receivers ready to install on SBR or Pistol lower receivers.  Available with 14.5, 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers.  Barrels feature a pinned front sight base.  Other features includes flat top upper receiver,  bolt carrier group, charging handle and A2 flash hider.  11.5" model available with AAC 51T Blackout Flash Hider.  14.5" & 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply. Mfg: Dpms SPECS: Fit standard AR15/M16 lower receivers.  Only for use on SBR or Pistol lower receivers.
  4. Ar15 14.5" Upper Receiver Assembly - Ar15 7" Upper Receiver Assembly
    Item#:
    231-000-353  
    Our Price:
    $569.99
    Description:
    AR15 Upper Receivers ready to install on SBR or Pistol lower receivers.  Available with 14.5, 11.5 or 7 inch barrels, featuring a 1-9 twist and 5.56mm chambers.  Barrels feature a pinned front sight base.  Other features includes flat top upper receiver,  bolt carrier group, charging handle and A2 flash hider.  11.5" model available with AAC 51T Blackout Flash Hider.  14.5" & 11.5" models include a two peice carbine handguard. 7" model features a 4" free float tube. All NFA rules apply. Mfg: Dpms SPECS: Fit standard AR15/M16 lower receivers.  Only for use on SBR or Pistol lower receivers.
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300 Aac Blackout Upper

Related Items
  1. Ar-15/M16 Upper Receivers - 12.5" Ar Upper 300 Blk
    Item#:
    276-000-021  
    Our Price:
    $1,080.00
    Description:
  2. Ar-15/M16 Upper Receivers - 16" Ar Upper 300 Blk
    Item#:
    276-000-011  
    Our Price:
    $1,080.00
    Description:
  3. Ar-15/M16 Upper Receivers - 9" Ar Upper 300 Blk
    Item#:
    276-000-012  
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    $1,080.00
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  4. Ar-15/M16/Ar-Style .308 Blackout Flash Hiders - Blackout Flash Hider Installation Tool
    Item#:
    276-000-024  
    Our Price:
    $35.00
    Description:
    Efficient Flash Suppression; Models Available That Accept AAC Sound Suppressors
  5. Ar-15/M16 Upper Receivers - 16" Ar Upper 5.56
    Item#:
    276-000-043  
    Our Price:
    $1,080.00
    Description:
  6. Ar-15/M16/Ar-Style .308 Blackout Flash Hiders - Blackout Flash Hider 7.62 5/8-24 Non-Mount
    Item#:
    276-000-016  
    Our Price:
    $59.99
    Description:
    Efficient Flash Suppression; Models Available That Accept AAC Sound Suppressors

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Ammunition
  1. Remington Sts 12ga Ammo Case - Premier Sts 12ga 2-3/4   1-1/8oz Light #8 Shot 250/Case
    Item#:
    105-000-327  
    Our Price:
    $83.99
    List Price: $97.99
    Description:
    Premier® STS shells are the most reliable and consistent shells you can shoot, but with premium-quality components Hard lead shot in a variety of load weights to give an optimum balance of velocity and comfortable recoil. Now available in case quantites. Mfg: Brownells
  2. Hornady Custom 223 Rem Sp Ammo Case - Custom .223 Rem 55gr Sp 500/Case
    Item#:
    105-000-325  
    Our Price:
    $269.99
    List Price: $299.99
    Description:
    The Hornady BTSP is part of the InterLock series of bullets from Hornady. It features an aerodynamic secant ogive for a flat, streamlined trajectory resulting in pinpoint accuracy. A tapered jacket helps provide deep penetration with controlled expansion while a lead alloy core adds strength and durability. The InterLock ring locks the core and jacket together. cartridge cases are brass, boxer primed and re-loadable. Muzzle velocity is 3240 fps based on a 24 inch barrel. Hornady products provide consistent quality, accuracy and performance and are designed, manufactured and tested with state of the art equipment under the highest standards of quality assurance. Mfg: Brownells
  3. Winchester Military 12ga Ammo Case - Military Grade 12ga 2-3/4   9 Pellet #00 Shot 50/Case
    Item#:
    105-000-324  
    Our Price:
    $46.99
    List Price: $59.99
    Description:
    Winchester Military grade production overruns. Loaded with nine #00 pellets of buckshot in Grex buffering. Feature an OD Green hull with a high base anodized head. 50 Shells per case. Mfg: Brownells
  4. Pmag, Ar Charger, And Imi Ammo Value Pack - 150 Rounds Imi 5.56, 5 Pmags, Caldwell Ar Charger Pack
    Item#:
    105-000-322  
    Our Price:
    $169.99
    List Price: $204.99
    Description:
    (5) Magpul Gen3 PMAGs for your AR-15, 150 rounds of IMI 5.56 NATO and a Caldwell AR Charger! Save over $30! Get your PMAGs, ammo, and a loader - then head to the range today! Save money and your thumbs! Mfg: Brownells
  5. Caldwell Ar Charger With Ammo Value Pack - 600 Rounds Imi 5.56mm With Caldwell Ar Charger Value Pack
    Item#:
    105-000-323  
    Our Price:
    $289.99
    List Price: $349.79
    Description:
    Buy 600 Rounds of IMI 5.56 NATO ammunition and receive a FREE Caldwell AR-15 Mag Charger. Ammunition has a reloadable brass cartridge case. A $69.99 value and savings! Avoid “AR Thumb” and act while supplies last! Mfg: Brownells
  6. Pmag And Imi Ammo Value Pack - 150 Rounds Imi 5.56/5 Pmag Value Pack
    Item#:
    105-000-321  
    Our Price:
    $109.99
    List Price: $134.99
    Description:
    Buy (5) Magpul Gen2 PMAGs for your AR-15, paired with the 150 rounds of IMI 5.56 NATO to fill them up and prepare for target acquisition! IMI ammunition has a brass, boxer primed cartridge case that can be reloaded. A bundle savings of over $20. One-Stop-Shop and get both your PMAGs and ammo today! Mfg: Brownells

View All Ammunition »

Price shopping for 300 Blackout Upper? Count on Brownells.com to provide the best selection and prices every day. With 4 300 Blackout Upper and 300 Aac Blackout Upper in stock ranging in price from $529.99 to $599.99, you'll find all the best choices available. As the internet's top seller of gun parts and gunsmith tools, we're able to bring you the best products, excellent prices, and reliable customer service every day. We're so convinced you'll be happy with all our 300 Blackout Upper that we offer a 100% customer satisfaction guarantee. If you're not completely satisfied with your purchase let us know so we can make it right. So check out our complete selection of 300 Blackout Upper and place your order online or by calling us toll free at 1-800-741-0015. We're passionate about meeting all your needs for gun parts and gunsmith tools, and we're confident you'll find what you need here. If you have any questions, don't hesitate to give us a call!