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300 Blackout Upper

Best Sellers
  1. Ar-15 Sbr/Pistol Upper Receiver Assemblies - Ar15 11.5" Upper Receiver Assembly W/ 51t Aac Blac
    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.
  2. Ar-15 Sbr/Pistol Upper Receiver Assemblies - 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.
  3. Ar-15 Sbr/Pistol Upper Receiver Assemblies - 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.
  4. Ar-15 Sbr/Pistol Upper Receiver Assemblies - 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.
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300 Aac Blackout Upper

Related Items
  1. 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
  2. Ar-15/M16 Upper Receivers - 16" Ar Upper 5.56
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  4. Ar-15/M16 Upper Receivers - 16" Ar Upper 300 Blk
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    276-000-011  
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  5. Ar-15/M16 Upper Receivers - 9" Ar Upper 300 Blk
    Item#:
    276-000-012  
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  6. Ar-15/M16/Ar-Style .308 Blackout Flash Hiders - Blackout Flash Hider Installation Tool
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View All 300 Aac Blackout Upper »


Ammunition
  1. 300 Blackout - 300 Blackout 125 Grain Sierra Matchking
    Item#:
    105-000-216  
    Our Price:
    $33.49
    Description:
    At Gorilla Ammunition we produce high quality ammunition for shooters who demand accuracy and consistency at the range, in the woods, or in competition. Our ammo is loaded for optimum performance and accuracy for the AR platform rifle. We verify pressure and velocity throughout lot production utilizing the Oehler System 85 in our indoor ballistics lab and indoor testing range. We are able to keep statistical data on every round produced. Our state-of-the-art inspection equipment uses multiple lasers and high resolution cameras to maintain stringent quality control standards and produce consistently safe, reliable, and accurate ammunition. The .300BLK Subsonic 220gr. Sierra MatchKing i Mfg: Gorilla Ammunition,Llc
  2. 300 Blackout - 300 Blackout Subsonic 220 Grain Sierra Matchking
    Item#:
    105-000-215  
    Our Price:
    $33.49
    Description:
    At Gorilla Ammunition we produce high quality ammunition for shooters who demand accuracy and consistency at the range, in the woods, or in competition. Our ammo is loaded for optimum performance and accuracy for the AR platform rifle. We verify pressure and velocity throughout lot production utilizing the Oehler System 85 in our indoor ballistics lab and indoor testing range. We are able to keep statistical data on every round produced. Our state-of-the-art inspection equipment uses multiple lasers and high resolution cameras to maintain stringent quality control standards and produce consistently safe, reliable, and accurate ammunition. The .300BLK Subsonic 220gr. Sierra MatchKing i Mfg: Gorilla Ammunition,Llc
  3. Jamison .300 Blackout Ammunition - .300 Aac Blackout 200gr Hpbt Subsonic 20/Box
    Item#:
    105-000-210  
    Our Price:
    $27.99
    Description:
    Jamison Ammunition uses quality components like their own reloadable brass cases and Sierra bullets. Available in a super-sonic 125gr or a sub-sonic 200 gr cartridge. Please not that sub-sonic rounds may not completely cycle the action in some semi-automatic firearms. Mfg: Captech International Llc
  4. Jamison .300 Blackout Ammunition - .300 Aac Blackout 125gr Hpbt 20/Box
    Item#:
    105-000-209  
    Our Price:
    $25.99
    Description:
    Jamison Ammunition uses quality components like their own reloadable brass cases and Sierra bullets. Available in a super-sonic 125gr or a sub-sonic 200 gr cartridge. Please not that sub-sonic rounds may not completely cycle the action in some semi-automatic firearms. Mfg: Captech International Llc
  5. Remington 300 Aac Blackout Rifle Ammunition - Rem .300 Aac Blackout 125 Gr Otm Match Ammo
    Item#:
    105-000-068  
    Our Price:
    $29.99
    Description:
    Remington’s 300 AAC Blackout rifle ammunition is designed for use in any rifle chambered for this hard-hitting yet compact cartridge, including AR-15s and bolt actions. The Premier Match load features a 125-grain Open Tip Match (OTM) bullet, while the Express Rifle load offers a big 220-grain OTM bullet and subsonic velocity (approx. 1,010 fps) for near-silent operation when used with a suppressor. Mfg: Remington Arms Inc.
  6. Remington 300 Aac Blackout Rifle Ammunition - Rem .300 Aac Blackout 220 Gr Subsonic Otm Ammo
    Item#:
    105-000-067  
    Our Price:
    $19.99
    Description:
    Remington’s 300 AAC Blackout rifle ammunition is designed for use in any rifle chambered for this hard-hitting yet compact cartridge, including AR-15s and bolt actions. The Premier Match load features a 125-grain Open Tip Match (OTM) bullet, while the Express Rifle load offers a big 220-grain OTM bullet and subsonic velocity (approx. 1,010 fps) for near-silent operation when used with a suppressor. Mfg: Remington Arms Inc.

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!