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 PISTOL GRIP WITH HINGED DOOR BOTTOM
A molded polymer AR-15 pistol grip with a hinged door in the bottom. The storage compartment holds s..
AR-15 Ranger Six Position Mil Spec Complete Buttstock Kit
A complete AR-15 Ranger six-position buttstock kit. It includes the stock and the full mil-spec buff..
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AR-15 Rifle Barrett Style Muzzle Brake with Jam Nut, 1/2x28 - Extended
AR-15 Rifle Barrett Style Muzzle Brake with Jam Nut, 1/2x28 - This Extended Length "Tanker" muzzle b..
AR-15 Right Hand Side Charging Complete Bolt Carrier Group - Choose Caliber
AR-15 Right Hand Side Charging Complete Bolt Carrier Group - Choose Caliber. Made by BCA.Comes compl..
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AR-15 SBA3 MOE EPT Pistol Lower Parts Kit | Adjustable Pistol Brace & Milspec Lower Parts Kit
The AR-15 SBA3 MOE EPT Pistol Lower Parts Kit (Black) is a complete kit designed for transforming yo..
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AR-15 Shockwave Pistol Brace with Kak Tube Kit / Various Colors
AR-15 Shockwave Pistol Brace with Kak Tube Kit has everything you need to turn your stripped AR..
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AR-15 Slab Side Billet Upper Receiver | Choose Your Anodized Color
.223 / 5.56 Cal / 300 / 9 /7.62x39 T6 6061 Billet 1913 Picatinny Rail Flat Top Man..
AR-15 Slim Line ‘Trident’ Flash Can | 5.56/.223 Pressure Reducer | 1/2x28 | Choose Color
The AR-15 Slim Line ‘Trident’ Flash Can is the ultimate muzzle device for controlling muzzle flash a..
AR-15 Slip Over Fake Suppressor | Rainbow PVD Coated | 1/2x28 Thread
The AR-15 Slip Over Fake Suppressor is a high-quality muzzle device designed to provide a sleek, tac..
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AR-15 Stripped Raw Forged Upper Receiver - Flat Top, M4 Feed Ramp
Build your dream AR-15 with this Stripped Raw Billet Upper Receiver, designed for shooters who deman..
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AR-15 Tactical "TALON" Style Charging Handle / Oversized Latch
AR-15 Tactical "TALON" Style Charging Handle / Oversized LatchMil-Spec6061-T6 Aircraft AluminumBlack..
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AR-15 Tactical "TALON" Style Charging Handle / Oversized Latch / Pink
AR-15 Tactical "TALON" Style Charging Handle / Oversized Latch / PinkMil-Spec6061-T6 Aircraft Alumin..
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AR-15 TIMNEY DROP IN TRIGGER 3LBS - SKELETON
AR-15 TIMNEY DROP IN TRIGGER 3LBS (SKELETON)Why settle for a sloppy trigger which can cause a good r..
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AR-15 Tribal Dust Cover - Blue with Custom Caliber Engraving
Add a touch of personalization and style to your AR-15 with the Tribal Dust Cover in blue, featuring..
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AR-15 Tribal Dust Cover - Red, Custom Caliber Engraving Options
Give your AR-15 a custom touch with the Tribal Dust Cover in red, designed with caliber engravings t..
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AR-15 UPPER BUNDLE / M16 BOLT CARRIER GROUP & CHARGING HANDLE
This kit contains the two most crucial components that affect the performance of your AR-15. The bol..
AR-15 UPPER RECEIVER ASSEMBLY KIT / RAINBOW PVD COATED / CH-FA-DC
An AR-15 upper receiver assembly kit in rainbow PVD coating: charging handle, forward assist and dus..
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AR-15 Zombie Slayer Muzzle Brake 4" | 1/2x28 Thread Pitch | Choose Color
AR-15 5.56 Extended Length 4" Zombie Slayer Muzzle Brake, 1/2x28. Our unique custom "Zombie Sla..
AR-15 ‘Claw’ Multi-Prong Flash Hider - Rainbow PVD Coated, 1/2x28 Thread, Tactical Design
Enhance the look and performance of your AR-15 with the ‘Claw’ Multi-Prong Flash Hider. Featuring a ..
AR-15/.223/5.56 Compact Muzzle Brake | 1/2"x28 Pitch | Gold TiN Coating | 9-Port Design
Enhance the performance and appearance of your AR-15 with this Compact Muzzle Brake featuring a Gold..
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AR-15/47/9/300 Stripped Upper Receiver - Choose Color
Upgrade your build with this high-quality, stripped upper receiver designed for AR-15, AR-47, 9mm, a..
AR-15/AR-10 .750 ADJUSTABLE LOW PROFILE GAS BLOCK / STEEL
Designed, Manufactured, Tested and Assembled in the U.S.A Gas block is fully adjustable via screw ..
AR-15/AR-10 .750 Four-Rail Gas Block – Picatinny Low Profile | Moriarti
Upgrade your AR-15 or AR-10 platform with a .750 Four-Rail Gas Block, engineered for performance and..
AR-15/AR-10 .750 Low Profile Steel Gas Block with CLAMP / Stainless
AR-15/AR-10 .750 Low Profile Steel Gas Block with CLAMP / StainlessThis AR-15 Low Profile Micro Gas ..