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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AR-47 7.62x39 10.5" Pistol Parts Kit – 7" Fake Can, SBA3 Pistol Brace, M-LOK
The AR-47 7.62x39 10.5" Pistol Parts Kit offers everything you need to complete your AR-15 build wit..
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AR-47 7.62x39 16" Diamond Fluted Stainless Steel Barrel / 1:10 Twist / Carbine Length – Moriarti Armaments
Upgrade your AR-47 with precision and durability. This 16” 7.62x39 diamond fluted barrel from Moriar..
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AR-47 7.62x39 16" Fluted Stainless Steel Tactical Upper Assembly with M-LOK | Moriarti Arms
The AR-47 7.62x39 16" Fluted Stainless Steel Tactical Upper Assembly / M-LOK offers a precision-buil..
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AR-47 7.62x39 16" Upper Assembly / 1:10 Twist / 12" M-LOK Handguard / Carbine Length
Enhance your AR-15 platform with the AR-47 7.62x39 16" Upper Assembly, designed to deliver hard-hitt..
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AR-47 7.62x39 16" Upper Assembly / 1:10 Twist / 15" M-LOK Free Float Rail
Upgrade your AR-15 with the stopping power of the AR-47 7.62x39 16" Upper Assembly, built for reliab..
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AR-47 7.62x39 Complete Bolt Carrier Group – Extended Firing Pin, MPI Tested, USA Made
Ensure flawless cycling and ignition with the AR-15 7.62x39 Complete Bolt Carrier Group—precision-en..
AR-47 7.62x39 Enhanced Firing Pin for AR-15 / Heat Treated / Steel Case Ammo Ready – Moriarti Arms
Solve light primer strike issues with steel-cased ammo using Moriarti’s AR-47 7.62x39 Enhanced Firin..
AR-47 7.62x39 Extra-Power Heavy Hammer Spring – Wolff XP Upgrade
Solve ignition issues and misfires caused by surplus or steel-case ammo with the AR-47 7.62x39 Wolff..
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AR-47 7.62x39, 7.5" Heavy Barrel, 1:10 Twist, Pistol Length | Parkerized
7.62x39, 7.5" Heavy Barrel, 1:10 Twist, Pistol Length | Parkerized. Comes with barrel extension and ..
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AR-5.56 / 9MM 24K Gold Micro Barrel Shroud & Muzzle Comp | T6 Aluminum | 1/2x28 – Moriarti Arms
Enhance the performance and appearance of your AR platform pistol with this US-made Micro Dual Purpo..
AR15 AIRLITE SERIES "MINIMALIST" STOCK KIT - VARIOUS COLORS
Spiral Buffer Tube6061 Aluminum Tube, and EndplateShort Textured Buttplate, Non Slip DesignExtremely..
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AR15/M4 Round Hand Guard Retainer Cap for 2-Piece Style Hand Guards – Black
The M4/M16 Round Hand Guard Retainer Cap is the ideal replacement part for damaged or lost pieces on..
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AR47 Complete Lower Receiver | MA15 7.62x39 Mil-Spec Lower | Moriarti Armaments
Complete your AR47 build with the Moriarti MA15 7.62x39 Complete Lower Receiver. Built from a durabl..
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Billet AR-15 Upper Receiver – 6061-T6 Slick Side Black
Built for clean, lightweight AR-15 configurations, this Billet AR-15 Upper Receiver is precision-mac..
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CMMG 5.7x28mm 8" Barrel & BCG Kit | Radial Delayed Blowback
The CMMG 5.7x28mm 8" Barrel and BCG Kit combines the two core CMMG components for a compatible AR-pl..
CMMG Deluxe Model Bravo .22LR Conversion Kit / Stainless Steel Bolt / No Magazine
Transform your 5.56/.223 AR-15 into a .22LR semi-automatic with the CMMG Deluxe Model Bravo .22 Conv..
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Combo Deal: AR-15 CMMG 16.1" Barrel and BCG Kit 5.7x28mm – Perfect for AR Builds
Build your custom AR-15 with the CMMG 16.1" 5.7x28mm Barrel and Bolt Carrier Group (BCG) Kit. This c..
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Combo Set: .22LR Kit – 9" Barrel, Stainless Bolt Group & Charging Handle
Get everything you need to upgrade your AR-15 with our comprehensive .22LR Combo Set. This kit featu..
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Combo Set: AR-22 22LR 16" Pencil Profile Barrel with Dedicated Steel BCG
Upgrade your AR-15 platform with this Combo Deal featuring a 16" Pencil Profile Barrel and a Dedicat..
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Combo Set: Dedicated .22LR Kit – 4.5" Barrel, Stainless Bolt Group & Charging Handle
Enhance your AR-15 with our dedicated .22LR Kit, designed for compact and efficient performance. Thi..
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Franklin Armory BFSIII AR-ELITE Binary Trigger – Curved & Straight Trigger | 4.5 lb Pull
The Franklin Armory BFSIII AR-ELITE Binary Firing System is a premium AR-platform trigger system fea..
Franklin Armory BFSIII Elite Libertas Multi-Caliber Complete AR-15 Lower – Binary Trigger | B5 SOPMOD
The Franklin Armory BFSIII Elite Libertas Lower Receiver is a factory-configured complete AR-15 lowe..
Franklin Armory BFSIII Elite Salus Multi-Caliber Complete AR-15 Pistol Lower – Elite Binary Trigger | SBM4 Brace
The Franklin Armory BFSIII Elite Salus Lower Receiver is a factory-configured complete AR-15 pistol ..
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Franklin Armory BFSIII M4 Built Multi-Caliber Complete AR-15 Lower – AR-Essential Binary Trigger | A2 Stock
The Franklin Armory BFSIII M4 Built Lower Receiver is a factory-configured complete AR-15 lower feat..