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/AR-10 Micro Slip Over Barrel Shroud with Multi Port Muzzle Brake | Recoil Reduction | Moriarti Armaments
Enhance your AR-15, AR-10, or AR pistol build with the Micro Slip Over Barrel Shroud with Multi Port..
AR-15/AR-10 Muzzle Comp with QD Blast Shield | Reduces Concussion | Moriarti Armaments
Enhance your AR-15 pistol or AR build with the Muzzle Comp with QD Blast Shield from Moriarti Armame..
AR-15/AR-10 Muzzle Comp with QD Blast Shield | Tin Coated Gold | Reduces Concussion | Moriarti Armaments
Enhance your AR-15 or AR-10 with the Muzzle Comp with QD Blast Shield from Moriarti Armaments. Featu..
AR-15/AR-10/AR-9 HEX Compensator | Muzzle Rise & Recoil Reduction | Choose TPI
Upgrade your shooting performance with the AR-15/AR-10/AR-9 HEX Compensator—designed to reduce muzzl..
AR-15/AR-10/AR-9 Micro Mini Slip Over Barrel Shroud with Multi Port Muzzle Brake | Reduce Recoil | Moriarti Armaments
The AR-15/AR-10/AR-9 Micro Mini Slip Over Barrel Shroud from Moriarti Armaments is designed to enhan..
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AR-15/AR10 AIRLITE SKELETON STEEL LOW PROFILE GAS BLOCK - CHOOSE COLOR
AR-15/AR10 AIRLITE SERIES SKELETON STEEL LOW PROFILE GAS BLOCK - US MADE, choose your color - black,..
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AR-47 7.62x39 5" Cookie Cutter Upper Assembly / Mlok
Upgrade your rifle with the AR-47 7.62x39 5" Cookie Cutter Upper Assembly, featuring a Micro Length ..
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AR-47 7.62x39 5" Moriarti Micro Mini Series Semi-Auto Pistol | Color Option - Blue, FDE, ODG, Grey
The most popular pistol, Moriarti 5" Micro Mini Series Semi-Auto Pistol, is now available in co..
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AR-74 7.62x39 5" Micro Pistol Upper Assembly / Suppressor Ready – Moriarti Arms
The MORIARTI AR-74 7.62x39 5" Micro Pistol Upper Assembly delivers compact power and versatility for..
DB15, 10.5″, w/ 9″ V3 M-LOK Anti-Rotation S Rail, .338 ARC, Black - Diamondback Firearms
DB1989Y001 SPECIFICATIONSMANUFACTURER: Diamondback FirearmsFAMILY: DB15 SeriesMODEL:&..
DURAMAG 20-Round Magazine – 223 Remington/5.56 NATO/300 Blackout, Desert Gold, Aluminum Body
The DURAMAG 20-Round Magazine is designed for AR-15 rifles chambered in 223 Remington, 5.56 NATO, a..
DURAMAG 30-Round Magazine – 223 Remington/5.56 NATO, Aluminum, OD Green, AR-15
The DURAMAG 30-Round Magazine is designed for AR-15 rifles chambered in 223 Remington and 5.56 NATO...
DURAMAG 30-Round Magazine – 223 Remington/5.56 NATO, Aluminum, Pink, AR-15
The DURAMAG 30-Round Magazine is designed for AR-15 rifles chambered in 223 Remington and 5.56 NATO...
DURAMAG AR-15 20-Round Magazine – 223 Remington/5.56 NATO, Aluminum Bronze, Anti-Tilt Follower
The DURAMAG 20-Round Magazine for AR-15 rifles, chambered in 223 Remington and 5.56 NATO, is engine..
DURAMAG AR-15 30-Round Magazine - 223 Remington/5.56 NATO, Aluminum, Black Anti-Tilt AGF Follower
The DURAMAG 30-Round Magazine is built for AR rifles chambered in 223 Remington and 5.56 NATO. Cons..
DURAMAG SS 20-Round Magazine – 224 Valkyrie/6.8 SPC, Stainless Steel, Gray AGF Follower, Black
The DURAMAG SS 20-Round Magazine is designed for AR-15 rifles chambered in 224 Valkyrie and 6.8 SPC..
DURAMAG SS 6.5 Grendel AR-15 20-Round Magazine – Stainless Steel, Blue AGF Follower, Black
The DURAMAG SS 6.5 Grendel Magazine is designed for AR-15 rifles and features stainless steel constr..
HEXMAG Series 2 AR-15 30-Round Magazine – 223 Remington/5.56 NATO, Black
The HEXMAG Series 2 30-round magazine is designed for AR-15 rifles chambered in 223 Remington and 5...
KCI AR-15 100 Round Drum Magazine - 5.56 Caliber, High Capacity Magazine
The KCI AR-15 100 Round Drum Magazine is designed to deliver unmatched firepower and reliable perfor..
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KCI USA 50-Round Drum Magazine for AR-15 – 223 Remington/5.56 NATO, Black
The KCI USA 50-Round Drum Magazine for AR-15 rifles, chambered in 223 Remington or 5.56 NATO, delive..
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MA-15 Complete Pistol Lower Receiver / HBPDW Pistol Brace, Black
At Moriarti Armaments, we design and manufacture high-quality, precision-engineered firearms and com..
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MA-15 Moriarti Arms 5.56 NATO 5" Brindle M-LOK Pistol – SBA3 Brace, Sidewinder Diffuser, and Cerakote Finish
Introducing the MA-15 Moriarti Arms 5.56 NATO 5" Brindle M-LOK Pistol, designed for performance, ver..
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Micro 300 Blackout Upper – 5" AR-15 Pistol Assembly Suppressor Ready | Moriarti Armaments
The Moriarti Micro 300 Blackout Upper Assembly is designed for shooters looking for a compact, versa..
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Mission First Tactical Extreme Duty AR-15 30-Round Magazine – 5.56 NATO/223 Remington/300 BLK
The Mission First Tactical Extreme Duty AR-15 30-Round Magazine is engineered for superior reliabili..
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Mission First Tactical Extreme Duty AR15 Magazine 5.56/.223 Wolverines - 30 RD
Mission First Tactical, Magazine, 223 Remington, 556NATO, 30Rd, AR-15SpecificationsUPC810099430523Ma..
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Moriarti AR-15 .338 ARC 10.5" Upper Assembly | M-LOK | A2 Flash Hider
Experience the superior performance of the Moriarti AR-15 .338 ARC 10.5" Upper Assembly, built for p..
-228x228.webp "Moriarti AR-15 10.5\" 5.56 NATO Pistol Upper Assembly – OD Green Mlok, A2 Flash Hider")
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Moriarti AR-15 10.5" 5.56 NATO Pistol Upper Assembly – OD Green Mlok, A2 Flash Hider
Elevate your AR-15 pistol build with the Moriarti AR-15 5.56 NATO 10.5" Pistol Upper Assembly featur..
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Moriarti AR-15 16" Complete Upper Assembly with Left Hand Side Charger - Choose Caliber
This AR-15 16” Tactical Upper Assembly is designed for left-handed shooters or anyone seeking a stre..
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Moriarti AR-15 300 Blackout 10.5" Diamond Cut 10" Mlok Upper Assembly / Burnt Bronze
Elevate your AR-15 with the Moriarti Armaments 300 Blackout 10.5" Diamond Cut Upper Assembly, design..
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Moriarti AR-15 300 Blackout 10.5" Diamond Cut Upper Assembly / Triport / Mlok / Black
Moriarti AR-15 300 Blackout 10.5" Diamond Cut Upper Assembly / Triport / Mlok / BlackManufacturer:Mo..
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Moriarti AR-15 300 Blackout 14.5" Slim M-LOK Upper Assembly - 12" Free-Float Handguard / Thread Protector / 1X7 Twist
Elevate your AR-15 build with the Moriarti Armaments 300 Blackout 14.5" Slim M-LOK Upper Assembly, d..
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Moriarti AR-15 4" M-LOK Slim Profile Free Float Handguard - Diamond Cut, Black Anodized
The Moriarti AR-15 4" M-LOK Slim Profile Free Float Handguard offers a sleek and lightweight design ..
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MORIARTI AR-15 5.56 NATO 16" M4 CARBINE UPPER ASSEMBLY / 15" MLOK / TRI
MORIARTI AR-15 5.56 NATO 16 M4 Carbine Upper Assembly with a 15 MLOK rail and triport muzzle brake i..
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MORIARTI AR-15 5.56 NATO 5" Micro Pistol Upper Assembly / Suppressor Ready
The MORIARTI AR-15 5.56 NATO 5" Pistol Upper Assembly is precision-engineered for superior performan..
-228x228.webp "Moriarti AR-15 5.56/.223 10.5\" M-LOK Upper Assembly – Red Shroud, Red Accents, Red Charging Handle")
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Moriarti AR-15 5.56/.223 10.5" M-LOK Upper Assembly – Red Shroud, Red Accents, Red Charging Handle
Elevate your AR build with the AR-15 5.56/.223 10.5" M-LOK Upper Assembly featuring striking red acc..
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Moriarti AR-15 5.56/.223 14.5" Tactical Build Kit – Quadrail, LE Stock, Mid-Length
Unlock your full potential with the AR-15 5.56/.223 14.5" Tactical Build Kit. This premium kit provi..
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MORIARTI AR-15 5.56/.223 16" M4 BARRETT STYLE UPPER ASSEMBLY / FDE
AR-15 5.56/.223 16" M4 Barrett Style Upper Assembly | FDE | CA & NY CompliantUpgrade your AR-15 ..
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Moriarti AR-15 5.56/.223 16" M4 Magpul MOE Rifle Kit – Complete Mil-Spec Build (FDE/Black/ODG, No Lower)
Complete your AR-15 build with the AR-15 5.56/.223 16" M4 Magpul MOE Defender Rifle Kit, available i..
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Moriarti AR-15 5.56/.223 16" Stainless Checkered Upper Assembly
The AR-15 5.56/.223 16 Stainless Checkered Upper Assembly - designed by Moriarti Armaments is a..
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Moriarti AR-15 5.56/.223 16" Tactical Rifle Kit – M4 Classic w/ Quadrail, 1:7 Twist
The AR-15 5.56/.223 16" M4 Classic Tactical Rifle Build Kit is the perfect solution for enthusiasts ..
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Moriarti AR-15 5.56/.223 16" ‘Black Canon’ Upper Assembly – 7" Faux Can, M-LOK Rail
Unleash unparalleled performance with the AR-15 5.56/.223 16" M4 "BLACK CANON" Upper Assembly from M..
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Moriarti AR-15 6.8 SPC II 10.5" Complete Upper Assembly | M-LOK | A2 Flash Hider | Suppressor Ready
Upgrade your AR-15 with the Moriarti Armaments 6.8 SPC II 10.5" Complete Upper Assembly, engineered ..
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MORIARTI AR-15 COMPLETE PISTOL LOWER / SB TACTICAL PDW PISTOL BRACE - BLACK
The MORIARTI AR-15 COMPLETE PISTOL LOWER / SB TACTICAL PDW PISTOL BRACE in Black is the perfect solu..
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MORIARTI AR-47 7.62X39 16" RED "PINEAPPLE" UPPER ASSEMBLY
Key Features:Action: Semi-AutoGas System: Carbine-Length Gas SystemChamber: 7.62x39Twist Rate: 1/10 ..
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Moriarti AR-47 7.62x39 5" Moriarti Minimalist Series Semi Auto Pistol | Ergo | Micro Buffer
The AR-47 Minimalist Series Pistol by Moriarti Arms delivers a compact, rugged, and powerful platfor..
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Moriarti Armaments AR-15 300 Blackout 5" Cookie Cutter Upper Assembly
Elevate your shooting experience with the Moriarti Armaments 300 Blackout 5" Cookie Cutter Upper Ass..
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Moriarti Armaments AR-15 Stripped Upper Receiver – Forged, Black Anodized
The Moriarti Armaments AR-15 Stripped Upper Receiver is the perfect foundation for your next AR-15 b..
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Moriarti Armaments Assembled M4 Upper Receiver with Port Door and Forward Assist
Upgrade your AR-15 with the Moriarti Armaments Assembled M4 Upper Receiver. Designed for superior pe..
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Moriarti Armaments MA15 Mil-Spec Complete Lower Receiver – Semi-Automatic, Multi-Caliber, Pistol Build, Black Finish
Moriarti Armaments MA15 Mil-Spec Complete Lower Receiver – The ultimate foundation for your AR-15 bu..
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Moriarti Arms Stripped AR-15 Lower Receiver - Forged, Anodized, Mil-Spec, Multi Caliber
The Moriarti Arms Stripped AR-15 Lower Receiver is a high-quality, mil-spec forged lower that delive..