AR-15 Parts, Rifles, Uppers & Accessories
AR-15 Rifles, Kits & Gun Accessories
Welcome to the AR-15 hub at Moriarti Armaments—your one-stop destination for AR-15 rifles, pistols, upper assemblies, complete lowers, parts, kits, barrels, triggers, handguards, magazines, optics, and accessories. Whether you're building a custom rifle, upgrading an existing firearm, or replacing worn components, you'll find quality products engineered for reliability and performance. Browse complete AR-15 solutions and individual components for popular calibers including 5.56 NATO, .223 Wylde, 300 AAC Blackout, 7.62x39, 6.5 Grendel, 6MM ARC, .224 Valkyrie, .350 Legend, .400 Legend, .450 Bushmaster, .458 SOCOM, .50 Beowulf, 12.7x42, and more.
Why is the AR-15 platform so popular?
The AR-15 platform is popular because of its modular design, broad parts availability, caliber selection, and ability to support many different configurations. AR-15-style firearms can be configured for cartridges including 5.56 NATO/.223 Remington, 300 Blackout, 6.5 Grendel, 6.8 SPC II, 7.62x39, .350 Legend, .400 Legend, .450 Bushmaster, .50 Beowulf/12.7x42, and .338 ARC, depending on the components used. Shooters can also choose among different barrel lengths, handguards, stocks or pistol configurations, triggers, optics, and finishes.
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Moriarti AR-15 400 Legend 16" Tactical Upper – 4150 CMV Nitride, M-LOK Rail, Barrel Shroud
Upgrade your AR-15 with the Moriarti 400 Legend 16" Tactical Upper Assembly, engineered for power, p..
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Moriarti AR-15 5.56 NATO 10.5" Semi Auto Pistol | Burnt Bronze Cerakote | M-LOK | SBA3 Pistol Brace | Made in USA
Upgrade your AR-15 platform with the Moriarti AR-15 5.56 NATO 10.5" Semi-Auto Pistol. This pistol is..
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Moriarti AR-15 5.56/.223 10.5" Semi-Auto Pistol – Green Accents, SBA3 Brace, M-Lok Rail
The AR-15 5.56/.223 10.5" Semi-Auto Pistol from Moriarti Armaments is a powerful and versatile firea..
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Moriarti AR-47 7.62x39 10.5" Semi Auto Pistol | Burnt Bronze Cerakote | M-LOK | SBA3 Pistol Brace | Made in USA
Elevate your firearm collection with the Moriarti AR-47 7.62x39 10.5" Semi Auto Pistol, built to off..
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Moriarti AR-47 7.62x39 10.5" Upper Assembly – Nitro-Met, Quadrail, Socom Muzzle Brake
Enhance your AR-15 build with the 7.62x39 10.5" Nitro-Met Quad Upper Assembly, designed for shooters..
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Moriarti Armaments AR-15 10.5" Pistol – 5.56 NATO | SBA3 Brace | M-LOK Rail | High-Performance Shortie
The AR-15 Complete Pistol Shortie combines compact size, reliable performance, and high-quality craf..
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Moriarti Arms MA-15 6.5 Grendel 22" Semi-Auto Rifle | Magpul PRS Stock, M-Lok Handguard
The Moriarti Arms MA-15 6.5 Grendel 22" Semi-Auto Rifle is designed for precision shooting and hunti..
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AR-15 .223/5.56 12.5" Pistol Upper Assembly | M-LOK Handguard | Anodized Black | Upgrade Your AR
Upgrade your AR-15 with the AR-15 .223/5.56 12.5" Pistol Upper Assembly featuring a 12" M-LOK Slim P..
AR-15 12" Air LITE Skeletonized Series M-LOK Free Floating Handguard with Monolithic Top Rail – Choose Color
The AR-15 12" Air LITE Skeletonized Series M-LOK Free Floating Handguard delivers premium performanc..
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AR-15 12" Quadrail Float Handguard with Round Port / Cerakote Finish – Multiple Colors Available
Enhance your AR-15 with the 12" Quadrail Float Handguard featuring a round port design and Cerakote ..
AR-15 12" SOCOM Suppressor Compatible M-LOK Handguard - 1.74" Dia, Choose Color
The AR-15 12" SOCOM Series Suppressor Compatible Handguard is engineered for shooters running modern..
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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..
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AR-15 300 AAC Blackout 10.5" Pistol Upper Assembly | Flash Cone
AR-15 300 AAC Blackout 10.5" Pistol Upper Assembly | Flash Cone | Precision PerformanceUpgrade your ..
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AR-15 300 Blackout 16" BLACKHAWK Rifle Kit – M-LOK | Cerakote Color Choice
Build a distinctive 300 Blackout AR-15 rifle with the Moriarti 16" BLACKHAWK Rifle Kit. This configu..
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AR-15 300 BLK 10.5" Walking Dead pistol upper assembly / Mlok
AR-15 300 BLK 10.5" Walking Dead Pistol Upper Assembly | MLOK | Custom CompensatorIncludes:Premium B..
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AR-15 5.56 NATO 10.5" PISTOL KIT /SLICK SIDE / 10" QUADRAIL - COLOR OPTION
AR-15 5.56 NATO 10.5" PISTOL KIT /10" QUADRAIL HANDGUARD - COLOR OPTION AVAILABLE ON TOP OF PAGE,&nb..
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AR-15 5.56/.223 10.5" Nitro-Met Quad Upper Assembly with Red Socom Style Brake
AR-15 5.56/.223 10.5" Nitro-Met Quad Upper Assembly with Red Socom Style BrakeElevate your AR-15 bui..
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AR-15 5.56/.223 10.5" Nitro-Met Quad Upper Assembly with Socom Style Brake
AR-15 5.56/.223 10.5" Nitro-Met Quad Upper Assembly with SOCOM Style Muzzle BrakeUpgrade your AR-15 ..
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AR-15 5.56/.223 10.5" Pistol Kit /10" slim mlok rail / Classic
Build your dream AR-15 with this 5.56/.223 10.5" Complete Pistol Kit featuring a 10" Slim M-Lok Free..
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AR-15 5.56/.223 10.5" Tactical Pistol Kit / 7" FAKE CAN / SBA3
AR-15 5.56/.223 10.5" Tactical Pistol Kit / 7" FAKE CAN / SBA3 - contains all components to complete..
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AR-15 5.56/.223 Moriarti 12.5" Zombie Slayer Semi Auto Pistol | Battleworn Green
AR-15 5.56/.223 Moriarti 12.5" Zombie Slayer Semi Auto Pistol | Battleworn Green. Limited Edition. F..
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AR-15 6.5 Grendel 12.5" Ballistic Premium Pistol Upper - Enhanced Performance and Precision
Upgrade your AR-15 with the 6.5 Grendel 12.5" Ballistic Premium Pistol Upper, a high-performance upp..
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AR-15 Billet Left Side Charging Upper Receiver – Choose Caliber | No BCG
Upgrade your AR-platform configuration with this billet AR-15 left side charging upper receiver, ava..
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AR-15 Custom 6.5 Grendel 12.5" Upper Assembly | Hunting & Tactical AR-15 Build | M-LOK | Triport
Enhance your AR-15 build with this Custom 6.5 Grendel 12.5" Upper Assembly, designed for tactical pe..
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AR-15 Left Side Charging Billet Upper Receiver – Choose Caliber
Upgrade your AR-15 configuration with a Left Side Charging Billet Upper Receiver, available for .350..
AR-15 M-LOK Free Float Handguard - 13.5" | Durable Black Anodized, Customizable Rail System
Upgrade your AR15 platform with the 13.5" M-LOK Free Float Handguard. Constructed from 6061-T6 aircr..
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AR-15 Moriarti Arms 12.5" Semi-Auto Pistol | M-LOK Handguard | SBA3 Brace | FFL Item - Available in 5.56 & 300 Blackout
Discover the perfect balance of performance, portability, and accuracy with the AR-15 5.56/.223 Mori..
AR15 12" Air Lite Series ‘Honeycomb’ M-LOK Free Floating Handguard with Monolithic Top Rail – Choose Your Color
The 12" Air Lite Series ‘Honeycomb’ M-LOK Free Floating Handguard combines strength, durability, and..
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Moriarti AR-15 .338 ARC 16" Upper Assembly | 12" M-LOK | A2 Flash Hider
Step up your AR game with the Moriarti AR-15 .338 ARC 16" Upper Assembly, built for enhanced energy ..
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MORIARTI AR-15 12" M-LOK Slim Profile Free Float Handguard / Diamond Cut - Ultra Lightweight, Made in USA
The MORIARTI AR-15 12" M-LOK Slim Profile Free Float Handguard is designed to enhance your AR-15 bui..
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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-..
-228x228.webp "Moriarti AR-15 300 Blackout 10.5\" Pistol Upper Assembly | MLOK | Shroud")
-228x228.webp "Moriarti AR-15 300 Blackout 10.5\" Pistol Upper Assembly | MLOK | Shroud")
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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 | Precision EngineeringThe M..
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Moriarti AR-15 300 Blackout 10.5" Quad Upper – Nitro-Met with Socom Style Brake
Experience unparalleled shooting performance with the Moriarti AR-15 300 AAC Blackout 10.5" Upper As..
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AR-15 .338 ARC 16" Rifle Kit | 1:8 Twist | LE Stock | 6.5 Grendel BCG
Take advantage of the versatility of .338 ARC in the AR-15 platform with the Moriarti 16" .338 ARC R..
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AR-15 .350 Legend 20" Stainless Steel Tactical Upper Assembly | Mlok | A2 Flash Hider
Unlock the full potential of your AR-15 with the Moriarti Armaments .350 Legend 20" Stainless Steel ..
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AR-15 .450 Bushmaster 20" Black Nitride Upper Assembly with MLOK | Big Bore Performance
The AR-15 .450 Bushmaster 20" Black Nitride Upper Assembly is designed for big bore performance, off..
AR-15 15" M-LOK Super Slim Light Free Float Handguard with D Cut – Anodized Red, 7075-T6 Aluminum
The 15" M-LOK Super Slim Light Free Float Handguard with D Cut is designed to elevate your AR-15 bui..
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AR-15 300 AAC Blackout 16" Classic Quadrail Build Kit – Customizable Color Options
The AR-15 300 AAC Blackout 16" Classic Quadrail Build Kit is the ultimate choice for building your o..
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AR-15 300 Blackout 16" Carbine Kit with 10" M-Lok – Cerakote Camo Accent Colors
AR-15 300 Blackout 16" Carbine Kit with 10" M-Lok – Cerakote Camo Accent Colors – Customizable, Mil-..
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AR-15 300 Blackout 16" Rifle Kit with 15" M-Lok Handguard, Magpul SL Stock and Grip – Cerakote Option
AR-15 300 Blackout 16" Rifle Kit with 15" M-Lok Handguard, Magpul SL Stock and Grip – Cerakote Optio..
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AR-15 300 Blackout 16" Stainless Black Claw rifle kit /12" mlok rail/Adaptive Stock
AR-15 300 Blackout 16" Stainless Black Claw rifle kit /12" mlok rail contains all components to..
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AR-15 5.56/.223 10.5" Slim Nitride Upper Assembly | Cerakote Finish | Choose Your Color
AR-15 5.56/.223 10.5" Slim Nitride Upper Assembly | Cerakote Finish | Choose Your ColorUpgrade your ..
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AR-15 5.56/.223 12.5" M4 Pistol Kit / Mlok / SBA3
Complete Your Build with the AR-15 5.56/.223 12.5" Pistol Kit – M-Lok, SBA3 Brace, and Mil-Spec Comp..
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AR-15 6.5 Grendel 16" Tactical Upper with 15" M-Lok Handguard and Thread Protector - Precision, Power, and Durability
AR-15 6.5 Grendel 16" Tactical Upper with 15" M-Lok Handguard - Precision, Power, and DurabilityUpgr..
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AR-15 6.5 Grendel 18" Nitride Upper Assembly with Slim M-Lok Rail - Precision Performance for Tactical & Long-Range Shooting
Enhance your AR-15 with the 6.5 Grendel 18" Nitride Upper Assembly, built for precision, power, and ..
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AR-15 7.62x39 16" Stainless Steel Tactical Complete Rifle Kit | Mil-Spec, USA-Made
AR-15 7.62x39 16" Stainless Steel Tactical Complete Rifle Kit | Mil-Spec, Customizable, USA-MadeBuil..
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AR-47 7.62x39 16" Rifle Build Kit with Quadrail & LE Stock – USA-Made, Mil-Spec Components, Color Options
AR-47 7.62x39 16" Rifle Build Kit with Quadrail & LE Stock – USA-Made, Mil-Spec Components, Colo..
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AR-47 7.62x39 16" Rifle Build Kit – Custom Cerakote Burnt Bronze Finish, Black Tanker, Free Float Handguard
AR-47 7.62x39 16" Rifle Build Kit – Custom Cerakote Burnt Bronze Finish, Black Tanker, Free Float Ha..
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AR-47 7.62x39 16" Rifle Kit with Nitride Barrel, Custom Cerakote Options, 15" M-Lok Handguard, Magpul Stock
AR-47 7.62x39 16" Rifle Kit with Nitride Barrel, Custom Cerakote Options & M-Lok Handguard | Bui..
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Moriarti 16" Pistol-Length 300AAC Blackout 1/7 Nitride 10" Lightweight M-Lok Classic Rifle Kit
Build your ideal 300 Blackout AR-15 with this complete AR-15 300 Blackout Rifle Build Kit. Designed ..