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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MA-15 10.5" .300 Blackout Custom Series Semi-Auto Pistol – Burnt Bronze | SBA3
The Moriarti Armaments MA-15 Custom Series is a semi-automatic AR-15-pattern pistol chambered in .30..
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Moriarti 7.62×39 AR-47 10.5" Custom Series Pistol – Burnt Bronze, Shroud & SBA3 Brace
The Moriarti MA-47 Custom Series is a semi-automatic AR-platform pistol chambered in 7.62×39mm. This..
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MORIARTI AR-15 10" M-LOK Slim Profile Free Float Handguard / Diamond Cut - Full Length Picatinny Rail, Black
Upgrade your AR-15 with the MORIARTI 10" M-LOK Slim Profile Free Float Handguard featuring a sleek d..
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Moriarti AR-15 400 Legend 16" Tactical Upper – 4150 CMV Nitride, M-LOK Rail, Barrel Shroud
Upgrade your AR-15 with the Moriarti 400 Legend 16" Tactical Upper Assembly, engineered for power, p..
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Moriarti AR-47 7.62x39 10.5" Upper Assembly – Nitro-Met, Quadrail, Socom Muzzle Brake
Enhance your AR-15 build with the 7.62x39 10.5" Nitro-Met Quad Upper Assembly, designed for shooters..
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Moriarti Arms MA-15 6.5 Grendel 22" Semi-Auto Rifle | Magpul PRS Stock, M-Lok Handguard
The Moriarti Arms MA-15 6.5 Grendel 22" Semi-Auto Rifle is designed for precision shooting and hunti..
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Moriarti MA-15 10.5″ 5.56 NATO Custom Series AR-15 Pistol – Burnt Bronze | SBA3
The Moriarti MA-15 Custom Series is a semi-automatic AR-15 pistol chambered in 5.56 NATO, featuring ..
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Moriarti MA-15 10.5″ AR-15 Pistol with SBPDW Brace – 5.56 NATO / .300 Blackout / 7.62×39
The Moriarti MA-15 10.5″ AR-15 Pistol features an all-black configuration with the SB Tactical SBPDW..
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Moriarti MA-15 Accent Series 10.5″ 5.56 NATO Pistol – SBA5
The Moriarti MA-15 Accent Series 10.5″ is a semi-automatic AR-15 pistol chambered in 5.56 NATO, feat..
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Moriarti MA-15 GunCandy Series 10.5" .300 Blackout Pistol – SBA5
The Moriarti MA-15 GunCandy Series is a semi-automatic AR-15-pattern pistol chambered in .300 AAC Bl..
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Moriarti MA-15 Lightweight Series 10.5″ 5.56 NATO AR-15 Pistol – SBA3 | Black
The Moriarti MA-15 Lightweight Series 10.5″ AR-15 Pistol combines a streamlined, slim-profile design..
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10.5" 5.56 NATO AR-15 Cerakote Upper Assembly – Slim M-LOK
The Moriarti 10.5" 5.56 NATO Cerakote Upper Assembly features a coordinated custom-color finish, a 1..
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10.5" 5.56 NATO AR-15 Classic Upper – 10" M-LOK, A2 Flash Hider
The Moriarti 10.5" 5.56 NATO Classic AR-15 Upper Assembly combines a proven configuration with durab..
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10.5" 5.56 NATO AR-15 Upper Assembly – Diamond M-LOK | Octagonal Faux Suppressor
The Moriarti 10.5" 5.56 NATO AR-15 Upper Assembly features a 10" Diamond M-LOK handguard and a black..
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10.5" 5.56 NATO AR-15 Upper Assembly – OD Green M-LOK | Reverse Shroud
The Moriarti 10.5" 5.56 NATO AR-15 Upper Assembly features a OD Green free-float M-LOK handguard wit..
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10.5" 5.56 NATO AR-15 Upper Assembly – Rocket Man Muzzle Brake, 10" M-LOK
The Moriarti Rocket Man is a 10.5" 5.56 NATO AR-15 upper assembly featuring a distinctive Rocket Man..
AR-15 12" Air LITE Skeletonized Series M-LOK Free Floating Handguard with Monolithic Top Rail – Choose Color
The AR-15 12" Air LITE Skeletonized Series M-LOK Free Floating Handguard delivers premium performanc..
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AR-15 12" Quadrail Float Handguard with Round Port / Cerakote Finish – Multiple Colors Available
Enhance your AR-15 with the 12" Quadrail Float Handguard featuring a round port design and Cerakote ..
AR-15 12" SOCOM Suppressor Compatible M-LOK Handguard - 1.74" Dia, Choose Color
The AR-15 12" SOCOM Series Suppressor Compatible Handguard is engineered for shooters running modern..
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AR-15 300 AAC blackout 10.5" nitride classic mlok upper assembly / A2
AR-15 300 AAC blackout 10.5" classic mlok upper assembly is a perfect addition to your AR pistol. No..
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AR-15 300 AAC Blackout 10.5" Pistol Upper Assembly | Flash Cone
AR-15 300 AAC Blackout 10.5" Pistol Upper Assembly | Flash Cone | Precision PerformanceUpgrade your ..
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AR-15 300 Blackout 16" BLACKHAWK Rifle Kit – M-LOK | Cerakote Color Choice
Build a distinctive 300 Blackout AR-15 rifle with the Moriarti 16" BLACKHAWK Rifle Kit. This configu..
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AR-15 300 BLK 10.5" Walking Dead pistol upper assembly / Mlok
AR-15 300 BLK 10.5" Walking Dead Pistol Upper Assembly | MLOK | Custom CompensatorIncludes:Premium B..
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AR-15 5.56 NATO 10.5" PISTOL KIT /SLICK SIDE / 10" QUADRAIL - COLOR OPTION
AR-15 5.56 NATO 10.5" PISTOL KIT /10" QUADRAIL HANDGUARD - COLOR OPTION AVAILABLE ON TOP OF PAGE,&nb..