AR-15 Rifles, Kits & Gun Accessories
Explore the collection of AR-15 rifles, parts, uppers, and more at Moriarti Armaments. Discover top brands and expertly crafted components like barrels, triggers and rails, for customizing and building your next AR-15. Upgrade your 5.56, 300 Blackout, 6.5 Grendel, 350 Legend, 458 SOCOM, and other calibers. Unbeatable prices and quality!
Refine Search
-20%
AR-15 .224 Valkyrie 20″ nitride upper assembly / Mlok
The Moriarti Armaments AR-15 .224 Valkyrie 20″ nitride upper assembly / Mlok comes complet..
-42%
AR-15 .224 Valkyrie 20″ Spiral Stainless Steel Upper Assembly / Mlok
The Moriarti Armaments AR-15 .224 Valkyrie 20″ spiral fluted stainless steel upper assembl..
-50%
AR-15 .224 Valkyrie 20″ stainless steel upper assembly / 15" Mlok
The Moriarti Armaments AR-15 .224 Valkyrie 20″ stainless steel upper assembly comes complete wi..
-38%
AR-15 .300 Blackout 7.5" Complete Ultralight Series Pistol Kit – M-LOK – Choose Your Color
Build your ultimate AR-15 pistol with the 7.5" Complete Ultralight Series Pistol Kit! This custom ki..
-30%
AR-15 .300 BLK 16" PISTOL LENGTH UPPER ASSEMBLY / 1:7 / 12" MLOK / TRIPORT
With a 16 inch nitride barrel chambered in 300 blackout, this AR15 upper receiver assembly is readil..
-36%
AR-15 .300 BLK 16" PISTOL UPPER ASSEMBLY /15" MLOK / CERAKOTE & CHOOSE
AR-15 .300 BLK 16" PISTOL LENGTH 1:8 TWIST / 15" MLOK / CERAKOTE & CHOOSE COLOR ON TOP OF PAGE. ..
-30%
AR-15 .350 Legend 16" Carbine Upper Assembly | 15" M-Lok Handguard | Custom Cerakote Gradient Colors | 1:16 Twist | 5/8x24 Thread
Transform your AR-15 with the Moriarti Armaments .350 Legend 16" Carbine Upper Assembly, now availab..
-33%
AR-15 .350 Legend 16" M-Lok Upper Assembly | 10" Quad Rail | Custom Cerakote Color Options | 1:16 Twist | 5/8x24 Thread
Transform your AR-15 with the Moriarti Armaments .350 Legend 16" M-Lok Upper Assembly, designed to d..
-33%
AR-15 .350 Legend 16" Stainless Black Claw Premium Upper Assembly / M-Lok
Elevate your AR-15 platform with the .350 Legend 16" Stainless Black Claw Premium Upper Assembly, de..
-25%
AR-15 .350 Legend 16" Stainless Steel Fluted Upper Assembly | Mlok Handguard | Carbine-Length Gas System
Take your AR-15 to the next level with the Moriarti Armaments .350 Legend 16" Stainless Steel Fluted..
-40%
AR-15 .350 Legend 16" Tactical Upper Assembly | 12" M-Lok Rail | Custom Upper | Enhanced Performance
AR-15 .350 Legend 16" Tactical Upper Assembly | 12" M-Lok Rail | Custom Upper | Enhanced Performance..
-29%
AR-15 .450 Bushmaster 10.5" Pistol Build Kit | SBA3, No Lower | Moriarti Armaments
Unleash the power of the .450 Bushmaster in an AR-15 pistol configuration with the 10.5" AR-15 .450 ..
-40%
AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly - Magnum Linear Comp, MLOK Rail
The AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly is a custom-made, high-performance upper desig..
-38%
AR-15 .450 Bushmaster 16" Stainless Upper Assembly / Afterburner / Mlok
The AR-15 .450 Bushmaster 16" Stainless Upper Assembly / Afterburner / Mlok is the perfect upgrade f..
-36%
AR-15 .450 Bushmaster 16" Steel Black Nitride Upper Assembly, Tanker Muzzle Brake, M-LOK Handguard
The AR-15 .450 Bushmaster 16" Steel Black Nitride Upper Assembly is a powerful and durable upgrade f..
-37%
AR-15 .458 SOCOM / .450 BUSHMASTER BOLT CARRIER GROUP / NITRIDE
MPI inspected8620 STEEL CARRIER9301 STEEL HEADAUTO CARRIERMELONITE FINISHCOMES COMPLETELY ASSEMBLED ..
-36%
AR-15 .458 SOCOM 10.5" Upper Assembly / 10" MLOK / Tanker
The AR-15 .458 SOCOM 10.5" Upper Assembly offers big-bore power in a compact and efficient design, p..
-40%
AR-15 .458 SOCOM 16" Black Upper Assembly | MLOK Rail | Custom Heavy Brake
The AR-15 .458 SOCOM 16" Black Upper Assembly is designed for big-bore enthusiasts who seek unparall..
-40%
AR-15 .458 SOCOM 16" Black Upper Assembly | MLOK Rail | FDE
The AR-15 .458 SOCOM 16" Black Upper Assembly offers powerful performance with a sleek design, perfe..
-29%
AR-15 .458 SOCOM 16" Faxon Gunner Upper Build / 15" MLOK Rail / Magnum Compensator | Big Bore Performance
The AR-15 .458 SOCOM 16" Faxon Gunner Upper Build delivers exceptional big-bore power with a reliabl..
-32%
AR-15 .458 Socom 16" slim profile rifle kit / Alpha Stock / 12" Mlok
The AR-15 .458 SOCOM 16" Slim Profile Rifle Kit is designed for those seeking to build a powerful .4..
-228x228.jpg "AR-15 .458 SOCOM 16\" Upper Build / 15\" Slim MLOK Rail / Tanker Muzzle Brake | Big Bore Performance")
-34%
AR-15 .458 SOCOM 16" Upper Build / 15" Slim MLOK Rail / Tanker Muzzle Brake | Big Bore Performance
The AR-15 .458 SOCOM 16" Upper Build delivers powerful big-bore performance in a sleek, tactical pac..
-33%
AR-15 .458 Socom 18" 4150 CMV Upper Assembly / 15" Mlok
AR-15 .458 Socom 18" 4150 CMV Upper Assembly / 15" Mlok . This upper assembly is com..
AR-15 .458 SOCOM Flat Top Upper Receiver, Stripped
Upgrade your AR-15 build with the .458 SOCOM Flat Top Upper Receiver. Designed for large-bore calibe..
AR-15 .458 SOCOM TANKER STYLE STEEL MULTI-PORT COMPENSATOR – 5/8x32
AR-15 .458 SOCOM TANKER STYLE STEEL MULTI-PORT COMPENSATOR – 5/8x32Maximize control, minimize recoil..
-34%
AR-15 .50 Beowulf 10.5" Upper Build | 10" Slim Rail | Custom Muzzle Brake
The AR-15 .50 Beowulf 10.5" Upper Build is a powerful and versatile addition to your AR-15 platform,..
-40%
AR-15 .50 Beowulf 10.5" Upper Build | 10" Slim Rail | Linear Compensator
The AR-15 .50 Beowulf 10.5" Upper Build is designed for those looking to build a powerful .50 Beowul..
-36%
AR-15 .50 Beowulf 12.7x42 Cal 18" Parkerized Rifle Kit / 15" MLOK / Adaptive Stock / No Lower
Unleash the power of the .50 Beowulf with the 18" Parkerized Rifle Kit from Moriarti Armaments. This..
-40%
AR-15 .50 Beowulf 16" Black Upper Assembly | MLOK Rail | FDE
The AR-15 .50 Beowulf 16" Upper Assembly offers the power and performance of the 12.7x42 (50 Beowulf..
-40%
AR-15 .50 Beowulf 16" Upper Build W/ 15" Slim Mlok Rail and Custom Brake
This AR-15 .50 Beowulf 16" Upper Build is designed for those who demand high power and precision. Ch..
AR-15 .50 Beowulf Multiport Compensator | 49/64x20 Thread | Black Nitride Finish | Reduce Recoil
Optimize your AR-15 build with the .50 Beowulf Multiport Compensator. This advanced Gen 2 design fea..
AR-15 .750 FOUR RAIL GAS BLOCK / PICATINNY
AR15 223 5.566061-T6 High Quality Aluminum Low Profile Gas Block Come With Roll PinFits 0.75" Regula..
AR-15 / AR-10 TANKER STYLE Steel Multi-Port Compensator | Reduce Muzzle Climb & Recoil
Upgrade your AR-15 or AR-10 with the Tanker Style Steel Multi-Port Compensator from Moriarti Armamen..
AR-15 / AR-10 Walking Dead Compensator, 5/8x24 TPI, Nitride
Walking Dead Compensator:The Walking Dead Compensator is designed to offer superior recoil managemen..
AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACE
AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACEFEATURESCaliber 5.56/300BLKLightweight..
-25%
AR-15 1/2X28 7" Thread-On Fake Suppressor | T6 Aluminum | Anodized Black | Moriarti Arms
Enhance the look of your AR-15 with this 1/2X28 7" Thread-On Fake Suppressor from Moriarti Arms. Mad..
AR-15 12.7x42 18" Parkerized Heavy Barrel | 1:20 Twist | Mid-Length Gas System
Experience top-tier precision and durability with the AR-15 12.7x42 18" barrel. Made from 4150 Chrom..
AR-15 12.7x42 50B 16" Parkerized Heavy Barrel, 1:20 Twist, Carbine
Elevate your AR-15 build with the 12.7x42 16" heavy barrel, designed for precision, durability, and ..
-20%
AR-15 12.7x42 7.5" Pistol Upper Assembly / Mlok Free Float
AR-15 12.7x42 7.5" Pistol Upper Assembly / Mlok Free Float - This assembly includes 7" heavy pr..
AR-15 12″ 6MM ARC Faxon Gunner Upper Assembly / Mlok
The Moriarti Armaments AR-15 12″ 6MM ARC Match Grade Gunner Upper Assembly / Mlok co..
-28%
AR-15 16" 300 AAC BLACKOUT BARRETT STYLE 15" LIGHTWEIGHT UPPER / FDE
AR-15 16" 300AAC BLK BARRETT STYLE 15" LIGHTWEIGHT FDE UPPER. WE NOW MAKE THIS ITEM WITH MLOK ..
-25%
AR-15 16" 300 AAC Blackout Pistol Length 1/8 Nitride Upper | 15" Lightweight Mlok
300 AAC Blackout uppers utilize a standard .223/5.56 bolt carrier group and magazines, eliminating t..
-800x800-228x228.JPG "AR-15 16\" 5.56/.223 BARRETT STYLE LIGHTWEIGHT UPPER ASSEMBLY / 15\" MLOK")
-30%
AR-15 16" 5.56/.223 BARRETT STYLE LIGHTWEIGHT UPPER ASSEMBLY / 15" MLOK
Features:Barrel Material: 4150V Chrome Moly Vanadium, nitride-coated for superior accuracy and durab..
-30%
AR-15 16" 5.56/.223 Barrett Style Lightweight Upper Assembly, 15" M-Lok, Red Anodized Finish
The AR-15 16" 5.56/.223 Barrett Style Lightweight Upper Assembly features a premium nitride-coated 4..
-30%
AR-15 16" 5.56/.223 Blue Diamond Modular Bull Upper Assembly | 10" Mlok
Features:Barrel: 16" 416 stainless steel bull contour barrel with diamond fluting, blue coated with ..
-25%
AR-15 16" 7.62x39 Barrett Style Upper Assembly | Lightweight FDE | MA 15" Airlight Series Rail
AR-15 16" 7.62x39 Barrett Style Upper Assembly | Lightweight FDE | MA 15" Airlight Series Rail | M4 ..
-800x800-228x228.JPG "AR-15 16\" 7.62x39 Barrett Style Upper | 15\" Lightweight Mlok")
-25%
AR-15 16" 7.62x39 Barrett Style Upper | 15" Lightweight Mlok
Features:Barrel Material: 16" 4150V Chrome Moly Vanadium, nitride-coated for durability and precisio..
-34%
AR-15 18" 6mm ARC Rifle Kit - Black | Mil-Spec, USA-Made | Moriarti Armaments
Elevate your rifle-building experience with the 18" 6mm ARC Rifle Kit from Moriarti Armaments. Desig..
-80%
AR-15 2-Piece Quad Rail Barrel Nut / Steel - Replacement for Standard AR-15 & M16 Handguards
The AR-15 2-Piece Quad Rail Barrel Nut is an essential replacement part for your 2-piece handguard s..
-45%
AR-15 20″ 6MM ARC Hexagon Fluted Stainless Steel Upper Assembly / Mlok
The Moriarti Armaments AR-15 20″ 6MM ARC Hexagon Fluted Stainless Steel Upper Assembly / M..