Pistol

Achieve superior shooting results by boosting the performance of your rifle with Moriarti Armaments' 300 Blackout Upper series. With a variety of configurations available, whether you prefer a pistol or carbine length, our 300 BLK uppers are designed to deliver unparalleled precision and reliability. Enjoy the accuracy and dependability of our 300 Blackout 16 Inch Upper, 300 Blackout 5.5 Inch Upper, or 300BLK 10.5 Inch Upper, all designed to elevate your shooting game to the next level.

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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 - 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...
    $269.95$399.95
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  • AR-15 300 AAC BLK 7.5" Cookie Cutter Upper Assembly / Mlok
    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'&...
    $299.95$399.95
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  • AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY / FLASH CONE /1x7
    AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY / FLASH CONE /1x7 FEATURESAction: Semi-auto Gas System: Pistol Length Gas System Chamber: 300 AAC Twist Rate: 1/7 Muzzle Device: Flash Cone Can, slim profile    Barrel: 7.5" 300 AAC 4150 CMV med profile, nit..
    AR-15 300 AAC BLK 7.5" MLOK UPPER ASSEMBLY / FLASH CONE /1x7 FEATUR...
    $269.95$399.95
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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 - 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 ...
    $249.95$349.95
  • AR-15 300 Blackout 5.5" Cookie Cutter Upper Assembly / Mlok
    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" Mlok Upper Assembly / Blue Shroud / Blue Accents / CH
    Experience the advantages of the AR-15 300 Blackout 7.5" Mlok Upper Assembly / Blue Shroud by Moriarti Armaments.Chamber - 300 BlackoutBarrel Twist - 1x7Barrel Thread - 5/8x24Barrel Steel - 4150 Chrome Moly with Nitro-Met coating, CNC machined, M4 feedrampsMuzzle Brake -&nbs..
    Experience the advantages of the AR-15 300 Blackout 7.5" Mlok Upper...
    $289.95$449.95
  • AR-15 300 Blackout 7.5" Pistol Shark Upper Assembly /Mlok
    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-15 300 Blackout 8.5" Fear Nothing Upper Assembly / Red Claw / Mlok
    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" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail
    AR-15 300 BLK 5.5" 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 s..
    AR-15 300 BLK 5.5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Ra...
    $299.95$449.95
  • AR-15 300 BLK 5.5" Pistol Hybrid Upper Assembly / Cone / Mlok
    The AR-15 300 BLK 5.5 Pistol Hybrid Upper Assembly with Cone and Mlok Rail is a high-quality component for firearm enthusiasts and professionals. It offers exceptional performance and durability. Features:1. Barrel: The 5.5-inch barrel length is made from Chrome Moly Vanadium (CMV), delivering ..
    The AR-15 300 BLK 5.5 Pistol Hybrid Upper Assembly with Cone and Ml...
    $259.95$399.95
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  • Moriarti AR-15 300 Blackout 10.5" Diamond Cut 10" Mlok Upper Assembly / Slanted Muzzle / Sniper Grey
    AR-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
  • AR-15 300 AAC blackout 10.5" nitride classic mlok upper assembly / A2
    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 / Mlok
    AR-15 300 AAC blackout 10.5"  pistol upper assembly with flash coneBARREL - 10.5" 4150V NITRIDE COATED MED CONTOUR BARREL. HARDENED TO 26-32 RC AND STRESS RELIEVED.  CHAMBERED IN 300 BLACKOUT. 1/7 RH TWIST.  PISTOL GAS SYSTEM .750 UNDER GAS BLOCK. 5/8X24 THREAD. BARREL IS FINISHE..
    AR-15 300 AAC blackout 10.5"  pistol upper assembly with flash...
    $289.95$399.95
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  • AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly / Shark / American Flag
    AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly / Shark / American Flag is a perfect addition to your AR pistol. No other modifications to your AR-15 is required. Uses standard AR-15/M16 BCG. All you need is 300 BLK ammo and this upper - and you have a new AR. Features:300 Blackou..
    AR-15 300 AAC Blackout 5" Slick Profile Pistol Upper Assembly / Sha...
    $259.95$399.95
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  • AR-15 300 AAC BLK 14.5'' PISTOL UPPER ASSEMBLY / 7" FAKE SUPPRESSOR / MLOK
    AR-15 300 AAC BLK 14.5'' PISTOL UPPER ASSEMBLY / 7" FAKE SUPPRESSOR / MLOK 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 - 14.5" 41V50 CMV STEEL&nbs..
    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 5'' PISTOL BILLET UPPER / 4'' MLOK / STAY SPOOKY- COLOR SET
    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 6" Modular Pistol Upper Assembly / Hybrid Mlok / A2
    AR-15 300 Blackout 6" Modular Pistol Upper Assembly / Hybrid Mlok / A2Features:Barrel - 6" 4150 CMV med profile barrel, nitride finish. Chambered in 300 Blackout. 1-7 rh twist. 5/8x24 thread. .750 under gas block. Barrel is finished off with A2 flashhider in nitride and a crush washer. M4 feedr..
    AR-15 300 Blackout 6" Modular Pistol Upper Assembly / Hybrid Mlok /...
    $269.95$379.95
  • AR-15 300 Blackout PISTOL BILLET UPPER / 4'' MLOK / GOLD MUZZLE
    AR-15 300 Blackout PISTOL BILLET UPPER / 4'' MLOK / GOLD MUZZLE300 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 make for a compact ..
    AR-15 300 Blackout PISTOL BILLET UPPER / 4'' MLOK / GOLD MUZZLE300 ...
    $269.95$399.95
  • AR-15 300 BLK 10.5" Walking Dead pistol upper assembly / Mlok
    AR-15 300 BLK 10.5" Walking Dead pistol upper assembly   includes:Barrel - 10.5" 4150 CMV med profile. Hardened to 26-32 rc and stress relived.  Chambered in 300 BLK. 1-7 rh twist rate, .750 under gas block. Barrel is finished off with black nitride walking dead compensator and crush ..
    AR-15 300 BLK 10.5" Walking Dead pistol upper assembly   ...
    $279.95$399.95
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  • AR-15 300 BLK 8.5" Pistol Upper Assembly / Blue Mlok / Trident Cone
    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...
    $299.95$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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  • MORIARTI AR-15 300 Blackout 10.5" Pistol Upper Assembly / Mlok / Shroud
    MORIARTI AR-15 300 Blackout 10.5" Pistol Upper Assembly / Mlok / Shroud is a top-of-the-line assembly designed for the AR-15 rifle platform. It features a 10.5-inch barrel that is chambered in the 300 Blackout round. This powerful cartridge is known for its efficiency and versatility, capable of del..
    MORIARTI AR-15 300 Blackout 10.5" Pistol Upper Assembly / Mlok / Sh...
    $289.95$399.95
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  • MORIARTI AR-15 300 BLACKOUT PISTOL UPPER ASSEMBLY / 10'' OD GREEN M-LOK / A2
    MORIARTI AR-15 300 BLACKOUT PISTOL UPPER ASSEMBLY / 10'' OD GREEN M-LOK / A2 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 - 10.5" 4150 STEEL M..
    MORIARTI AR-15 300 BLACKOUT PISTOL UPPER ASSEMBLY / 10'' OD GREEN M...
    $289.95$399.95
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