300 Blackout

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  • AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY
    AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY . CA and NY compliant.Action: Semi-autoGas System: Pistol Length Gas SystemChamber: 300 BlackoutTwist Rate: 1/8 button rifledBarrel: 16" heavy barrel, 4150V steel, chrome moly, heat treated, black, M4 ..
    AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY&nbs...
    $269.95$399.95
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  • AR-15 300 AAC Blackout 16" Carbine "CLAW" UPPER ASSEMBLY / MLOK
    AR-15 300 AAC Blackout 16" Carbine "CLAW" UPPER ASSEMBLY / MLOK . CA and NY compliant.Action: Semi-autoGas System: Pistol Length Gas SystemChamber: 300 BlackoutTwist Rate: 1/8 button rifledBarrel: 16" heavy barrel, 4150V steel, chrome moly, heat treated, black, M4 ..
    AR-15 300 AAC Blackout 16" Carbine "CLAW" UPPER ASSEMBLY / MLOK&nbs...
    $269.95$399.95
  • AR-15 300 AAC Blackout 16" Diamond "Predator" Upper Assembly
    AR-15 300AAC Blackout 16" Diamond "Predator" Upper Assembly. Created by Moriarti Armaments. CA and NY compliant.Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 300 Blackout Twist Rate: 1/8 button rifled Barrel: 16" heavy barrel, 4150V s..
    AR-15 300AAC Blackout 16" Diamond "Predator" Upper Assembly. Create...
    $399.95
  • AR-15 300 AAC Blackout 16" Fluted "Black Shark" Upper Assembly
    AR-15 300AAC Blackout 16" Fluted "Black Shark" Upper Assembly. Created by Moriarti Armaments. CA and NY compliant. Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 300 Blackout Twist Rate: 1/8 button rifled Barrel: 16" heavy barrel,..
    AR-15 300AAC Blackout 16" Fluted "Black Shark" Upper Assembly. Crea...
    $399.95
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  • AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake
    AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake -is a perfect addition to your AR-15 build. All you need is a case of ammo to change your standard AR 5.56 to a new 300 Blackout upper.Assembly Features:Chamber - 300 AACBarrel Twist - 1x8Barrel Thread -..
    AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom St...
    $249.95$399.95
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  • AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / Mlok
    AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / QuadrailAction: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 AAC Twist Rate: 1/8  Muzzle Device: Strikes Industries Cookie Cutter compensator  (reduces recoil on short barreled rifles and p..
    AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / QuadrailActio...
    $279.95$399.95
  • AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY WITH FLASH CONE
    AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY WITH FLASH CONEAction: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 AAC Twist Rate: 1/8  Muzzle Device: Flash Cone Can    Barrel: 7.5" 300 AAC M4 hbar contour, phosphate finish, heat trea..
    AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY WITH FLASH CONEAction:&n...
    $249.95$349.95
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  • AR-15 300 Blackout  7.5" Pistol Zombie Slayer Upper Assembly / Mlok
    AR-15 300 Blackout 7.5" Pistol Zombie Slayer Upper Assembly / Mlok Chamber - 300 Blackout Barrel Twist - 1x8 Barrel Thread - 5/8x24 Barrel Steel - Black Nitride Finish 4150 CMV Flash Hider - 4" Zombie Slayer Muzzle Brake Handguard - 7" Mlok Free Float, h..
    AR-15 300 Blackout 7.5" Pistol Zombie Slayer Upper Assembly / Mlok ...
    $219.95$349.95
  • AR-15 300 Blackout 7.5" Pistol Shark Upper Assembly /Mlok
    AR-15 300 Blackout 7.5" Pistol Shark Upper Assembly /Mlok Features: Chamber - 300 Blackout Barrel Twist - 1x8 Barrel Thread - 5/8x24 Barrel Steel - Black Nitride Finish 4150 CMV Flash Hider - Shark Style Muzzle Brake Handguard - 7" slim profile Mlok Free..
    AR-15 300 Blackout 7.5" Pistol Shark Upper Assembly /Mlok Features:...
    $229.95$349.95
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  • AR-15 300 Blackout 8.5" Fear Nothing Upper Assembly / Red Claw / Mlok
    AR-15 300 Blackout 8.5" Fear Nothing Upper Assembly / Red Claw / MlokBarrel - 8.5" 300 Blackout Barrel Twist - 1x8Barrel Thread - 5/8x24Barrel Steel - 4150 Chrome Moly, CNC machined, M4 feedrampsMuzzle Brake - AR-15 Claw Multiprong /ANODIZED RED - 5/8x24Handguard -..
    AR-15 300 Blackout 8.5" Fear Nothing Upper Assembly / Red Claw / Ml...
    $299.95$449.95
  • AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Cone / Mlok Rail
    AR-15 300 BLK 5" Pistol Hybrid Mlok Upper Assembly Includes: WEIGHT: 2.5 LbsPLATFORM: AR-15CHAMBER: 300 BlackoutBARREL MATERIAL: 4150 CRMOV BARREL LENGTH: 5"BARREL FINISH:  BLACK NITRIDETWIST RATE: 1/7MUZZLE THREAD: 5/8 - 24MUZZLE DEVISE: MORIARTI FLASH CONEHANDGUARD: 7" M-LOKGA..
    AR-15 300 BLK 5" Pistol Hybrid Mlok Upper Assembly Includes: ...
    $279.95$399.95
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  • AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail
    AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail Includes: WEIGHT: 2.5 LbsOVERALL LENGTH: 15"PLATFORM: AR-15CHAMBER: 300 BLKBARREL MATERIAL: 4150 CRMOV BARREL LENGTH: 5"BARREL FINISH:  BLACK NITRIDETWIST RATE: 1/7MUZZLE THREAD: 5/8X34MUZZLE DEVISE: SPITFIREHAN..
    AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail...
    $299.95$449.95
  • AR-15 300 BLK 7.5" Stainless Upper Assembly / Sound Forwarder / Mlok / 1x7
    AR-15 300 BLK 7.5" Stainless Upper Assembly / Sound Forwarder / Mlok / 1x7 Includes:PLATFORM: AR-15CHAMBER: 300 BLKBARREL MATERIAL: 416RBARREL LENGTH: 7.5"BARREL FINISH:  STAINLESSTWIST RATE: 1/7MUZZLE THREAD: 5/8X24MUZZLE DEVISE: SOUND FORWARDER, SILVER ANODIZED ALUMINUMHANDGUARD: 7" M-LO..
    AR-15 300 BLK 7.5" Stainless Upper Assembly / Sound Forwarder / Mlo...
    $299.95$449.95
  • AR .300 BLK 16" PISTOL LENGTH UPPER ASSEMBLY 1:8 / 12" MLOK / TRIPORT
    Barrel Length: 16"Gas System: PistolBarrel Steel: 4150V Chrome Moly VanadiumBarrel Finish: PhosphateMuzzle Thread: 5/8-24Chamber: 300 BlackoutTwist Rate: 1 in 8"Barrel Extension: M4Diameter at Gas Block: .750"Gas Block Type: Low-profile steelMuzzle Device: Triport Muzzle BrakeReceiver Material: Forg..
    Barrel Length: 16"Gas System: PistolBarrel Steel: 4150V Chrome Moly...
    $229.95$349.95
  • AR-15 .300 BLK 16" PISTOL UPPER ASSEMBLY /15" MLOK / CERAKOTE & CHOOSE
    AR-15 .300 BLK 16" PISTOL LENGTH 1:8 TWIST / 15" MLOK / CERAKOTE & CHOOSE COLOR ON TOP OF PAGE. This drop-in 300 Blackout upper will attach to virtually any standard AR-15 lower assembly. Includes:Barrel - 16" 4150 CMV, 1x8 twist, pistol length gas system. Phosphate finish. Chambered in 300..
    AR-15 .300 BLK 16" PISTOL LENGTH 1:8 TWIST / 15" MLOK / CERAKOTE &a...
    $449.95
  • AR-15 16" 300 AAC BLACKOUT  BARRETT STYLE 15" LIGHTWEIGHT UPPER / FDE
    AR-15 16" 300AAC BLK  BARRETT STYLE 15" LIGHTWEIGHT FDE UPPER. WE NOW MAKE THIS ITEM WITH MLOK RAIL.  Barrel Length: 16"Gas System: PistolBarrel Steel: 4150V Chrome Moly VanadiumBarrel Finish: NitrideMuzzle Thread: 5/8-24Chamber: 300 BlackoutTwist Rate: 1 in 8"Barrel Extension: M4Diamet..
    AR-15 16" 300AAC BLK  BARRETT STYLE 15" LIGHTWEIGHT FDE UPPER....
    $299.95$399.95
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  • AR-15 16" 300 AAC BLACKOUT BARRETT STYLE 15" LIGHTWEIGHT MLOK UPPER
    AR-15 16" 300 AAC BLACKOUT PISTOL LENGTH 1/8 NITRIDE 15" LIGHTWEIGHT KEYMOD UPPER. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber! 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...
    $279.95$399.95
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  • AR-15 16" 300 AAC BLACKOUT STAINLESS UPPER WITH THREAD PROTECTOR
    AR-15 16" 300 AAC BLACKOUT STAINLESS UPPER WITH THREAD PROTECTOR. New by Moriarti Armaments, CA and NY compliant. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber! Just drop an upper on your stand..
    AR-15 16" 300 AAC BLACKOUT STAINLESS UPPER WITH THREAD PROTECTOR. N...
    $349.95
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  • AR-15 300 AAC 16" MLOK UPPER ASSEMBLY / SLIP OVER BARREL SHROUD
    AR-15 300 BLACKOUT 16" MLOK UPPER ASSEMBLY WITH SLIP OVER BARREL SHROUD 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...
    $259.95$399.95
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  • AR-15 300 AAC Blackout 10.5"  pistol upper assembly / Flash Cone / Mlok
    AR-15 300 AAC blackout 10.5"  pistol upper assembly with flash coneBARREL - 10.5" 4150V PARKERIZED HBAR/HEAVY CONTOUR BARREL. HARDENED TO 26-32 RC AND STRESS RELIEVED.  CHAMBERED IN 300 BLACKOUT. 1/8 RH TWIST.  PISTOL GAS SYSTEM .750 UNDER GAS BLOCK. BARREL IS FINISHED OFF W..
    AR-15 300 AAC blackout 10.5"  pistol upper assembly with flash...
    $249.95$399.95
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  • AR-15 300 AAC blackout 10.5" nitride classic mlok upper assembly
    AR-15 300 AAC blackout 10.5" classic mlok upper assembly is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. The 10.5" 300 BLK upper includes:Barrel - 10.5" heavy cont..
    AR-15 300 AAC blackout 10.5" classic mlok upper assembly is a perfe...
    $229.95$399.95
  • AR-15 300 AAC blackout 16" pistol length upper assembly / 15" Mlok
    AR-15 300 AAC blackout 16" pistol length upper assembly w/ 15" Mlok is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. Barrel - 16" heavy contour barrel 415..
    AR-15 300 AAC blackout 16" pistol length upper assembly w/ 15" Mlok...
    $249.95$349.95
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  • AR-15 300 AAC blackout 16" stainless Black Wolf upper assembly / Mlok
    AR-15 300 AAC blackout 16" stainless steel "Black Wolf" complete upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber.  Barrel - 16" 416 stainless steel hbar contour barrel...
    AR-15 300 AAC blackout 16" stainless steel "Black Wolf" complete up...
    $299.95$429.95
  • AR-15 300 AAC blackout 16" stainless steel black diamond fluted upper assembly
    AR-15 300 AAC blackout 16" stainless steel black diamond fluted upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber.    Barrel - 16" 416 stainless steel hbar contou..
    AR-15 300 AAC blackout 16" stainless steel black diamond fluted upp...
    $399.95$499.95
  • AR-15 300 AAC BLACKOUT 16" STAINLESS STEEL DIAMOND FLUTED UPPER ASSEMBLY
    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! No special bolts or magazines to buy to get into a new caliber!Barrel - 16" 416 stainless steel h-bar contour barrel. Hardened to 2..
    AR-15 300 AAC 16" BLACKOUT STAINLESS STEEL DIAMOND FLUTED UPPER ASS...
    $399.95$499.95
  • AR-15 300 AAC Blackout 16" stainless steel spiral fluted tactical upper assembly
    AR-15 300 AAC Blackout 16" stainless steel spiral fluted tactical upper assembly. 300 Blackout chamber uses AR-15/M16 BCG and standard AR-15 mags. The upper features:Barrel - 16" 416 stainless steel hbar contour barrel with x-treme spiral fluting. Hardened to 26-32 rc and stress relived.  ..
    AR-15 300 AAC Blackout 16" stainless steel spiral fluted tacti...
    $399.95$499.95
  • AR-15 300 AAC blackout 16" stainless straight fluted tactical upper assembly
    AR-15 300 AAC blackout 16" stainless steel straight fluted tactical upper assembly. 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines. No special bolts or magazines to buy to get into a new caliber! Just drop an upper on your standard mil-spec AR-15 lower, and ..
    AR-15 300 AAC blackout 16" stainless steel straight fluted tactical...
    $299.99$399.95
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  • AR-15 300 AAC blackout 7.5" nitride upper assembly / Mlok / Multiport
    AR-15 300 AAC blackout 7.5" nitride upper assembly / Mlok / Multiport is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. Barrel - 7.5" heavy contour barrel 4150 ..
    AR-15 300 AAC blackout 7.5" nitride upper assembly / Mlok / Multipo...
    $229.95$399.95
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  • AR-15 300 AAC BLK 13.5'' PISTOL UPPER ASSEMBLY W/ 5.5" FAKE SUPPRESSOR
    AR-15 300 AAC BLK 13.5'' PISTOL UPPER ASSEMBLY W/ 5.5" FAKE SUPPRESSOR is a perfect addition to your pistol look. Just drop this pistol upper assembly on your Mil-Spec lower receiver and enjoy the outdoors. Created by MA especially for you, all USA made. BARREL - 13.5" 41V50 CMV STEEL&nb..
    AR-15 300 AAC BLK 13.5'' PISTOL UPPER ASSEMBLY W/ 5.5" FAKE SUPPRES...
    $299.95$399.95
  • AR-15 300 Blackout 16" Combat Upper Assembly / 15" Mlok / Multiport
    AR-15 300 Blackout 16" Combat Upper Assembly / 15" Mlok / Multiport features:Barrel - 16" 4150 CMV hbar. Chambered in 300 Blackout. 1-8 rh twist , .750 under gas block. 5/8x24 thread. Barrel is finished off with Multiport muzzle brake, designed to reduce muzzle rise and noise. M4 feedramps. A3&nb..
    AR-15 300 Blackout 16" Combat Upper Assembly / 15" Mlok / Multiport...
    $249.95$449.95
  • AR-15 300 BLACKOUT 16" STAINLESS BLACK CLAW UPPER ASSEMBLY / 12" MLOK
    AR-15 300 BLK 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY / MLOK Barrel - 16" 416R stainless steel contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in .300 BLACKOUT AAC, 1-8 rh twist. Bear Claw spiral flutes. Button rifled. .750 under gas block. 5/8-24 threads. Barre..
    AR-15 300 BLK 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY / MLO...
    $299.95$399.95
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  • AR-15 300 BLK 10.5" Walking Dead pistol upper assembly
    AR-15 300 BLK 10.5" Walking Dead pistol upper assembly   includes:Barrel - 10.5" 4150 CMV hbar/heavy contour barrel. Hardened to 26-32 rc and stress relived.  Chambered in 300 BLK. 1-8 rh twist rate, .750 under gas block. Barrel is finished off with black walking dead compensator and ..
    AR-15 300 BLK 10.5" Walking Dead pistol upper assembly   ...
    $249.95$399.95
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  • AR-15 300 BLK 9" Chrome Moly Upper Assembly / Blue Mlok / Trident Cone
    AR-15 300 BLK 9" Chrome Moly Upper Assembly / Blue Mlok / Trident Cone. Handguard - 10" mlok slim profile forearm. 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...
    $249.95$499.95
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  • AR-15 9" .300 AAC BLACKOUT UPPER RECEIVER W/ 9" LIGHTWEIGHT MLOK
    AR-15 9" .300 AAC BLACKOUT UPPER RECEIVER W/ 9" LIGHTWEIGHT MLOK Barrel Length: 9" Barrel Profile: Heavy Barrel Steel: 4150 Chrome Moly Vanadium  Barrel Finish: Nitride Barrel Extension: M4 Muzzle Thread: 5/8X24 Chamber: 300 AAC Twist Rate: 1 in 8"Gas System: Pistol LengthGas Bloc..
    AR-15 9" .300 AAC BLACKOUT UPPER RECEIVER W/ 9" LIGHTWEIGHT MLOK ...
    $299.95$399.95
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