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300 Blackout
Enhance the performance of your rifle with the 300 Blackout Upper series from Moriarti Armaments. Regardless of your preferred configuration, whether you fancy pistol or carbine length, our 300 BLK uppers offer unparalleled precision and reliability. Experience the accuracy and dependability of our 300 Blackout 16 Inch Upper, 300 Blackout 5.5 Inch Upper, or 300BLK 10.5 Inch Upper for superior shooting results.
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AR-15 300 AAC Blackout 16" Carbine "BLACK CANON" UPPER ASSEMBLY . Discover unparalleled performance with Moriarti Armaments' 300 Blackout Upper. Meticulously crafted for precision and reliability, this upper promises a powerful shooting experience like no other.CA and NY compliant.Action:&..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 . CA and NY compliant.Action: Semi-autoGas System: Pistol Length Gas SystemChamber: 300 BlackoutTwist Rate: 1/7 button rifledBarrel: 16" heavy barrel, 4150V steel, chrome moly, heat treated, black, M4 feedr..AR-15 300 AAC Blackout 16" Carbine "CLAW" UPPER ASSEMBLY / MLOK&nbs...$269.95$399.95 -
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 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 - Experience unparalleled shooting performance with Moriarti Armaments' 300 Blackout Upper, crafted with meticulous attention to detail to ensure precision and reliability. This is the key to unlocking a truly pot..AR-15 300 AAC BLK 10.5" Nitro-Met Quad Upper Assembly with Socom St...$249.95$399.95
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For unparalleled shooting capability, consider Moriarti Armaments' AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly. With a meticulous construction emphasizing precision and reliability, this assembly is sure to deliver a powerful and satisfying shooting experience.Action: Semi-auto ..For unparalleled shooting capability, consider Moriarti Armaments'&...$279.95$399.95 -
AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY / FLASH CONE /1x7 / MLOK FEATURESAction: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 AAC Twist Rate: 1/7 Muzzle Device: Flash Cone Can Barrel: 7.5" 300 AAC 4150 CMV med profile, nitride fi..AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY / FLASH CONE /1x7 / MLOK...$249.95$399.95
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AR-15 300 Blackout 7.5" Pistol Zombie Slayer Upper Assembly / Mlok - The 300 Blackout Upper by Moriarti Armaments offers unparalleled performance, providing a powerful shooting experience. It has been meticulously crafted to ensure precision and reliability, making it the ideal choice for those..AR-15 300 Blackout 7.5" Pistol Zombie Slayer Upper Assembly / Mlok ...$219.95$349.95 -
Experience unparalleled shooting performance with Moriarti Armaments' meticulously crafted 300 Blackout 5.5" COOKIE CUTTER UPPER ASSEMBLY. This assembly promises precision and reliability, delivering a potent shooting experience unlike any other.Action: Semi-auto Gas System: Micro Lengt..Experience unparalleled shooting performance with Moriarti Armament...$299.95$449.95 -
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 7.5" Nitride Upper Assembly / Sound Forwarder / Mlok / 1x7. Featuring 300 Blackout barrel, government profile with 1x7 TPIPLATFORM: AR-15CHAMBER: 300 BlackoutBARREL MATERIAL: 4150 CMVBARREL LENGTH: 7.5"BARREL FINISH: NitrideTWIST RATE: 1/7MUZZLE THREAD: 5/8X24MUZZLE DEVISE: ..AR-15 300 Blackout 7.5" Nitride Upper Assembly / Sound Forwarder / ...$269.95$449.95 -
AR-15 300 Blackout 8.5" Fear Nothing Upper Assembly / Red Claw / Mlok Barrel - 8.5" 300 Blackout Barrel Twist - 1x8 Barrel Thread - 5/8x24 Barrel Steel - 4150 Chrome Moly, CNC machined, M4 feedramps Muzzle Brake - AR-15 Claw Multiprong /ANODIZE..AR-15 300 Blackout 8.5" Fear Nothing Upper Assembly / Red Claw / Ml...$299.95$449.95 -
AR-15 300 BLK 5.5" Pistol Hybrid Mlok Upper Assembly Includes: WEIGHT: 2.5 LbsPLATFORM: AR-15CHAMBER: 300 BlackoutBARREL MATERIAL: 4150 CRMOV BARREL LENGTH: 5.5"BARREL FINISH: BLACK NITRIDETWIST RATE: 1/7MUZZLE THREAD: 5/8 - 24MUZZLE DEVISE: MORIARTI FLASH CONEHANDGUARD: 7" M-L..AR-15 300 BLK 5.5" Pistol Hybrid Mlok Upper Assembly Includes:...$259.95$399.95
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AR-15 300 BLK 5.5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail Includes: WEIGHT: 2.5 LbsOVERALL LENGTH: 15"PLATFORM: AR-15CHAMBER: 300 BLKBARREL MATERIAL: 4150 CRMOV BARREL LENGTH: 5.5"BARREL FINISH: BLACK NITRIDETWIST RATE: 1/7MUZZLE THREAD: 5/8X34MUZZLE DEVISE: SPITFIR..AR-15 300 BLK 5.5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Ra...$299.95$449.95 -
Moriarti AR-15 300 Blackout 10.5" Diamond Cut 10" Mlok Upper Assembly / Slanted Muzzle / Sniper GreyAR-15 300 Blackout 10.5" Diamond Cut 10" Mlok Upper Assembly / Slanted Muzzle / 1x7Manufacturer:Moriarti ArmamentsCartridge:300 BlackoutOverall Length:19.5 inBarrel Length:10.5 inBarrel Profile:MedGas System Length:Pistol LengthBarrel Twist Rate:1-7Threads per Inch:5/8x24Handguard Type:Free-FloatMuz..AR-15 300 Blackout 10.5" Diamond Cut 10" Mlok Upper Assembly / Slan...$299.95$449.95 -
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 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" 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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-800x800-200x200.JPG "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. 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 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 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" 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" med profil..AR-15 300 AAC blackout 10.5" classic mlok upper assembly is a perfe...$229.95$399.95
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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 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
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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...$349.95$549.95 -
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 needed 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...$349.95$549.95 -
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 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 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 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...$289.95$399.95
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-200x200.JPG "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 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 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 8.5" Chrome Moly Upper Assembly / Blue Mlok / Trident ConeHandguard - 10" mlok slim profile forearm. Made from aircraft quality aluminum and blue hardcoat anodized.Barrel - 8.5" nitride 4150 CMV, 5/8x34 Threaded, 1x8 twist, pistol length gas system, M4 Fe..AR-15 300 BLK 8.5" Chrome Moly Upper Assembly / Blue Mlok / Trident...$249.95$499.95
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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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AR-15 Moriarti Duo TakeDown 16" Carbine Upper Assembly | 5.56 Nato and 300 Blk Complete Combo - you asked and we listened! Now offering the combo set in 16" carbine set up. The Complete Combo Set allows for easy and convenient way to interchange calibers without actually detaching receivers. Compati..AR-15 Moriarti Duo TakeDown 16" Carbine Upper Assembly | 5.56 Nato ...$799.95$1,399.95