5.56 NATO / .223 Wylde

5.56 NATO / .223 Wylde Upper Assemblies
Enhance your AR-15 build with high-quality 5.56 NATO or .223 Wylde upper assemblies. Precision crafted for reliability and performance, these upper assemblies are perfect for both tactical and recreational use. Available in various configurations, featuring M-LOK handguards, and designed for easy assembly and optimal function. Choose the perfect upper to match your shooting needs.

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  • AR-15 5" Pistol Upper Assembly | PVD Spitfire Muzzle Device | M-LOK Handguard | Choose Caliber
    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 5.56 NATO 16" Carbine Upper Assembly with 12" M-LOK Handguard | CERAKOTE CAMO Colors | Tactical Charging Handle & Muzzle Brake
    AR-15 5.56 NATO 16" Carbine Upper Assembly with 12" M-LOK Handguard | CERAKOTE CAMO Colors | Tactical Charging Handle & Muzzle BrakeBuild your dream AR-15 with the Moriarti Arms® 5.56 NATO 16" Carbine Upper Assembly, designed for peak performance and a personalized, sleek look. Featuring a durab..
    AR-15 5.56 NATO 16" Carbine Upper Assembly with 12" M-LOK Handguard...
    $329.95$549.95
  • AR-15 5.56 NATO 5" Pistol Upper Assembly / Gold Spitfire/ Mlok
    AR-15 5.56 NATO 5" Pistol Upper Assembly with Gold Spitfire and 4" M-LOK HandguardElevate your shooting experience with the AR-15 5.56 NATO 5" Pistol Upper Assembly—a high-performance, precision-engineered upper designed for shooters who demand accuracy, power, and versatility. Featuring a sleek Gol..
    AR-15 5.56 NATO 5" Pistol Upper Assembly with Gold Spitfire and 4" ...
    $299.95$469.95
  • AR-15 5.56 NATO 5" Pistol Upper Assembly / Red Accent / Charging Handle Included | Black Nitride Barrel
    Enhance your AR-15 build with this high-performance 5.56 NATO 5" Pistol Upper Assembly, designed for exceptional accuracy, durability, and style. Featuring a precision-machined 5" barrel with a 1:5 5R twist, a black nitride-coated barrel, and red accents, this upper assembly delivers outstanding per..
    Enhance your AR-15 build with this high-performance 5.56 NATO 5" Pi...
    $259.95$399.95
  • AR-15 5.56 NATO 5'' PISTOL UPPER / 4'' HANDGUARD / CH / COLOR OPTION
    AR-15 5.56 NATO 5" Pistol Upper Assembly with 4" Handguard – Customizable Color OptionsThis 5.56 NATO pistol features a 5" pistol length barrel with a 1:5 5R twist, all made in the USA and coated in black nitride. The stripped upper receiver, compatible with AR-15/47/9/300, is also made in the USA. ..
    AR-15 5.56 NATO 5" Pistol Upper Assembly with 4" Handguard – Custom...
    $269.95$399.95
  • AR-15 5.56 NATO 5'' PISTOL UPPER / BLUE ACCENT / CH / CAN
    AR-15 5.56 NATO 5" Pistol Upper Assembly - Blue Accent | Charging Handle Included | Black Nitride BarrelUpgrade your AR-15 build with this high-performance 5.56 NATO 5" Pistol Upper Assembly. Featuring a precision-machined 5" pistol-length barrel, 1/5 5R twist, and a durable black nitride coating, t..
    AR-15 5.56 NATO 5" Pistol Upper Assembly - Blue Accent | Charging H...
    $259.95$399.95
  • AR-15 5.56/ .223 16" TACTICAL UPPER ASSEMBLY / LEFT HANDED SIDE CHARGER / COMPLETE
    AR-15 upper assembly, 16" stainless steel barrel, mid-length slim mlok rail, LH Side Charger. Comes completed with BCG.Barrel - 16" 416R stainless steel hbar  barrel. Heat Treated to RC 28-32 Hardness, and Stress Relieved.  Chambered in .223 Wylde, accepts both 5.56 and .223 ro..
    AR-15 upper assembly, 16" stainless steel barrel, mid-length slim m...
    $399.95$599.95
  • AR-15 5.56/.223  16" Gov't Profile BLACK SHARK Upper Assembly / MLOK
    AR-15 5.56/.223 16" Gov't Profile "BLACK SHARK" Upper Assembly with MLOKUpgrade your AR-15 build with the AR-15 5.56/.223 16" "BLACK SHARK" Upper Assembly. Designed for precision and durability, this upper assembly combines high-performance materials and top-tier craftsmanship. Perfect for shooters ..
    AR-15 5.56/.223 16" Gov't Profile "BLACK SHARK" Upper Assembly with...
    $249.95$399.95
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  • AR-15 5.56/.223 10.5" GOV'T MAGPUL MOE UPPER ASSEMBLY / FRONT SIGHT
    AR-15 5.56/.223 10.5" GOV'T MAGPUL MOE UPPER ASSEMBLY / FRONT SIGHTAction: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO Twist Rate: 1/7 Muzzle Device: Thread 1/2 X28 Afterburner Barrel: 10.5" gov't contour, 4150V steel, chrome moly, heat..
    AR-15 5.56/.223 10.5" GOV'T MAGPUL MOE UPPER ASSEMBLY / FRONT SIGHT...
    $299.95$449.95
  • AR-15 5.56/.223 10.5" Mlok Upper Assembly / Red Shroud / Red Accents / CH
    AR-15 5.56/.223 10.5" Mlok Upper Assembly / Red Shroud / Red AccentsChamber - 5.56 NATOBarrel Twist - 1x7Barrel Thread - 1/2X28Barrel Steel - 4150 Chrome Moly with Nitro-Met coating, CNC machined, M4 feedrampsMuzzle Brake - AR-15 MICRO SLIP OVER BARREL SHROUD WITH MULTI..
    AR-15 5.56/.223 10.5" Mlok Upper Assembly / Red Shroud / Red Accent...
    $269.95$449.95
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  • AR-15 5.56/.223 10.5" Pistol Upper Assembly / Mlok / A2
    AR-15 5.56/.223 10.5" Pistol Upper Assembly / Mlok / A2 Includes: Chamber - 5.56 NATO  (Shoots both .223 and 5.56) Barrel Twist - 1x7 Barrel Thread - 1/2 x 28 Barrel Steel - 41V50 CMV, Govt Profile, Nitride Finish, 1/2x28 thread Flash Hider - A2 Han..
    AR-15 5.56/.223 10.5" Pistol Upper Assembly / Mlok / A2 Includ...
    $249.95$399.95
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  • AR-15 5.56/.223 16" Bull Upper Assembly / 15" MLOK Rail / Black
    AR-15 5.56/.223 16" Bull Upper Assembly / 15" MLOK Rail / Black - CA & NY Compliant Elevate your shooting experience with the AR-15 5.56/.223 16" Bull Upper Assembly, featuring a precision-engineered 16" heavy-profile barrel and a 15" MLOK rail for superior performance and customization. Design..
    AR-15 5.56/.223 16" Bull Upper Assembly / 15" MLOK Rail / Black - C...
    $269.95$399.95
  • AR-15 5.56/.223 16" M4 "BLACK CANON" UPPER ASSEMBLY / 7" CAN / MLOK
    AR-15 5.56/.223 16" M4 "BLACK CANON" Upper Assembly - CA & NY Compliant Unleash unparalleled performance with the AR-15 5.56/.223 16" M4 "BLACK CANON" Upper Assembly from Moriarti Armaments. Specifically engineered to meet the stringent legal requirements of California (CA) and New York (NY), t..
    AR-15 5.56/.223 16" M4 "BLACK CANON" Upper Assembly - CA & NY C...
    $299.95$429.95
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  • AR-15 5.56/.223 16" M4 BARRETT STYLE UPPER ASSEMBLY / FDE
    AR-15 5.56/.223 16" M4 Barrett Style Upper Assembly | FDE | CA & NY CompliantUpgrade your AR-15 build with the Moriarti Arms® 5.56/.223 16" M4 Barrett Style Upper Assembly in FDE. Designed for exceptional reliability and performance, this upper assembly is perfect for enthusiasts seeking a high-..
    AR-15 5.56/.223 16" M4 Barrett Style Upper Assembly | FDE | CA &...
    $269.95$499.95
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  • AR-15 5.56/.223 16" M4 Blue Upper Assembly with Triport Muzzle Brake and M-LOK Handguard
    AR-15 5.56/.223 16" M4 Blue Upper Assembly with Triport Muzzle Brake and M-LOK HandguardManufactured by Moriarti Armaments – CA & NY CompliantThis premium AR-15 upper assembly is designed for shooters seeking performance and style. The 16" M4-profile barrel, paired with advanced features, offers..
    AR-15 5.56/.223 16" M4 Blue Upper Assembly with Triport Muzzle Brak...
    $299.95$499.95
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  • AR-15 5.56/.223 16" M4 CARBINE UPPER ASSEMBLY / 15" MLOK / CLAW
    AR-15 5.56/.223 16" M4 CARBINE UPPER ASSEMBLY / 15" MLOK / CLAWAction: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO (accepts both 5.56 NATO and .223 REM) Twist Rate: 1/7  Barrel: 16" M4 contour, 4150V steel, chrome moly, heat treated, b..
    AR-15 5.56/.223 16" M4 CARBINE UPPER ASSEMBLY / 15" MLOK / CLAWActi...
    $269.95$399.95
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  • AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY - BLACK
    AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY  - BLACK RAILAction: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO Twist Rate: 1/8  Muzzle Device: Thread 1/2 X28 A2 Flash Hider     Barrel: 16" M4 hb..
    AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY...
    $199.95$399.95
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  • AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY - OD GREEN
    AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY - OD GREENAction: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO Muzzle Device: Thread 1/2 X28 Flash HiderIncludes:AR-15 Snap RingAR-15 Delta RingAR-15 Weld Spring Specifics:Barrel: 5.56 NA..
    AR-15 5.56/.223 16" M4 MAGPUL MOE FLAT TOP UPPER ASSEMBLY - OD GREE...
    $199.95$349.95
  • AR-15 5.56/.223 16" M4 Magpul MOE Flat Top Upper Assembly – FDE
    Upgrade your AR-15 build with the 5.56/.223 16" M4 Magpul MOE Flat Top Upper Assembly in FDE. Designed for precision and performance, this M4 upper assembly is chambered in 5.56 NATO / .223 Wylde, allowing you to shoot both 5.56 NATO and .223 Remington cartridges with ease. The carbine length gas sy..
    Upgrade your AR-15 build with the 5.56/.223 16" M4 Magpul MOE Flat ...
    $249.95$349.95
  • AR-15 5.56/.223 16" M4 RED "PINEAPPLE" UPPER ASSEMBLY / MLOK
    AR-15 5.56/.223 16" M4 RED "PINEAPPLE" UPPER ASSEMBLY. Created by Moriarti Armaments.Action: Semi-auto Gas System: Carbine Length Gas System Chamber: 5.56 NATO/ .223 Wylde (either accepts 5.56 NATO/.223 REM rounds) Twist Rate: 1/7 button rifled* Barrel: 16" ..
    AR-15 5.56/.223 16" M4 RED "PINEAPPLE" UPPER ASSEMBLY. Created...
    $279.95$549.95
  • AR-15 5.56/.223 16" Stainless Checkered Upper Assembly / Mlok
    The AR-15 5.56/.223 16 Stainless Checkered Upper Assembly / MLOK designed by Moriarti Armaments is a part for the AR-15 rifle platform, a popular semi-automatic firearm. This assembly can be used to replace, modify or upgrade the upper portion of your AR-15 rifle, and is particularly designed t..
    The AR-15 5.56/.223 16 Stainless Checkered Upper Assembly / MLOK&nb...
    $299.95$449.95
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  • AR-15 5.56/.223 16" STAINLESS STEEL PREMIUM QUAD UPPER ASSEMBLY
    AR-15 5.56/.223 16" STAINLESS STEEL PREMIUM QUAD UPPER ASSEMBLY FEATURES:Action: Semi-auto Barrel: 16" M4 contour, 416r cold rolled steel, stainless steel finish, M4 feedramps, .750 gas block diameterGas System: Carbine Length Gas System Chamber: .223 Wylde (5.56 NATO/.223..
    AR-15 5.56/.223 16" STAINLESS STEEL PREMIUM QUAD UPPER ASSEMBLY FEA...
    $249.95$399.95
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  • AR-15 5.56/.223 16" Stainless Steel Spiral Fluted "Black Shark" Upper Assembly / Mlok
    The AR-15 5.56/.223 16 Stainless Steel Spiral Fluted Black Shark Upper Assembly / Mlok is a reliable and sturdy piece designed for your AR-15 firearm. Built with a top-quality barrel and upper receiver, it guarantees superb accuracy, longevity, and dependability.Key features of the assembly:1. The b..
    The AR-15 5.56/.223 16 Stainless Steel Spiral Fluted Black Shark Up...
    $289.95$399.95
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  • AR-15 5.56/.223 24" Stainless Steel Diamond Fluted Bull Upper Assembly / Mlok
    AR-15 5.56/.223 24" Stainless Steel Diamond Fluted Bull Upper Assembly / M-LOK – Precision Performance for Long-Range ShootersUpgrade your AR-15 build with this premium 24-inch AR-15 upper assembly designed for precision, accuracy, and performance. Featuring a diamond-fluted stainless steel bull bar..
    AR-15 5.56/.223 24" Stainless Steel Diamond Fluted Bull Upper Assem...
    $349.95$499.95
  • AR-15 5.56/.223 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail
    AR-15 5.56/.223 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Rail - current ETA 4-7 weeksFor enthusiasts seeking to elevate their shooting experience, AR-15 5.56/.223 5 Pistol Hybrid Upper Assembly, coupled with a Spitfire/Mlok Rail, presents a game-changing addition to your arsenal. This t..
    AR-15 5.56/.223 5" Pistol Hybrid Upper Assembly / Spitfire/ Mlok Ra...
    $299.95$399.95
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  • AR-15 5.56/.223 5" Pistol Upper Assembly – Black Nitride, Flash Cone, M-Lok Rail, Micro Gas System
    The AR-15 5.56/.223 5" Pistol Upper Assembly is a compact, high-performance upper, perfect for building your next pistol-caliber AR. Crafted from 4150 CrMoV steel and finished with black nitride, this upper assembly offers unmatched durability, reliability, and accuracy. Its 5" barrel, paired with a..
    The AR-15 5.56/.223 5" Pistol Upper Assembly is a compact, high-per...
    $299.95$399.95
  • AR-15 5.56/.223 5.5" Pistol Upper Assembly – Sidewinder Blast Diffuser, M-Lok Rail, Micro Gas System
    The AR-15 5.56/.223 5.5" Pistol Upper Assembly is designed for shooters looking for a compact and powerful upper with enhanced control and performance. Featuring a Sidewinder blast diffuser and a micro gas system, this upper ensures superior performance and reduced recoil in a lightweight build. Bui..
    The AR-15 5.56/.223 5.5" Pistol Upper Assembly is designed for shoo...
    $259.95$449.95
  • AR-15 5.56/.223 7.5" M-LOK Upper Assembly | Gold Anodized | Pineapple Muzzle Brake
    AR-15 5.56/.223 7.5" M-LOK Upper Assembly | Gold Anodized | Pineapple Muzzle Brake The AR-15 5.56/.223 7.5" M-LOK Upper Assembly is the perfect choice for those seeking a compact, high-performance build with a unique touch of style. Featuring a gold anodized finish, this upper assembly combines fun..
    AR-15 5.56/.223 7.5" M-LOK Upper Assembly | Gold Anodized | Pineapp...
    $299.95$449.95
  • AR-15 5.56/.223 7.5" Mlok Upper Assembly / Blue Shroud / Blue Accents / CH
    AR-15 5.56/.223 7.5" Mlok Upper Assembly / Blue Shroud / Blue Accents / Charging HandleChamber - 5.56/.223 WYLDEBarrel Twist - 1x7Barrel Thread - 1/2X28Barrel Steel - 4150 Chrome Moly with Nitro-Met coating, CNC machined, M4 feedrampsMuzzle Brake - AR-15 MICRO SLIP OVER..
    AR-15 5.56/.223 7.5" Mlok Upper Assembly / Blue Shroud / Blue Accen...
    $299.95$449.95
  • AR-15 5.56/.223 7.5" Mlok Upper Assembly /Shroud / Mlok
    The AR-15 5.56/.223 7.5" M-LOK Upper Assembly from Moriarti Armaments offers a compact and powerful option for your AR-15 build. Designed for ultimate performance, this upper features a 7.5-inch barrel chambered in 5.56 NATO and equipped with premium components that ensure precision and reliability...
    The AR-15 5.56/.223 7.5" M-LOK Upper Assembly from Moriarti Armamen...
    $299.95$399.95
  • AR-15 5.56/.223 7.5" Pentagram Upper Assembly / Mlok
    AR-15 5.56/.223 7.5" Pentagram Upper Assembly / Mlok Includes:Action: Semi-auto Gas System: Pistol Length Gas System Chamber: 5,56 NATO (SHOOTS BOTH 5.56 AND 223 REM) Twist Rate: 1/7  Muzzle Device: AR-15 Pentagram Ported Steel Muzzle Brake 1/2x28 BLACK NITRIDE ..
    AR-15 5.56/.223 7.5" Pentagram Upper Assembly / Mlok Includes:Actio...
    $269.95$399.95
  • AR-15 5.56/.223 7.5" Pistol Shark Mlok Upper Assembly / Mlok
    AR-15 5.56/.223 7.5" Pistol Shark Mlok Upper Assembly / Mlok Features:- Chamber: The chamber is designed to accommodate 5.56 NATO rounds, but it can also shoot .223 calibers. - Barrel Length: The barrel measures 7.5 inches, a common size for this type of assembly.- Twist: This assembly has a 1x..
    AR-15 5.56/.223 7.5" Pistol Shark Mlok Upper Assembly / Mlok Featur...
    $269.95$369.95
  • AR-15 5.56/.223 7.5" Pistol Upper Assembly with 7" Fake Can & M-LOK Free Float Rail
    The AR-15 5.56/.223 7.5" Pistol Upper Assembly with 7" Fake Can & M-LOK Free Float Rail is a compact and high-performance option for those looking to build an agile AR-15 pistol. Designed by Moriarti Armaments, this upper assembly features a 7.5" barrel chambered in 5.56 NATO and provides superi..
    The AR-15 5.56/.223 7.5" Pistol Upper Assembly with 7" Fake Can &am...
    $299.95$399.95
  • AR-15 5.56/.223 8.5" Fear Nothing Upper Assembly / Red Claw / Mlok
    AR-15 5.56/.223 8.5" Fear Nothing Upper Assembly / Red Claw / Mlok Includes:  Barrel - 8.5" 5.56/.223 WYLDE (shoots both, 5.56 NATO and .223 Rem) Barrel Twist - 1x8 Barrel Thread - 1/2X28 Barrel Steel - 4150 Chrome Moly, CNC machined, M4 feedramps Muzzle ..
    AR-15 5.56/.223 8.5" Fear Nothing Upper Assembly / Red Claw / Mlok ...
    $289.95$449.95
  • AR-15 5.56/.223 8.5" Slick MLOK Upper Assembly with Mini Can
    Chamber - 5.56/.223 WYLDEBarrel Twist - 1x8Barrel Thread - 1/2X28Barrel Steel - 4150 Chrome Moly, phosphate finish, CNC machined, M4 feedrampsMuzzle Brake - AR-15 Mini CanHandguard - 10" Hardcoat Anodized Slim Mlok Free Float (rails may have variations in design ba..
    Chamber - 5.56/.223 WYLDEBarrel Twist - 1x8Barrel Thread&...
    $259.95$399.95
  • Moriarti AR-15 5.56 NATO 10.5" Pistol Upper Assembly / OD Green Mlok / A2
    Moriarti AR-15 5.56 NATO 10.5" Pistol Upper Assembly / OD Green Mlok / A2 features an innovative design of anodized AR-15 upper receiver completed with an OD Green Mlok style rail and A2 muzzle device. Chamber - 5.56 NATO  (Shoots both .223 and 5.56) Barrel Twist - 1x7 ..
    Moriarti AR-15 5.56 NATO 10.5" Pistol Upper Assembly / OD Green Mlo...
    $269.95$399.95
  • MORIARTI AR-15 5.56 NATO 16" M4 CARBINE UPPER ASSEMBLY / 15" MLOK / TRI
    MORIARTI AR-15 5.56 NATO 16 M4 Carbine Upper Assembly with a 15 MLOK rail and triport muzzle brake is a product designed for AR-15 enthusiasts looking for a high-quality upper receiver assembly. This specific setup is designed to provide shooters with a reliable and versatile platform for various sh..
    MORIARTI AR-15 5.56 NATO 16 M4 Carbine Upper Assembly with a 15 MLO...
    $289.95$399.95
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  • AR-15 .223 WYLDE 18" STAINLESS UPPER ASSEMBLY /15" M-LOK/BCG&CH
    AR-15 .223 WYLDE 18" STAINLESS UPPER ASSEMBLY/15" MODULAR M-LOK/BCG&CH:Barrel - 18" 416r stainless steel hbar contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in .223 Wylde, 1-8 rh twist. Button rifled. .750 under gas block.  1/2-28 threads, completed with a multipor..
    AR-15 .223 WYLDE 18" STAINLESS UPPER ASSEMBLY/15" MODULAR M-LOK/BCG...
    $399.95$669.95
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  • AR-15 .223 Wylde 24" CMV Fluted Tactical Bull Upper Assembly, Left Handed Side Charger
    AR-15 .223 Wylde CMV Fluted Tactical Bull Upper Assembly, Left Handed Side Charger.  CA and NY compliant.Barrel - 24" 4150 CMV heavy barrel, fluted. Heat Treated to RC 28-32 Hardness, and Stress Relieved.  Black nitride finish. Chambered in .223 Wylde, accepts both 5.56 and .223 ..
    AR-15 .223 Wylde CMV Fluted Tactical Bull Upper Assembly, Left Hand...
    $499.95$649.95
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  • AR-15 .223 Wylde 24" Tactical Bull Upper Assembly/Side Charger/BCG
    AR-15 .223 Wylde 24" Tactical Bull Upper Assembly, Side Charger.  For those who frequently fire from use of bipod, opting for a side-charging AR-15 can greatly enhance their shooting experience. This particular modification proves to be easier to operate as it solely requires the use of th..
    AR-15 .223 Wylde 24" Tactical Bull Upper Assembly, Side Charger.&nb...
    $399.95$549.95
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  • AR-15 .223/5.56 16" Black Wolf stainless steel upper assembly / Walking dead / Left handed side charger
    AR-15 .223/5.56 16" "Black Wolf" stainless steel upper assembly / Walking dead / Left handed side charger. This upper is build on left hand side charging upper receiver. Comes complete with BCG and CH.Barrel - 16" 416 stainless steel hbar barrel, stainless steel, nitride coated, stainless steel stra..
    AR-15 .223/5.56 16" "Black Wolf" stainless steel upper assembly / W...
    $499.95$699.95
  • AR-15 16" 5.56/.223 BARRETT STYLE LIGHTWEIGHT UPPER ASSEMBLY / 15" MLOK
    AR-15 16" 5.56/.223 BARRETT STYLE LIGHTWEIGHT UPPER ASSEMBLY / 15" MLOK FEATURES: Barrel Steel: 4150V Chrome Moly VanadiumBarrel Finish: NitrideMuzzle Thread: 1/2X28Chamber: 5.56 NATO (shoots both, 5.56 NATO and .223 Rem)Twist Rate: 1 in 7"Barrel Extension: M4Diameter at Gas Block: .750"Gas Blo..
    AR-15 16" 5.56/.223 BARRETT STYLE LIGHTWEIGHT UPPER ASSEMBLY / 15" ...
    $279.95$399.95
  • AR-15 5.56 NATO 5" Cookie Cutter Upper Assembly – MLOK, Anodized Black
    AR-15 5.56 NATO 5" Cookie Cutter Upper Assembly – MLOK, Anodized BlackUpgrade your AR-15 build with the 5.56 NATO 5" Cookie Cutter Upper Assembly. Designed for high-performance and reduced recoil, this upper assembly is perfect for short-barreled rifles and pistols. Featuring a Micro Length Gas Syst..
    AR-15 5.56 NATO 5" Cookie Cutter Upper Assembly – MLOK, Anodized Bl...
    $279.95$449.95
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  • AR-15 5.56 NATO 5'' PISTOL UPPER ASSEMBLY / BILLET UPPER / GOLD MUZZLE BRAKE
    AR-15 5.56 NATO 5'' PISTOL UPPER ASSEMBLY / BILLET UPPER / GOLD MUZZLE BRAKE FEATURES: Chamber:  5.56 NATO caliber Barrel: 5-inch pistol length barrel. This barrel has a 1:5 5R twist, which means the barrel's rifling, which imparts spin to the bullet for accuracy, completes a full rotat..
    AR-15 5.56 NATO 5'' PISTOL UPPER ASSEMBLY / BILLET UPPER / GOLD MUZ...
    $259.95$349.95
  • AR-15 5.56 NATO 5'' SLICK BILLET UPPER ASSEMBLY / 4'' MLOK / SHARK / FLAG DC and CH
    AR-15 5.56 NATO 5'' BILLET UPPER ASSEMBLY / 4'' MLOK / SHARK / FLAG DC and CH:Featuring a sleek design, the AR-15 5.56 NATO 5" Billet Upper Assembly with a 4" MLOK Shark Flag Dust Cover boasts top-notch components, including a 5.56 NATO micro length barrel with a 1:5 5R twist and black nitride finis..
    AR-15 5.56 NATO 5'' BILLET UPPER ASSEMBLY / 4'' MLOK / SHARK / FLAG...
    $269.95$349.95
  • AR-15 5.56 NATO 7.5" Complete Billet Side Charging Upper / Non-Reciprocating / BCG
    AR-15 5.56 NATO 7.5" Complete Billet Side Charging Upper / Non-Reciprocating This drop-in upper will attach to virtually any standard Mil Spec AR-15 lower assembly. The upper is optimized for the 5.56 NATO cartridge, with a barrel length of 7.5 inches. This setup is centered around it..
    AR-15 5.56 NATO 7.5" Complete Billet Side Charging Upper / Non-Reci...
    $499.95$599.95
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  • AR-15 5.56/ .223 WYLDE 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY /MLOK
    AR-15 5.56/ .223 WYLDE 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEMBLY /MLOKBarrel - 16" 416R stainless steel hbar contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in 5.56 nato (shoots both, 5.56 NATO and 223 rem), 1-8 rh twist. Bear Claw spiral flutes. Button rifled, 6 Grooves. ...
    AR-15 5.56/ .223 WYLDE 16" STAINLESS BLACK CLAW PREMIUM UPPER ASSEM...
    $269.95$449.95
  • AR-15 5.56/.223  Black Claw 16" Stainless Fluted Tactical Bull Upper Assembly  / Mlok
    AR-15 5.56/.223  Black Claw 16" Stainless Fluted Tactical Bull Upper Assembly  / Mlok. Exclusively designed by Moriarti Armaments. Barrel - 16" 416 stainless steel bull barrel with straight nitride fluting. Hardened to 26-32 rc and stress releived.  Chambered in 5.56 nato (also accep..
    AR-15 5.56/.223  Black Claw 16" Stainless Fluted Tactical Bull...
    $299.95$499.95
  • AR-15 5.56/.223 10.5" Pistol Upper Assembly / Shroud / Burnt Bronze
    AR-15 5.56/.223 10.5" Pistol Upper Assembly with Shroud – Burnt Bronze Cerakote FinishElevate your AR-15 pistol build with this high-performance 10.5" AR-15 pistol upper assembly, designed for precision, durability, and style. Featuring a Nitride-coated 5.56 NATO barrel, a low-profile gas block, and..
    AR-15 5.56/.223 10.5" Pistol Upper Assembly with Shroud – Burnt Bro...
    $299.95$449.95
  • AR-15 5.56/.223 10.5" Walking Dead pistol upper assembly
    AR-15 5.56/.223 10.5" Walking Dead pistol upper assembly  includes:Barrel - 10.5" 416 stainless steel hbar/heavy contour barrel. Hardened to 26-32 rc and stress relived.  Chambered in 5.56 NATO. 1-7 rh twist 6 groove button rifled. .750 under gas block. Barrel is finished off with walking ..
    AR-15 5.56/.223 10.5" Walking Dead pistol upper assembly  incl...
    $279.95$399.95
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  • AR-15 5.56/.223 10.5'' CARBINE UPPER ASSEMBLY / M-LOK / ROCKET MAN
    AR-15 5.56/.223 10.5'' CARBINE UPPER ASSEMBLY / 10'' M-LOK / ROCKET MAN 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 CMV GOVT PROFILE ..
    AR-15 5.56/.223 10.5'' CARBINE UPPER ASSEMBLY / 10'' M-LOK / ROCKET...
    $269.95$399.95
  • AR-15 5.56/.223 16" Black Diamond Modular Bull Upper Assembly / Mlok
    AR-15 5.56/.223 16" black diamond modular bull upper assembly is offered exclusively by Moriarti Armaments. The upper receiver features:Barrel - 16" 416 stainless steel bull contour barrel with black diamond fluting. Hardened to 26-32 rc and stress relieved.  Chambered in 5.56 nato (also accept..
    AR-15 5.56/.223 16" black diamond modular bull upper assembly is of...
    $349.95$549.95
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  • AR-15 5.56/.223 16" black diamond tactical upper assembly / Mlok
    AR-15 5.56/.223 16" black diamond tactical upper assembly. Barrel is exclusively designed for Moriarti Armaments - black nitride plated with stainless steel diamond flutes.Barrel - 16" 416 stainless steel hbar contour barrel with black diamond fluting. Hardened to 26-32 rc and stress relieved.&..
    AR-15 5.56/.223 16" black diamond tactical upper assembly. Barrel i...
    $289.95$549.95
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  • AR-15 5.56/.223 16" blue diamond modular bull upper assembly
    AR-15 5.56/.223 16" blue diamond modular bull upper assembly is offered exclusively by Moriarti Armaments. The upper receiver features:Barrel - 16" 416 stainless steel bull contour barrel with diamond fluting. Hand blue coated with stainless flutes. Hardened to 26-32 rc and stress relieved.  Ch..
    AR-15 5.56/.223 16" blue diamond modular bull upper assembly is off...
    $349.95$499.95
  • AR-15 5.56/.223 16" Blue Diamond Tactical Upper Assembly / Mlok
    AR-15 5.56/.223 16" Blue Diamond Tactical Upper Assembly / Mlok. Barrel is exclusively designed for Moriarti Armaments - Blue  nitride plated with stainless steel diamond flutes.Barrel - 16" 416 stainless steel hbar contour barrel with Blue  diamond fluting. Hardened to 26-32 rc and s..
    AR-15 5.56/.223 16" Blue Diamond Tactical Upper Assembly / Mlok. Ba...
    $299.95$549.95
  • AR-15 5.56/.223 16" CARBINE M4 UPPER / 15" MLOK / CERAKOTE & CHOOSE
    AR-15 5.56/.223 16" CARBINE M4 1:8 TWIST / 15" MLOK / CERAKOTE & CHOOSE COLOR ON TOP OF PAGE. Includes:Barrel - 16" 4150 CMV, 1x8 twist, M4 profile, carbine length gas system. Phosphate finish. Chambered in 5.56 NATO. Button rifled. .750 under gas block. 1/2-28 threads completed with A..
    AR-15 5.56/.223 16" CARBINE M4 1:8 TWIST / 15" MLOK / CERAKOTE &...
    $449.95
  • AR-15 5.56/.223 16" Carbine Upper Assembly / Gold Finish / Triport Muzzle Brake
    AR-15 5.56/.223 16" Carbine Upper Assembly / Gold Finish / Triport Muzzle Brake – Precision and Performance in StyleUpgrade your AR-15 with this 5.56/.223 16" Carbine Upper Assembly featuring a stunning Gold TiN Coating. Designed for high precision, accuracy, and reliability, this assembly is built ..
    AR-15 5.56/.223 16" Carbine Upper Assembly / Gold Finish / Triport ...
    $399.95$499.95
  • AR-15 5.56/.223 16" diamond fluted stainless steel tactical upper assembly
    AR-15 5.56/.223 16" diamond fluted stainless steel tactical upper is a perfect upgrade to your AR-15 Rifle. CA/NY compliant. Barrel - 16" 416R stainless steel hbar gov. Contour barrel. Chambered in 223 Wylde (accepts 5.56 and .223 rounds). 1-8 rh twist. Hardened to 26-32 rc and stress..
    AR-15 5.56/.223 16" diamond fluted stainless steel tactical up...
    $269.95$449.95
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  • AR-15 5.56/.223 16" Green Diamond Tactical Upper Assembly / Mlok
    AR-15 5.56/.223 16" Green Diamond Tactical Upper Assembly / Mlok. Barrel is exclusively designed for Moriarti Armaments - Green nitride plated with stainless steel diamond flutes. CURRENT ETA ON BARRELS: 2-4 weeksBarrel - 16" 416 stainless steel hbar contour barrel with Green diamond fluting. H..
    AR-15 5.56/.223 16" Green Diamond Tactical Upper Assembly / Mlok. B...
    $299.95$549.95
  • AR-15 5.56/.223 16" Midlength Pencil Profile Upper Assembly / Mlok / 1x7
    AR-15 5.56/.223 16" Midlength Pencil Profile Upper Assembly / Mlok / 1x7 Features:A3 flat top upper receiver - Made from certified 7075-T6 aluminum forgings. Black hardcoat anodized to gov. specs. Forward assist and dust cover installed. M4 feedramps.Barrel - 16" 4150 CMV pencil/lightweight con..
    AR-15 5.56/.223 16" Midlength Pencil Profile Upper Assembly / Mlok ...
    $289.95$369.95