5.56/.223

Moriarti Armaments .223/5.56 LEFT HANDED UPPER ASSEMBLY SELECTION -  Designed especially for the left-handed shooters, our AR-15 5.56/.223 left handed upper assemblies are made in the USA. It offers a highly durable and solid construction that is second to none.


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  • AR-15 5.56/.223 16" M4 MAGPUL MOE DEFENDER RIFLE KIT / Left Hand
    AR-15 5.56/.223 16"M4 MAGPUL MOE DEFENDER RIFLE KIT, left hand. This rifle kit contains all components to complete your AR-15 Rifle build in various colors (choose on top). The rifle kit includes left hand upper receiver, left hand BCG, and left hand lower parts kit. Comes WITHOUT 80% lower rec..
    AR-15 5.56/.223 16"M4 MAGPUL MOE DEFENDER RIFLE KIT, left hand. Thi...
    $649.95$699.95
  • AR-15 5.56/.223 16" M4 SLIM PROFILE UPPER ASSEMBLY /12" MLOK / LEFTY
    The AR-15 5.56/.223 16 M4 Slim Profile Upper Assembly with a 12 MLOK is an upper for an AR-15 rifle in left-handed configuration.This particular upper assembly is designed to work with 5.56/.223 caliber ammunition. This is a very common ammunition type for AR-15 rifles, used in both military and civ..
    The AR-15 5.56/.223 16 M4 Slim Profile Upper Assembly with a 12 MLO...
    $299.99$499.95
  • AR-15 5.56/.223 Wylde 10.5" Semi Auto Pistol | Left Hand | SBA3
    AR-15 5.56/.223 Wylde 10.5" Semi Auto Pistol | Left Hand | SBA3. A forged aluminum AR pistol with metal mil-spec parts installed with SB Tactical SBA3 5-position pistol arm stabilizing brace. For Left Hand gun enthusiasts. FFL transfer item. Made in USA. Does not come with sights or scope. Cali..
    AR-15 5.56/.223 Wylde 10.5" Semi Auto Pistol | Left Hand | SBA3. A ...
    $849.95$1,299.95
  • AR-15 5.56/.223 Wylde 7.5" Semi Auto Pistol | Left Hand | SBA3
    AR-15 5.56/.223 Wylde 7.5" Semi Auto Pistol | Left Hand | SBA3 - This compact, lightweight AR-15 pistol delivers precision and reliability. Its aluminum build guarantees strength without compromising portability, allowing you to bring this anywhere. The installed mil-spec parts and the SBA3 5-p..
    AR-15 5.56/.223 Wylde 7.5" Semi Auto Pistol | Left Hand | SBA3 -&nb...
    $849.95$1,299.95
  •  AR-15 5.56/.223 10.5" Nitride Upper Assembly / Stainless Triport / Left Hand
     AR-15 5.56/.223 10.5" Nitride Upper Assembly / Stainless Triport / Left Hand features: Barrel - 10.5" 416 stainless steel government profile barrel, nitride coated. Hardened to 26-32 rc and stress relieved.  Chambered in 5.56 NATO (shoots both, 5.56 NATO and 223 Rem). 1-7 rh twist.&n..
     AR-15 5.56/.223 10.5" Nitride Upper Assembly / Stainless Trip...
    $399.95$499.95
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  • AR-15 5.56 16" COMPLETE AIRLIGHT SERIES RIFLE KIT LEFT HAND - VARIOUS COLORS
    AR-15 5.56 16" COMPLETE AIRLIGHT SERIES RIFLE KIT LEFT HAND - Choose various colors, blue, green, white, red, yellow or burnt bronze, among others. This rifle kit contains all components to complete your AR-15 project, except 80 percent stripped lower receiver. Available for purchase separat..
    AR-15 5.56 16" COMPLETE AIRLIGHT SERIES RIFLE KIT LEFT HAND - Choos...
    $699.95$809.95
  • AR-15 5.56 7.5" Shark Upper Assembly / Lefty / Mlok
    AR-15 5.56 7.5" Shark Upper Assembly / Lefty / Mlok. Barrel - 7.5" 4150 CMV med contour barrel. Hardened to 26-32 rc and stress relieved.  Chambered in 5.56 nato (also accepts .223 rounds). 1-7 rh twist 6 groove button rifled. .750 under gas block. 1/2-28 threads on muzzle end and finished off ..
    AR-15 5.56 7.5" Shark Upper Assembly / Lefty / Mlok. Barrel - 7.5" ...
    $369.95$449.95
  • AR-15 5.56/.223 16" Diamond Fluted Upper Assembly / Left Hand
    AR-15 5.56/.223 16" diamond fluted upper assembly, Left HandBarrel - 16" 416 stainless steel hbar contour barrel.  Diamond fluted. Hardened to 26-32 rc and stress releived.  Chambered in .223 Wylde - shoots both, 5.56 NATO and 223 Rem. 1-8 rh twist button rifled. .750 under gas block. Thre..
    AR-15 5.56/.223 16" diamond fluted upper assembly, Left HandBarrel ...
    $399.95$499.95
  • AR-15 5.56/.223 16" stainless steel bull upper assembly / Left Hand / Mlok
    AR-15 5.56/.223 16" stainless steel bull upper assembly Left Hand. Barrel - 16" 416 stainless steel bull contour barrel. Hardened to 26-32 rc and stress releived.  Chambered in 5.56 nato (also accepts .223 rounds). 1-9 rh twist 6 groove button rifled. .936 under gas block. Target crow..
    AR-15 5.56/.223 16" stainless steel bull upper assembly Left Hand.&...
    $399.95$449.95
  • AR-15 5.56/.223 20" STAINLESS BLACK SPIRAL FLUTED BULL UPPER ASSEMBLY / LEFT HAND
    AR-15 5.56/.223 20" STAINLESS BLACK SPIRAL FLUTED BULL UPPER ASSEMBLY / LEFT HAND Features:Barrel - 20" 416 stainless steel bull contour barrel with spiral fluting, double tone. Hardened to 26-32 rc and stress relieved.  Chambered in .223 Wylde ( accepts 5.56 NATO and .223 Rem rounds)..
    AR-15 5.56/.223 20" STAINLESS BLACK SPIRAL FLUTED BULL UPPER ASSEMB...
    $499.95$599.95
  • AR-15 5.56/.223 20" STRAIGHT FLUTED STAINLESS UPPER ASSEMBLY / LEFT HAND
    AR-15 5.56/.223 20" STRAIGHT FLUTED STAINLESS UPPER ASSEMBLY / LEFT HAND Features: Barrel - 20" 416R stainless steel hbar contour barrel. Hardened to 26-32 rc and stress relieved.  Chambered in 223 Wylde (accepts both 5.56 NATO and .223 Rem rounds). 1-8 rh twist 6 groove button rifled. .750 und..
    AR-15 5.56/.223 20" STRAIGHT FLUTED STAINLESS UPPER ASSEMBLY / LEFT...
    $449.95$549.95
  • AR-15 5.56/.223 Wylde 16" Semi Auto Rifle | Left Hand | Magpul Moe
    AR-15 5.56/.223 Wylde 16" Semi Auto Rifle | Left Hand | Magpul Moe. A forged aluminum AR rifle with metal mil-spec parts installed with Magpul Moe 6-position mil spec stock. For Left Hand gun enthusiasts. FFL transfer item. Made in USA. Does not come with sights or scope. Caliber: .223 Wyl..
    AR-15 5.56/.223 Wylde 16" Semi Auto Rifle | Left Hand | Magpul Moe....
    $799.95$1,299.95
  • AR-15 5.56/.223 WYLDE 18" STAINLESS BLACK CLAW UPPER ASSEMBLY / LEFTY / MLOK
    AR-15 5.56/.223 WYLDE 18" STAINLESS BLACK CLAW UPPER ASSEMBLY / LEFTY / MLOK. THIS UPPER IS ESPECIALLY BUILD FOR LEFT HAND GUN ENTHUSIAST.Barrel - 18" 416R stainless steel hbar contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in 5.56 nato (shoots both 5.56 and .223), 1-8 rh twist...
    AR-15 5.56/.223 WYLDE 18" STAINLESS BLACK CLAW UPPER ASSEMBLY / LEF...
    $399.95$499.95
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  • AR-15 5.56/.223/ 300 AAC complete bolt carrier group / LEFT HAND
    AR-15 5.56/.223 bolt carrier group LEFT HAND. Comes completely assembled, properly staked gas key, and ready to drop in your upper.Includes: M16 style carrier made from 8620 steel chrome lined Mpi tested bolt made from 9310 steel and phosphated coated (every single bolt is mpi tested) Extend..
    AR-15 5.56/.223 bolt carrier group LEFT HAND. Comes completely asse...
    $179.95
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  • AR-15 5.56/300/350 Complete Nickel Boron Bolt Carrier Group / LEFT HAND
    AR-15 5.56/300/350 Complete Nickel Boron Bolt Carrier Group / LEFT HAND. Comes completely assembled, properly staked gas key, and ready to drop in your upper. Features: LEFT HAND M16 STYLE NICKEL BORON COATED CARRIER MADE FROM 8620 STEELLEFT HAND NICKEL BORON COATED 5.56 BOLT ..
    AR-15 5.56/300/350 Complete Nickel Boron Bolt Carrier Group / LEFT ...
    $199.95
  • AR-15 5.56/300AAC complete bolt assembly / LEFT HAND / Nickel Boron
    AR-15 5.56 bolt assembly LEFT HAND for your AR15 left hand upper receiver. COMPLETE LEFT HAND 5.56x45 NATO BOLT ASSEMBLY, NIBLEFT HAND NICKEL BORON COATED 5.56 BOLT MADE FROM 9310 STEEL (EACH BOLT MPI TESTED)EACH BOLT IS SHOT PEENED AND MPI TESTED PER MIL-SPECCOMES FULLY ASSEMBLE..
    AR-15 5.56 bolt assembly LEFT HAND for your AR15 left hand upper re...
    $119.95
  • AR-15 5.56/300AAC/350 Legend complete bolt assembly / LEFT HAND
    AR-15 5.56 bolt assembly LEFT HAND for your AR15 left hand upper receiver. COMPLETE LEFT HAND 5.56x45 NATO BOLT ASSEMBLYMADE FROM 9310 STEELEACH BOLT IS SHOT PEENED AND MPI TESTED PER MIL-SPECMATTE BLACK PHOSPHATE FINISHCOMES FULLY ASSEMBLED AND READY TO DROP IN YOUR CARRIER..
    AR-15 5.56 bolt assembly LEFT HAND for your AR15 left hand upper re...
    $99.95
  • AR-15 A3 flat top upper receiver black anodized, Left Hand
    AR-15 A3 flat top upper receiver black anodized, Left HandHigh Quality Forged Upper receiver.Milled to precise final specifications from 7075 aluminum forgings to produce a tough, high-quality upper you can depend on. Military-style. Hard-anodized finish that will stand up to rough use. Comes comple..
    AR-15 A3 flat top upper receiver black anodized, Left HandHigh Qual...
    $189.95
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  • AR-15 Lower Receiver Parts Kit with Ambi Selector
    AR-15 Lower Parts Kit - Left Hand Includes:          Black A2 Pistol Grip and Hammer     Trigger     Pistol Grip Screw (Black Bag)     Pistol Grip Lock Washer (Black Bag)     Ambi Safety Selector,..
    AR-15 Lower Parts Kit - Left Hand Includes:      ...
    $89.95