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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 & NY CompliantUpgrade your build with the AR-15 300 AAC Blackout 16" Carbine "CLAW" Upper Assembly, designed for precision, performance, and compliance with California and New York firearm laws. This upper assembly offers outst..AR-15 300 AAC Blackout 16" Carbine "CLAW" Upper Assembly / MLOK - C...$289.95$399.95 -
AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly – Shark Muzzle Brake / American Flag EngravingElevate your shooting experience with the AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly, featuring a Shark Muzzle Brake and American Flag engravings. This high-performance uppe..AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly – Sha...$259.95$399.95
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AR-15 300 Blackout 16" Med Profile Black Shark Upper Assembly / Mlok. Created by Moriarti Armaments. CA and NY compliant. Action: Semi-auto Gas System: Pistol Chamber: 300 Blackout Twist Rate: 1/7 button rifled Barrel: 16" med profile barrel, 4150 CMV, heat ..AR-15 300 Blackout 16" Med Profile Black Shark Upper Assembly / Mlo...$259.95$399.95
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AR-15 300 Blackout 5" Centurion Upper Assembly / Color MLOK – Choose Your ColorUnleash unmatched precision and firepower with the AR-15 300 Blackout 5" Centurion Upper Assembly from Moriarti Armaments. Engineered for shooters who demand top-tier performance in a compact package, this upper assembly ..AR-15 300 Blackout 5" Centurion Upper Assembly / Color MLOK – Choos...$289.95$449.95 -
AR-15 300 Blackout 5" PISTOL BILLET UPPER / 4'' MLOK / GOLD MUZZLE BRAKE FEATURES:300 Blackout 5 Inch Pistol Length Barrel 1:7 Twist - Black Nitride (Made in USA): The .300 Blackout caliber is popular for its versatility, especially in suppressed shooting. A 5-inch barrel is quite short, which will ..AR-15 300 Blackout 5" PISTOL BILLET UPPER / 4'' MLOK / GOLD MUZZLE ...$279.95$399.95 -
AR-15 300 BLACKOUT 5'' PISTOL BILLET UPPER / 4'' MLOK / STAY SPOOKY- COLOR SET. New by Moriarti Armaments. 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..AR-15 300 BLACKOUT 5'' PISTOL BILLET UPPER / 4'' MLOK / STAY SPOOKY...$279.95$399.95
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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 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail is designed with compatibility as its cornerstone, allowing for a seamless integration with standard AR-15 lower receivers. With this interchangeability, upgrading your current platform becomes effortless, creating a custom sho..AR-15 300 BLK 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail...$299.95$449.95 -
The AR-15 300 BLK 5" Pistol Hybrid Upper Assembly is designed to deliver outstanding performance, precision, and durability in a compact package. Built for firearm enthusiasts who demand versatility and reliability, this upper assembly offers an ideal upgrade for your AR-15 platform. From tactical a..The AR-15 300 BLK 5" Pistol Hybrid Upper Assembly is designed to de...$289.95$429.95
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AR-15 300 BLK 5" Pistol Upper Assembly - Gold Spitfire / MlokUnleash precision, power, and performance with the AR-15 300 Blackout 5" Pistol Upper Assembly featuring a Gold Spitfire muzzle device and Mlok handguard. Designed with seamless compatibility in mind, this upper integrates flawlessly with ..AR-15 300 BLK 5" Pistol Upper Assembly - Gold Spitfire / MlokUnleas...$299.95$469.95 -
AR-15 5" Pistol Upper Assembly | PVD Spitfire Muzzle Device | M-LOK Handguard | Choose CaliberUnlock precision, power, and reliability with the AR-15 5" Pistol Upper Assembly, equipped with a Gold Spitfire muzzle device and a M-LOK handguard. This compact, high-performance upper is engineered to del..AR-15 5" Pistol Upper Assembly | PVD Spitfire Muzzle Device | M-LOK...$299.95$449.95 -
AR-15 300 Blackout 10.5" Diamond Cut 10" Mlok Upper Assembly / Burnt Bronze Features:Manufacturer:Moriarti ArmamentsCartridge:300 BlackoutOverall Length:19 inBarrel Length:10.5 inBarrel Profile:MedGas System Length:Pistol LengthBarrel Twist Rate:1x7Threads per Inch:5/8x24Handguard Type:Free-Flo..AR-15 300 Blackout 10.5" Diamond Cut 10" Mlok Upper Assembly / Burn...$299.95$499.95 -
Moriarti AR-15 300 Blackout 10.5" Diamond Cut Upper Assembly / Triport / Mlok / BlackManufacturer:Moriarti ArmamentsCartridge:300 BlackoutOverall Length:19 inBarrel Length:10.5 inBarrel Profile:MedGas System Length:Pistol LengthBarrel Twist Rate:1-7Threads per Inch:5/8x24Handguard Type:Free-FloatMuz..Moriarti AR-15 300 Blackout 10.5" Diamond Cut Upper Assembly / Trip...$299.95$399.95 -
MORIARTI AR-15 300 BLACKOUT 14.5" SLIM MLOK UPPER ASSEMBLY /12" MLOK / THREAD PROTECTOR FEATURES:Action: Semi-auto Gas System: Pistol length gas system Chamber: 300 Blackout Twist Rate: 1/7Thread: 5/8x24 Muzzle Device: Thread Protector / Nitride Barrel: 14.5" med ..MORIARTI AR-15 300 BLACKOUT 14.5" SLIM MLOK UPPER ASSEMBLY /12" MLO...$269.99$399.95 -
Moriarti Armaments 300 Blackout 5" Cookie Cutter Upper Assembly – Precision and PerformanceElevate your shooting experience with the Moriarti Armaments 300 Blackout 5" Cookie Cutter Upper Assembly. Crafted for precision and reliability, this upper is engineered to offer unmatched recoil reduction an..Moriarti Armaments 300 Blackout 5" Cookie Cutter Upper Assembly – P...$289.95$449.95 -
With a 16 inch nitride barrel chambered in 300 blackout, this AR15 upper receiver assembly is readily attachable to any Mil-Spec lower receiver. The upper receiver is forged in the M4 flat top design, facilitating easy attachment of rifle scopes and red dot sights to the picatinny rail. A Moriarti t..With a 16 inch nitride barrel chambered in 300 blackout, this AR15 ...$279.95$399.95 -
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...$289.95$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 7"Barrel Extension: M4Diamet..AR-15 16" 300AAC BLK BARRETT STYLE 15" LIGHTWEIGHT FDE UPPER....$289.95$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-15 300 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: 1/7, 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 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" med profile 4150 CMV, ni..AR-15 300 AAC blackout 16" pistol length upper assembly w/ 15" Mlok...$249.95$399.95
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AR-15 300 AAC Blackout 16" Stainless Black Wolf Upper Assembly / Mlok. 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. Hardened ..AR-15 300 AAC Blackout 16" Stainless Black Wolf Upper Assembly / Ml...$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! This upper is custom flute to order - please allow 3-4 weeks on ETA.Barr..AR-15 300 AAC 16" BLACKOUT STAINLESS STEEL DIAMOND FLUTED UPPER ASS...$299.95$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. Features include:1. 300 Blackout Chamber: A special chamber that utilizes the versatile .300 Blackout rounds. This cartridge provides a wide va..AR-15 300 AAC Blackout 16" stainless steel spiral fluted tacti...$269.95$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 BLK 14.5" Pistol Upper Assembly / 7" Fake Suppressor / M-LOK – Built for Precision and StyleElevate your AR-15 pistol with the 300 AAC Blackout 14.5" Pistol Upper Assembly, designed by Moriarti Armaments (MA) for superior performance and aesthetic appeal. Crafted from high-quality USA-..AR-15 300 AAC BLK 14.5" Pistol Upper Assembly / 7" Fake Suppressor ...$299.95$449.95
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AR-15 300 Blackout 16" Chrome Moly Upper Assembly - Anodized Blue with Triport Muzzle BrakeUpgrade your AR-15 platform with this high-performance 300 Blackout 16" Upper Assembly, featuring a durable anodized blue finish and advanced components for superior accuracy and recoil control. Perfect for th..AR-15 300 Blackout 16" Chrome Moly Upper Assembly - Anodized Blue w...$299.95$399.95 -
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 Blackout 6" Modular Pistol Upper Assembly | Hybrid MLOK | A2 Flash HiderFeatures:Premium Barrel: 6" 4150 CMV medium profile barrel with a durable nitride finish. Chambered in 300 Blackout, offering superior ballistic performance. 1:7 RH twist ensures stable, consistent shots with a variety..AR-15 300 Blackout 6" Modular Pistol Upper Assembly | Hybrid MLOK |...$269.95$379.95 -
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 -
MORIARTI AR-15 300 BLACKOUT 16" DIAMOND CUT 12" MLOK UPPER ASSEMBLY / A2 / BLACK Manufacturer: Moriarti Armaments Cartridge: 300 Blackout Overall Length: 27.5 in Barrel Length: 16 ..MORIARTI AR-15 300 BLACKOUT 16" DIAMOND CUT 12" MLOK UPPER ASSEMBLY...$289.95$399.95 -
AR-15 7.5" Pistol Upper Assembly | Choose Caliber | Gradient Cerakote Finish | Premium PerformanceElevate your AR-15 build with this 7.5" Pistol Upper Assembly designed for both style and functionality. Available in a variety of eye-catching gradient Cerakote colors, this upper assembly offers custo..AR-15 7.5" Pistol Upper Assembly | Choose Caliber | Gradient Cerako...$299.95$399.95
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Moriarti AR-15 300 BLK 7.5" Honeycomb Chrome Moly Upper Assembly | Choose Color MLOK | Trident Cone Flash CanKey Features: Premium Handguard: The 9" MLOK slim profile forearm is built for precision performance and modular customization. Made from aircraft-quality aluminum, this lightweight rail i..Moriarti AR-15 300 BLK 7.5" Honeycomb Chrome Moly Upper Assembly | ...$299.95$499.95
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Enhance your AR-15 build with the AR-15 300 AAC Blackout 7.5" MLOK Upper Assembly, featuring a pistol-length gas system, a flash cone muzzle device, and a 1x7 twist rate. This compact upper offers powerful performance in a lightweight design, perfect for close-range applications, home defense, and t..Enhance your AR-15 build with the AR-15 300 AAC Blackout 7.5" MLOK ...$269.95$399.95
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AR-15 300 Blackout 7.5" Pistol Zombie Slayer Upper Assembly / MLOKUnleash superior performance with the AR-15 300 Blackout 7.5" Pistol Zombie Slayer Upper Assembly by Moriarti Armaments. This high-performance upper assembly is engineered for precision, reliability, and power, offering a tactical adv..AR-15 300 Blackout 7.5" Pistol Zombie Slayer Upper Assembly / MLOKU...$249.95$349.95 -
AR-15 300 Blackout 7.5" Mlok Upper Assembly / Blue Shroud / Blue Accents / Charging Handle IncludedUnlock top-tier performance and style with the AR-15 300 Blackout 7.5" Mlok Upper Assembly from Moriarti Armaments. Featuring a striking blue anodized shroud, forward assist, and charging handle, this ..AR-15 300 Blackout 7.5" Mlok Upper Assembly / Blue Shroud / Blue Ac...$289.95$449.95 -
AR-15 300 Blackout 7.5" Patriotic Upper Assembly / Red Accents / Charging Handle / ShroudShow your pride and embrace the power of precision with the AR-15 300 Blackout 7.5" Patriotic Upper Assembly by Moriarti Armaments. Designed for exceptional performance and striking aesthetics, this upper assemb..AR-15 300 Blackout 7.5" Patriotic Upper Assembly / Red Accents / Ch...$299.95$449.95 -
AR-15 300 Blackout 7.5" Pistol Shark Upper Assembly /Mlok Features:1. Barrel: The AR-15 300 Blackout 7.5 Pistol Shark Upper Assembly comes with a med profile 7.5-inch long barrel, crafted from high-quality 4150 CMV, to offer a smooth shooting experience. 2. Caliber: The upper assembly is for 300 ..AR-15 300 Blackout 7.5" Pistol Shark Upper Assembly /Mlok Features:...$279.95$349.95
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AR-15 7.5" Cookie Cutter Upper Assembly / M-LOK | Choose Caliber: 5.56, 300 Blackout, 7.62x39 | Premium Pistol-Length Gas System & Precision ConstructionFor superior shooting performance, choose the Moriarti Armaments AR-15 7.5" Cookie Cutter Upper Assembly. This high-quality assembly offers unm..AR-15 7.5" Cookie Cutter Upper Assembly / M-LOK | Choose Caliber: 5...$269.95$449.95
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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...$249.95$399.95
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AR-15 300 AAC Blackout 10.5" Pistol Upper Assembly | Flash Cone | Precision PerformanceUpgrade your AR-15 pistol with the 300 AAC Blackout 10.5" Pistol Upper Assembly, designed for superior functionality, reliability, and precision. Whether you're building a tactical setup, a home defense firearm, o..AR-15 300 AAC Blackout 10.5" Pistol Upper Assembly | Flash Cone | P...$289.95$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...$259.95$399.95
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AR-15 300 Blackout 10.5" Diamond Cut 10" M-LOK Upper Assembly / Slanted Muzzle / 1x7 Twist – Sniper Grey Cerakote FinishUnlock superior performance and style with the AR-15 300 Blackout 10.5" Diamond Cut 10" M-LOK Upper Assembly from Moriarti Armaments. This high-performance upper assembly is design..AR-15 300 Blackout 10.5" Diamond Cut 10" M-LOK Upper Assembly / Sla...$299.95$449.95 -
AR-15 300 BLK 10.5" Walking Dead Pistol Upper Assembly | MLOK | Custom CompensatorIncludes:Premium Barrel: 10.5" 4150 CMV medium profile barrel with a hardened 26-32 RC stress-relieved finish, offering superior durability and precision. Chambered in 300 Blackout (300 BLK), with a 1:7 RH twist rate f..AR-15 300 BLK 10.5" Walking Dead Pistol Upper Assembly | MLOK | Cus...$289.95$399.95
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-200x200.jpg "Moriarti AR-15 300 Blackout 10.5\" Pistol Upper Assembly | 10\" OD Green M-LOK | A2 Flash Hider")
Moriarti AR-15 300 Blackout 10.5" Pistol Upper Assembly | 10" OD Green M-LOK | A2 Flash Hider | USA-Made PrecisionThe Moriarti AR-15 300 Blackout 10.5" Pistol Upper Assembly is a premium, ready-to-install upper designed to enhance the performance and look of your AR-15 pistol. Whether you're using i..Moriarti AR-15 300 Blackout 10.5" Pistol Upper Assembly | 10" OD Gr...$299.95$399.95
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-200x200.jpg "Moriarti AR-15 300 Blackout 10.5\" Pistol Upper Assembly | MLOK | Shroud")
Moriarti AR-15 300 Blackout 10.5" Pistol Upper Assembly | MLOK | Shroud | Precision EngineeringThe Moriarti AR-15 300 Blackout 10.5" Pistol Upper Assembly is the perfect choice for those seeking superior performance, reliability, and a customized look for their AR-15 build. This high-quality assembl..Moriarti AR-15 300 Blackout 10.5" Pistol Upper Assembly | MLOK | Sh...$289.95$399.95