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/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..
CMMG 5.7x28mm 5" Barrel & BCG Kit | Radial Delayed Blowback
The CMMG 5.7x28mm 5" Barrel and BCG Kit provides a compact barrel-and-bolt system for compatible AR-..
DB15, 10.5″, w/ 9″ V3 M-LOK Anti-Rotation S Rail, .338 ARC, Black - Diamondback Firearms
DB1989Y001 SPECIFICATIONSMANUFACTURER: Diamondback FirearmsFAMILY: DB15 SeriesMODEL:&..
DURAMAG 20RD 5.56 ALUM MAG DG/BK
DURAMAG, Magazine, 223 Remington/5.56 NATO/300 Blackout, 20 Rounds, Fits AR-15, Black AGF Follower, ..
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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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..
MAG DURAMAG 20RD 6.5 GRENDL SS BLK
DURAMAG, DuraMag SS, Magazine, 20 Rounds, Fits AR15 Pattern Rifles in 6.5 Grendel/6MM ARC, Blue AGF ..
MAG DURAMAG 20RD 6.8SPC SS BLK
DURAMAG, DuraMag SS, Magazine, 224 Valkyrie/6.8 SPC, 20 Rounds, Fits AR Rifles, Gray AGF Anti-tilt F..
MAG DURAMAG 30RD 5.56 ALUM BRZ
DURAMAG, Magazine, 223 Remington/5.56 NATO, 30 Rounds, Fits AR Rifles, Black Anti-tilt AGF Follower,..
MAG DURAMAG 30RD 5.56 ALUM ODG
DURAMAG, DuraMag Speed, Magazine, 223 Remington/5.56 NATO, 30 Rounds, Fits AR Rifles, Black AGF Anti..
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MAG MFT EXTREME DUTY 5.56 30RD AMFV
Mission First Tactical, Magazine, 223 Remington/5.56 NATO, 30 Rounds, AR-15..
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MAG MFT EXTREME DUTY 5.56 30RD WLVRN
Mission First Tactical, Magazine, 223 Remington/5.56 NATO, 30 Rounds, Fits AR-15..
MAGPUL PMAG MOE 5.56 30RD BLK
Magpul Industries, Magazine, PMAG 30 AR/M4 GEN M2 MOE, 223 Remington/5.56 NATO, 30 Rounds, Fits AR R..
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Micro ARP 300 Blackout 5" Complete Upper Assembly | AR-15 Pistol Upper | Suppressor Ready | Moriarti Armaments
The Moriarti Micro ARP 300 Blackout Upper Assembly is designed for shooters looking for a compact, v..
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Micro ARP AR-15 300 Blackout 5" Hybrid Complete Upper Assembly | Spitfire Flash Can | M-LOK | Moriarti Armaments
Build the ultimate Micro ARP with the Moriarti AR-15 300 Blackout 5" Hybrid Complete Upper Assembly...
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Micro ARP AR-15 300 Blackout 5" Semi-Auto Pistol | Ergo Grip | Micro Buffer | Moriarti Micro Mini Series
Experience the next evolution of the Micro ARP with the Moriarti AR-15 300 Blackout 5" Micro Mini Se..
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Micro ARP AR-15 5.56 NATO 5" Complete Upper Assembly | Gold Spitfire QD Blast | M-LOK | Moriarti Armaments
Stand out with the Moriarti Micro ARP AR-15 5.56 NATO 5" Complete Upper Assembly, featuring an eye-c..
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Micro ARP AR-15 5.56 NATO 5" Complete Upper Assembly | Suppressor Ready | Moriarti Armaments
The MORIARTI ARP-15 5.56 NATO 5" Pistol Upper Assembly is precision-engineered for superior performa..
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Micro ARP AR-15 5.56 NATO 5" Hybrid Complete Upper Assembly | Spitfire QD Blast | M-LOK | Moriarti Armaments
Take your next Micro ARP build to the next level with the Moriarti AR-15 5.56 NATO 5" Hybrid Complet..
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Micro ARP AR-74 7.62x39 5" Complete Upper Assembly | Suppressor Ready | Moriarti Armaments
The MORIARTI ARP-74 7.62x39 5" Micro Pistol Upper Assembly delivers compact power and versatility fo..
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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 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
The Moriarti 14.5" 300 Blackout Upper Assembly delivers the versatility of 300 AAC Blackout in a lon..
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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..
-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..