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.
What parts do I need to build an AR-15?
A complete AR-15 build typically requires an upper assembly, lower receiver, lower parts, barrel, bolt carrier group, charging handle, stock or brace, buffer system, magazine, and compatible accessories. Product requirements may vary depending on your build configuration.
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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 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 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 & BCG – 7075-T6 Aluminum, .223/5.56/.300BLK
Upgrade your AR-15 build with the Left Side Charging Billet Upper Receiver and Bolt Carrier Group (B..
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..
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AR-15 Pistol Length 300 Blackout 16" BLACKHAWK 1/7 Nitride Kit with 10" M-LOK Handguard – Cerakote Camo Options
Build your perfect 300 Blackout AR-15 rifle with the 16" BLACKHAWK Carbine Kit. This high-performanc..
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..
-228x228.webp "Moriarti AR-15 300 Blackout 10.5\" Pistol Upper Assembly | 10\" OD Green M-LOK | A2 Flash Hider")
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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 .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 ..
MORIARTI AR-15 15" M-LOK Slim Profile Free Float Handguard / Diamond Cut - Lightweight, Made in USA
The MORIARTI AR-15 15" M-LOK Slim Profile Free Float Handguard combines premium materials and design..
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Moriarti AR-15 15" Mlok Rail / Free Float / Diamond Cut / FDE Cerakote
The MORIARTI AR-15 15" M-LOK Slim Profile Free Float Handguard combines premium materials and design..
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Moriarti AR-15 300AAC Blackout 16" Carbine-Length 1/8 Phosphate Magpul Moe Defender Rifle Kit
Build your perfect AR-15 300 Blackout with this high-quality 16" Magpul Moe Defender Rifle Kit. Desi..
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Moriarti AR-15 5.56 10.5" Diamond Cut 10" MLOK Upper Assembly / Triport / Black
Upgrade your AR-15 build with the Moriarti Armaments 5.56 NATO 10.5" Diamond Cut M-LOK Upper Assembl..
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Moriarti Armaments AR-15 SUMMER EDITION 16" Airlight Series Rifle Kit w/Matching Upper | Choose Color & Caliber
The Moriarti Armaments SUMMER EDITION 16" Airlight Series Rifle Kit in Green is the ultimate choice ..
AR-15 15" M-LOK Super Slim Light Free Float Handguard - D Cut, Anodized Black, 7075-T6 Aluminum
The AR-15 15" M-LOK Super Slim Light Free Float Handguard is engineered for strength, durability, an..
AR-15 15" SOCOM Series Suppressor Compatible M-LOK Handguard – Anodized Black
The AR-15 15" SOCOM Series Suppressor Compatible Handguard is engineered for shooters running modern..
AR-15 15" Trump Series M-LOK Free Float Handguard | Limited Edition with Monolithic Rail, Choose Your Anodized Color
Introducing the AR-15 15" Trump Series M-LOK Free Floating Handguard, a Limited Edition that offers ..
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AR-15 5.56/.223 13.9" Carbine Upper Assembly w/ 7" Fake Suppressor
Upgrade your AR-15 with the 13.9" Carbine Upper Assembly, featuring a sleek pencil profile barrel an..
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AR-15 6.5 Grendel 16" Carbine Upper Assembly | 15" M-Lok Handguard | Custom Cerakote Gradient Colors | 1:8 Twist | 5/8x24 Thread
Upgrade your AR-15 with the Moriarti Armaments 6.5 Grendel 16" Carbine Upper Assembly, offering powe..
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AR-15 6.5 Grendel Type II 16" Tactical Upper Assembly – M-LOK Handguard, 4150 CMV Barrel, Shark Muzzle
Moriarti Armament's AR-15 16" 6.5 Grendel Type II Tactical Upper Assembly – M-LOK Handguard, 41..
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AR-15 7.62x39 16" Magpul Moe Defender Rifle Kit - Various Colors
AR-15 7.62x39 16" Magpul Moe Defender Rifle Kit - Mil-Spec, Customizable, Made in the USABuild your ..