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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.458 SOCOM 16" Tanker Upper – Color Series
The Moriarti .458 SOCOM 16" Tanker Upper combines a full-length big-bore AR-15 upper configuration w..
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.458 SOCOM 16" Upper – Diverter Series
The Moriarti .458 SOCOM 16" Diverter Series Upper combines a full-length big-bore barrel configurati..
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16" 7.62×39 Barrett-Style Lightweight AR-15 Upper Assembly – 15" M-LOK Rail
The Moriarti 16" 7.62×39 Barrett-Style AR-15 Upper Assembly combines the versatility of the AR-15 pl..
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3 Pack - M4 Flat Top Upper Receiver - Stripped - Black Anodized
Machined from 7075 T6 forgings, this upper receiver features a mil-std 1913 rail for mounting optics..
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450 Bushmaster 16" AR-15 Heavy Barrel | Black Nitride | 1:24 Twist
Build a powerful big-bore AR with this 16" .450 Bushmaster barrel, engineered for dependable perform..
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6" 5.56 NATO Micro Mini Upper Assembly – 5.5" Hybrid M-LOK, A2 Flash Hider
The Moriarti 6" 5.56 NATO Micro Mini Upper Assembly features a compact AR-15 configuration with a 6-..
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7.5" .300 AAC Blackout AR-15 SBR-Ready Kit – Compression Series
The Moriarti Armaments 7.5" .300 AAC Blackout Compression Series SBR-Ready Kit features a 7.5" barre..
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7.5" 5.56 NATO AR-15 SBR-Ready Kit – Compression Series | Color Choice
The Moriarti Compression Series 7.5" 5.56 NATO SBR-Ready Kit is an AR-15 component package featuring..
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7.5" 5.56 NATO AR-15 Suppressor Ready Upper Assembly – 9" M-LOK, Color Choice
Introducing the Moriarti 7.5" 5.56 NATO Suppressor Ready Upper Assembly, featuring an extended 9-inc..
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7.5" 7.62×39 AR-15 SBR-Ready Kit – Compression Series | Color Choice
The Moriarti Compression Series 7.5" 7.62×39 SBR-Ready Kit is an AR-15 component package featuring a..
ALG Defense Combat Trigger | 6-Pound Pull | Single-Stage | Nickel Boron Plated
The ALG Defense Combat Trigger (ACT) is designed for shooters who prioritize reliability, tradition,..
AR MAGPUL MOE SL CARB STK COMMERCIAL GRAY
Magpul Industries, MOE Slim Line Carbine Stock, Fits AR-15, Com-Spec, Gray FinishManufacturer: ..
AR Shockwave Blade 2.0 Pistol Stabilizer with Adjustable Buffer Tube - Black
With AR-15 pistols becoming extremely popular, many companies have come up with products to make it ..
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AR SILENT BUFFER ASSEMBLY SPRING - SBA Recoil Spring - H2
Looking for a buffer system that offers superior sound mitigation and easy installation for your AR-..
AR-10/AR-15 9" Fake Suppressor | 5/8x24 Thread | Anodized Black | Moriarti Armaments
Upgrade your AR-15 or AR-10 build with the 9" Fake Suppressor from Moriarti Armaments. Constructed f..
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AR-15 .22 ARC 16" Faxon Gunner Upper Assembly w/ 15" M-LOK, CLAW Muzzle Device
The AR-15 .22 ARC 16" Faxon Gunner Upper Assembly brings the high-performance power of the .22-250 c..
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AR-15 .223 Wylde 16" Upper Assembly – 12" Slim M-LOK, 3" Shark Brake
The Moriarti AR-15 .223 Wylde 16" Upper Assembly features a straight-fluted, heavy-profile 4150 Chro..
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AR-15 .223 Wylde 18" Stainless Upper Assembly / 15" M-LOK / BCG & CH
Upgrade your AR-15 with the Moriarti Arms 18" .223 Wylde Stainless Upper Assembly, designed for both..
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AR-15 .223 Wylde 24" CMV Tactical Bull Upper Assembly, Left Handed Side Charger
AR-15 .223 Wylde CMV Tactical Bull Upper Assembly, Left Handed Side Charger. CA and NY complia..
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AR-15 .223 Wylde 24" Tactical Bull Upper Assembly / Right Hand Side Charger W/ BCG
AR-15 .223 Wylde 24" Tactical Bull Upper Assembly, Side Charger. For those who frequently..
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AR-15 .223/5.56 A2 Flash Hider | 1/2x28 Threads | Bird Cage Style | Choose Color
Enhance your AR-15 with the .223/5.56 A2 Flash Hider, designed to provide exceptional flash suppress..
AR-15 .223/5.56 A2 Flash Hider | Stainless Steel | 1/2x28 Threads | Bird Cage Style
Upgrade your AR-15 with the .223/5.56 A2 Flash Hider in Stainless Steel. This bird cage style flash ..
AR-15 .223/5.56 HEXMAG Carbon Fiber 30RD Magazine – Dark Grey | Durable & High-Capacity
The AR-15 .223/5.56 HEXMAG Carbon Fiber 30RD Magazine in Dark Grey is the ideal choice for AR rifle ..
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AR-15 .223/5.56 JE Machine Tech Sidewinder Blast Diffuser - 1/2X28 | Reduce Blast & Dust | Black Nitride
The JE Machine Tech Sidewinder Blast Diffuser for AR-15 in .223/5.56 caliber is a cutting-edge muzzl..