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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-15 6.5 Grendel 10.5" Premium Pistol Kit / MLOK / SBA3 Brace - Unassembled Parts Kit
Sale
-36%

AR-15 6.5 Grendel 10.5" Premium Pistol Kit / MLOK / SBA3 Brace - Unassembled Parts Kit

The AR-15 6.5 Grendel 10.5" Premium Pistol Kit is designed for shooters looking to build a custom AR..

$449.95 $699.95
AR-15 7.62X39 16" Carbine "CLAW" Upper Assembly | MLOK, Nitride Barrel, Muzzle Brake AR-15 7.62X39 16" Carbine "CLAW" Upper Assembly | MLOK, Nitride Barrel, Muzzle Brake
Sale
-25%

AR-15 7.62X39 16" Carbine "CLAW" Upper Assembly | MLOK, Nitride Barrel, Muzzle Brake

Upgrade your AR-15 with the 7.62X39 16" Carbine "CLAW" Upper Assembly, offering a robust design idea..

$299.95 $399.95
AR-15 7.62x39 30-Round ASC Magazine – Black, U.S.A. Made

AR-15 7.62x39 30-Round ASC Magazine – Black, U.S.A. Made

AR-15 7.62x39 30-Round ASC Magazine – Enhance your shooting experience with this 30-round magazine d..

$27.95
AR-15 7.62x39 5" Moriarti Minimalist Series Semi Auto Pistol | HBPDW AR-15 7.62x39 5" Moriarti Minimalist Series Semi Auto Pistol | HBPDW
Sale
-41%

AR-15 7.62x39 5" Moriarti Minimalist Series Semi Auto Pistol | HBPDW

AR-15 7.62x39 5" Minimalist Series Semi Auto Pistol | HBPDW Adjustable Brace.  Must be transfer..

$799.95 $1,349.95
AR-15 7.62x39 5" Pistol Hybrid Upper Assembly - Spitfire / MLOK Rail AR-15 7.62x39 5" Pistol Hybrid Upper Assembly - Spitfire / MLOK Rail
Sale
-33%
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AR-15 7.62x39 5" Pistol Hybrid Upper Assembly - Spitfire / MLOK Rail

The AR-15 7.62x39 5" Pistol Hybrid Upper Assembly with Spitfire Muzzle Brake and MLOK Rail is the pe..

$299.95 $449.95
AR-15 7.62x39 5" PISTOL KIT - BILLET UPPER / 4" HANDGUARD / CERAKOTE SPLATTER - CHOOSE YOUR COLOR AR-15 7.62x39 5" PISTOL KIT - BILLET UPPER / 4" HANDGUARD / CERAKOTE SPLATTER - CHOOSE YOUR COLOR
Sale
-33%

AR-15 7.62x39 5" PISTOL KIT - BILLET UPPER / 4" HANDGUARD / CERAKOTE SPLATTER - CHOOSE YOUR COLOR

AR-15 7.62x39 5" PISTOL KIT - BILLET UPPER / 4" HANDGUARD / CERAKOTE SPLATTER - CHOOSE YOUR COLOR!El..

$469.95 $699.95
AR-15 7.62x39 5" Pistol Parts Kit / Mlok / Camo Color Choice / Micro AR-15 7.62x39 5" Pistol Parts Kit / Mlok / Camo Color Choice / Micro
Sale
-28%
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AR-15 7.62x39 5" Pistol Parts Kit / Mlok / Camo Color Choice / Micro

AR-47 7.62x39 5" Pistol Parts Kit – M-LOK, Camo Color Options, Micro Gas System – Complete Mil-..

$469.95 $649.95
AR-15 7.62X39 5" SPIDER PISTOL KIT - FORGED UPPER WITH 4" HANDGUARD - COLOR SET
Sale
-39%
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AR-15 7.62X39 5" SPIDER PISTOL KIT - FORGED UPPER WITH 4" HANDGUARD - COLOR SET

AR-15 7.62X39 5" SPIDER PISTOL KIT - FORGED UPPER WITH 4" HANDGUARD - COLOR SETBuild Your Own High-P..

$429.95 $699.95
AR-15 7.62×39 16" Diamond Stainless Steel Upper Assembly with M-LOK Rail
Sale
-30%

AR-15 7.62×39 16" Diamond Stainless Steel Upper Assembly with M-LOK Rail

The AR-15 7.62×39 16" Diamond Stainless Steel Upper Assembly with M-LOK Rail delivers exceptional pe..

$349.95 $499.95
AR-15 7.62×39 16" Spiral Stainless Steel Upper Assembly / M-LOK
Sale
-40%
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AR-15 7.62×39 16" Spiral Stainless Steel Upper Assembly / M-LOK

Moriarti Armaments offers a high-performance AR-15 upper chambered in 7.62x39, built around a 16" sp..

$299.95 $499.95
AR-15 7.62×39 16" Tactical Upper Assembly with 12" Slim Mlok and A2 Flash Hider
Sale
-38%
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AR-15 7.62×39 16" Tactical Upper Assembly with 12" Slim Mlok and A2 Flash Hider

This AR-15 7.62x39 16" Tactical Upper Assembly is engineered for shooters looking to pair the reliab..

$249.95 $399.95
AR-15 9" .22LR Dedicated Upper Assembly | 9" Barrel | 10" M-LOK Rail | Linear Comp | BCG & Charging Handle
Sale
-20%

AR-15 9" .22LR Dedicated Upper Assembly | 9" Barrel | 10" M-LOK Rail | Linear Comp | BCG & Charging Handle

Enhance your AR-15 platform with our precision-engineered 9" .22LR Dedicated Upper Assembly, perfect..

$449.95 $559.95
AR-15 9″ SOCOM Series Parts Kit – Suppressor Clearance Ready, Various Anodized Colors AR-15 9″ SOCOM Series Parts Kit – Suppressor Clearance Ready, Various Anodized Colors
Sale
-17%

AR-15 9″ SOCOM Series Parts Kit – Suppressor Clearance Ready, Various Anodized Colors

The AR-15 9″ SOCOM Series Parts Kit combines a suppressor-clearance-ready M-LOK handguard, lightweig..

$249.95 $299.95
AR-15 AIR-LOK Series Limited Edition Complete Furniture Set | Anodized Shadow Forest Camo | USA Made

AR-15 AIR-LOK Series Limited Edition Complete Furniture Set | Anodized Shadow Forest Camo | USA Made

The AR-15 AIR-LOK Series Limited Edition Complete Furniture Set in Anodized Shadow Forest Camo is th..

$479.95
AR-15 AIRLITE Series Complete Furniture Set | Lightweight, Durable | Anodized in Various Colors AR-15 AIRLITE Series Complete Furniture Set | Lightweight, Durable | Anodized in Various Colors
Sale
-15%

AR-15 AIRLITE Series Complete Furniture Set | Lightweight, Durable | Anodized in Various Colors

The AR-15 AIRLITE Series Complete Furniture Set is engineered for lightweight performance and durabi..

$289.99 $339.95
AR-15 Ambidextrous “Quick Engage” Charging Handle - Choose Color

AR-15 Ambidextrous “Quick Engage” Charging Handle - Choose Color

An ambidextrous AR-15 charging handle with "Quick Engage" activation levers that can be worked from ..

$64.95
AR-15 Anodized Accessory Accent Kit | Available in Blue, Red, FDE – Upgrade Your AR-15 AR-15 Anodized Accessory Accent Kit | Available in Blue, Red, FDE – Upgrade Your AR-15
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AR-15 Anodized Accessory Accent Kit | Available in Blue, Red, FDE – Upgrade Your AR-15

Available in Blue, Red, and FDEElevate your AR-15 with the Red Anodized Accessory Accent Kit. This c..

$249.95
AR-15 Builder Kit w/ 7" M-LOK Handguard, Micro Breach Brace & Complete Lower Parts Kit – Available in Rainbow PVD, TiN, Chrome – Moriarti Arms AR-15 Builder Kit w/ 7" M-LOK Handguard, Micro Breach Brace & Complete Lower Parts Kit – Available in Rainbow PVD, TiN, Chrome – Moriarti Arms
Sale
-16%

AR-15 Builder Kit w/ 7" M-LOK Handguard, Micro Breach Brace & Complete Lower Parts Kit – Available in Rainbow PVD, TiN, Chrome – Moriarti Arms

Available Finishes Rainbow PVD Finish – Vibrant color-shifting premium coating for a custom high-..

$699.95 $829.95
AR-15 Builder Set w/ 12" Diamond M-LOK Handguard – Zombie Camo Cerakote | Moriarti Arms AR-15 Builder Set w/ 12" Diamond M-LOK Handguard – Zombie Camo Cerakote | Moriarti Arms

AR-15 Builder Set w/ 12" Diamond M-LOK Handguard – Zombie Camo Cerakote | Moriarti Arms

Stand out from the pack with the MORIARTI AR-15 Builder Set in Zombie Camo Cerakote, designed for sh..

$599.95
AR-15 Charging Handle With Ambi Latch
Sale
-33%

AR-15 Charging Handle With Ambi Latch

An AR-15 charging handle with an extended ambidextrous latch for left- or right-handed shooters. It ..

$29.95 $44.95
AR-15 Charging Handle With Gen 5 Latch - 24K Gold Plated

AR-15 Charging Handle With Gen 5 Latch - 24K Gold Plated

Upgrade your AR-15 with the AR-15 Charging Handle With Gen 5 Latch - 24K Gold Plated. Built to Mil-S..

$129.95
AR-15 Charging Handle | Flag and Pumpkin
Sale
-50%

AR-15 Charging Handle | Flag and Pumpkin

An engraved AR-15 charging handle with a flag and pumpkin design. It is 7075-T6 aluminum with a Type..

$19.95 $39.95
AR-15 Charging Handle| Jason Happy Camper
Sale
-50%

AR-15 Charging Handle| Jason Happy Camper

An engraved AR-15 charging handle with the "Jason Happy Camper" design. It is 7075-T6 aluminum with ..

$19.95 $39.95
AR-15 Complete 16" .22LR Pencil Upper Receiver | A2 | 12" M-LOK | BCG & Charging Handle
Sale
-28%

AR-15 Complete 16" .22LR Pencil Upper Receiver | A2 | 12" M-LOK | BCG & Charging Handle

Upgrade your AR-15 with this lightweight and high-performance 16" .22LR Pencil Upper Receiver. Built..

$359.95 $499.95
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