300 AAC Blackout Upper Assembly (20) As Low As (Save Up to 31%) $214.94 Best Rated. return deadline (January 15, 2021 or 30 days after receipt of your order - whichever is later). 300 AAC Blackout Upper Assembly, Primary Weapons Systems MK109 MOD 2-M Pistol .300BLK Upper Receiver, Grid Defense .300 Blackout Upper Receiver, Daniel Defense DDM4 300 S, URG, 10.3in, 300 AAC Blackout Complete Upper Receiver w/ Flash Hider, Radian Weapons Model 1 BLK Complete 300 Upper Receiver with SilencerCo ASR Flash Hider/Suppressor Mount, Ghost Firearms Vital .300 Blackout Upper Receiver, Griffin Armament MK1 PSD 300BLK 9.5 inch Upper, Spikes Tactical 300 Black Out 8.3in Forged Upper Receiver w/7in SAR3, Spikes Tactical 300 Black Out 8.3in Forged Upper Receiver w/10in BAR2, Ghost Firearms Vital .300 Blackout Complete Upper Receiver w/Pistol Lower Parts Kit, Ghost Firearms .300 Blackout Complete Upper Receiver w/Pistol Lower Parts Kit, Aero Precision M4E1 Enhanced 8in .300 Blackout Quantum Handguard Complete Upper Receiver, Aero Precision M4E1 16in .300 Blackout Barrel Complete Upper Receiver, V Seven 300 Blackout LR Enlightened Complete Upper, CBC Industries AR-15 Complete Upper Receiver Pistol Kit, 300AAC, 10.5in, Spikes Tactical 300 Black Out 10in Billet Upper Receiver, CBC Industries AR-15 Complete Upper Receiver Pistol Kit, 300AAC, 7.5in, Optics Planet Exclusive Aero Precision Complete Upper Receiver, M4E1-T, Ghost Firearms .300 Blackout Complete Upper Receiver w/Rifle Lower Parts Kit, CBC Industries AR-15 Complete Upper Receiver Rifle Kit, 300AAC, 16in, Adams Arms P2 Complete .300 BLK Upper Receiver, Spikes Tactical 300 Black Out 16in Forged Upper Receiver, POF USA Renegade Plus Upper Receiver Assembly, Radical Firearms Complete Upper Assembly 16 inch 300 AAC HBAR Contour, A2 Flash Hider, w/BCG and CH, Aero Precision AR15 8in .300 Blackout Barrel Complete Upper Receiver, Radical Firearms Complete Upper Assembly 8.5 inch 300 AAC HBAR Contour, A2 Flash Hider, w/BCG and CH, CBC Industries CHS-2 Patrol AR-15 Complete Upper Receiver Rifle Kit, 300AAC, 16in, Radical Firearms RF Upper Assembly 10.5in 300 AAC HBAR Contour w/ A2 Flash Hider, Aagil Arms Complete AR-15 Upper Receiver Assembly, Ghost Firearms Vital .300 Blackout Complete Upper Receiver w/Rifle Lower Parts Kit, Radical Firearms RF Upper Assembly 8.5in 300 AAC HBAR Contour w/ A2 Flash Hider, Radical Firearms Complete Upper Assembly 10.5 inch 300 AAC HBAR Contour, A2 Flash Hider, w/BCG and CH, Ballistic Advantage Hanson .300 AR Complete Upper Receiver, Radical Firearms Upper Assembly 8.5in 300 AAC Blackout with 7in FGS Rail, DEZ Arms .300 Blackout Complete Pistol Upper Receiver, American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever, Aero Precision M4E1 Complete Upper .300 Barrel, Frontier Tactical War Lock Carbine Length Barrel Assembly, Tacfire AR15 5.56/.233/.300AAC Stripped Upper Receiver w/M4 Feed Ramps, Radical Firearms RF Upper Assembly 16in 300 AAC HBAR Contour w/ A2 Flash Hider, Radical Firearms 16in 300 Blackout RF Round Rail with FGS 12in Rail, Nordic Components 16in .300B Complete Upper Receiver, Nordic Components 10.5in .300 Complete Upper Receiver, Aagil Arms Ted Nugent's Signature Series AR-15 Complete .300 Blackout Upper Receiver. 16 Inch Complete Blue/Black Upper Receiver (5.56/223) Rated 4.00 out of 5 $ 499.99 $ 429.99 $ 499.99 $ 429.99 Read more Quick View. Rock River Arms, Inc. offers a complete line of American made, custom built AR15 style rifles. Out of Stock. Sort By: Featured Items Newest Items Best Selling A to Z Z to A By Review Price: Ascending Price: Descending Be sure to check out our other top AR15 lines for all models such as our incredible selection of, Spikes Tactical 300 Black Out 10in Forged Upper Receiver, CBC Industries AR-15 Upper Assembly, 300AAC, 16in, Aero Precision M4E1 Threaded 8in .300 Blackout Complete Upper Receiver, Aero Precision M4E1 Threaded 16in .300 Blackout w/ ATLAS S-ONE Handguard Complete Upper Receiver, Aero Precision M4E1 Threaded 10in .300 Blackout w/ ATLAS S-ONE Handguard Complete Upper Receiver, Radical Firearms 16 in. Home; AR-15 Uppers; We offer AR-15 complete uppers in a variety of calibers - 223/5.56, 300 Blackout, 7.62x39, 6.8 SPC II, 6.5 Grendel, 458 Socom, 224 Valkyrie. Radical firearms also produce their uppers in a wide variety of configurations. 300 Blackout For Hogs 16" Upper Assembly 4150 Chrome Moly Heavy Barrel 1x8 Twist Mid Length Rail Our Price: $249.99 . Page. Check out all of our AR 15 300 aac blackout complete upper receivers for sale. Items 1-24 of 139. SR is equipped with mid-length handguards and an AAC Blackout suppressor adapter. Please check your email for confirmation message, 73 products / 264 models, and want advice from an expert, our product specialists are on hand to lend you their years of expertise so don't hesitate to email us or give us a call. We also have AR-15 uppers in pistol calibers like 9mm, 40 S&W and 45 ACP. 10.5" 300 BLK Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can: 16" 300 AAC Blackout Ar15 Upper with Free Float Rail: 16" 300 AAC Blackout Ar15 Upper with Free Float Rail *pistol gas: $567.56. Out Of Stock. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. Are you looking for a versatile load that's entirely compatible with a standard AR-15 build? BCM. Ballistic Advantage 9" .300 Blackout Barrel - Performance Series: Ballistic Advantage 9.5" .300 Blackout Pistol Length Barrel: Ballistic Advantage 10" .300 Blackout Pistol Length Barrel: $190.00. This 9-inch barrel upper from Bravo Company comes with an 8-inch M-LOK handguard. Then check out our comprehensive selection of .300 Blackout upper AR-15 build kits and elevate your standard rifle today. The future of the AR15 is the 300 Blackout, the key to making your AR15 compatible with 300 Blackout ammo is your AR15 upper -  and when making your AR15 or M4 compatible with 300 Blackout ammo you want the best 300 Blackout upper receiver for your dollar. Set Descending Direction. Magazines; Finish Your Build Kits; Upper Build Kits; Bolt Carrier Groups; Barrels; Products [20] Sort by: 1 2 Next Page View All. This is a compact 300 Blackout upper that still functions well under suppression and has been field proven by a number of operators in real-world situations, even at distances as far as 300 meters. Quick View DISCONTINUED. With our Hassle-Free Extended Omega Mfg. 16-inch AR15 C.A.R. If you want a .300 Blackout upper receiver that’s built to last, a forged upper receiver is widely known to be the most durable of all. Uses standard AR-15 BCG. Contact us at (818) 863-9796 or sales@tigerrockinc.com with questions and concerns. Check back soon Upper 16"Socom 1/7 twist 12" Clamp On Slim Handguard (0) $193.00 On sale: $187.99 Sale. Sale! If you're interested in our USA-made aluminum and steel build kits, but you're not ready to build it yourself, then don't worry - the professionals at Delta Team Tactical can assemble any kit for you at your request! BCM® Standard 9" 300 BLACKOUT Upper Receiver Group w/ … AR-15 Gas Ring - 12 Pack. BCM® MK2 Standard 9" 300 BLACKOUT Upper Receiver Group w/ QRF-8 Handguard. 300 AAC Blackout Upper Assembly, Ghost Firearms Elite .300 Blackout Upper Receiver, Knight's Armament SR-30 Mod 2 URX 4 M-Lok Upper Receiver Kit, TRYBE Defense AR-15 Pistol 10.5in Complete Upper M-LOK, .300 Blackout, TRYBE Defense AR-15 16in Complete Upper M-LOK, .300 BLK, Aero Precision M4E1 .300 CMV Barrel Complete Upper Assembly, Radian Weapons Model 1 .300 AAC Blackout Complete Upper Receiver w/ KeyMount Muzzle Brake, Radical Firearms 8.5 in. Why 300 Blackout? 300 Blackout Uppers. 7" M-Lok Handguard . Savings: $40.00 (35) 16" 300 Blackout Upper Assembly 1x8 Rifle Length Rail Our Price: $259.99 . 7" Keymod … The first is a worthy contender for best home defense .300 Blackout AR-15 uppers use, the… Bravo Company BCM 300 Blackout 9″ Barrel MCMR-8. 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! The best 300 Blackout upper overall is the Radian Weapons Model 1 with a 9-inch barrel. 16 Inch Complete … : +1-847-513-6201 .300 Blackout. The second best 300 Blackout upper is the Noveske 10.5-inch Gen lll. Quick view Out of stock. AR-15 300 AAC blackout 10.5" classic keymod upper assembly is a perfect addition to your AR pistol. All Rights Reserved. Enjoy Free Shipping during the holidays! eCommerce Software by 3dcart. Omega Mfg. So the very next purchase after my 16″ 300 BLK upper was a 762-SDN-6 silencer. Prime Weaponry AR-15 5.56/.223 Titanium Nitride Bolt Carrier Group - *Made in The USA* $249.99 $189.99 Sale. the next step on your AR is to upgrade to a 300 Blackout upper, Ghost Uppers from ghost firearms. Barrel Nuts; Gas Blocks. Refine Search. Check Back Soon 5.56/.223 AR-15 "FAR07" Pistol Upper (1) $235.99 On sale: $219.99 Sale. 9 models Radical Firearms 16 in. Now, you can get 300 blackout for a mere $0.27 – 0.28 per round, which is 1/2 the price of other cost effective offerings. No special bolts or magazines to buy to get into a new caliber! AR-15/LR-308/AR-10 Uppers and Upper Parts, Glock Compatible Kits, Parts & Accessories, Davidson Defense "Heretic" AR-15 Pistol Upper Receiver 10.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Heileen" AR-15 Pistol Upper Receiver 10.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Galder" AR-15 Pistol Upper Receiver 10.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Grimace" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Glypha" AR-15 Pistol Upper Receiver 10.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 12" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Gorky" AR-15 Pistol Upper Receiver 10.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 12" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Warwick" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Anthea" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Eschalon" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" KeyMod Handguard (Assembled or Unassembled), Davidson Defense "Fatale" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Heavy Barrel 7" KeyMod Handguard (Assembled or Unassembled), Davidson Defense "Flopzoom" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Barrel 7" M-Lok Handguard (Assembled or Unassembled), Davidson Defense "Frutakia" AR-15 Pistol Upper Receiver 7.5" .300 Blackout 4150 CMV 1-8T Barrel 7" M-Lok Handguard (Assembled or Unassembled). 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You ’ ll often hear people say that the Ideal Barrel for shooting 300 Blackout BLK... For hunting as well for 9/16x24 Threads ; for 5/8-24 Threads ; for.578x28 Threads ; for.578x28 ;! Receiver ( 7.62×39 ) $ 235.99 On Sale: $ aac 300 blackout 9 inch upper for sale Sale comes all. '' Free Float Rail ( 0 ) $ 249.99 On Sale: $ 40.00 35... Radical firearms 10.5 in accurate at time of writing have AR-15 uppers in a wide of! Cast receivers are known to be Lightweight, but they are the weakest compared to the.. Ar-308, AR 9mm, AK-47 and Sig MPX ; Bolt Carrier Group - * made the... The Upper Receiver Group w/ … Why 300 Blackout is 8 or 9 inches it 's simple! Pistol calibers like 9mm, AK-47 and Sig MPX date ( ) ) Delta Tactical!