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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MORIARTI AR-15 15" M-LOK Slim Profile Free Float Handguard / Diamond Cut - Lightweight, Made in USA
The MORIARTI AR-15 15" M-LOK Slim Profile Free Float Handguard combines premium materials and design..
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Moriarti AR-15 15" Mlok Rail / Free Float / Diamond Cut / FDE Cerakote
The MORIARTI AR-15 15" M-LOK Slim Profile Free Float Handguard combines premium materials and design..
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Moriarti AR-15 300AAC Blackout 16" Carbine-Length 1/8 Phosphate Magpul Moe Defender Rifle Kit
Build your perfect AR-15 300 Blackout with this high-quality 16" Magpul Moe Defender Rifle Kit. Desi..
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Moriarti AR-15 5.56 10.5" Diamond Cut 10" MLOK Upper Assembly / Triport / Black
Upgrade your AR-15 build with the Moriarti Armaments 5.56 NATO 10.5" Diamond Cut M-LOK Upper Assembl..
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Moriarti Armaments AR-15 SUMMER EDITION 16" Airlight Series Rifle Kit w/Matching Upper | Choose Color & Caliber
The Moriarti Armaments SUMMER EDITION 16" Airlight Series Rifle Kit in Green is the ultimate choice ..
AR-15 15" M-LOK Super Slim Light Free Float Handguard - D Cut, Anodized Black, 7075-T6 Aluminum
The AR-15 15" M-LOK Super Slim Light Free Float Handguard is engineered for strength, durability, an..
AR-15 15" SOCOM Series Suppressor Compatible M-LOK Handguard – Anodized Black
The AR-15 15" SOCOM Series Suppressor Compatible Handguard is engineered for shooters running modern..
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AR-15 5.56/.223 13.9" Carbine Upper Assembly w/ 7" Fake Suppressor
Upgrade your AR-15 with the 13.9" Carbine Upper Assembly, featuring a sleek pencil profile barrel an..
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AR-15 6.5 Grendel 16" Carbine Upper Assembly | 15" M-Lok Handguard | Custom Cerakote Gradient Colors | 1:8 Twist | 5/8x24 Thread
Upgrade your AR-15 with the Moriarti Armaments 6.5 Grendel 16" Carbine Upper Assembly, offering powe..
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AR-15 6.5 Grendel Type II 16" Tactical Upper Assembly – M-LOK Handguard, 4150 CMV Barrel, Shark Muzzle
Moriarti Armament's AR-15 16" 6.5 Grendel Type II Tactical Upper Assembly – M-LOK Handguard, 41..
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AR-15 7.62x39 16" Magpul Moe Defender Rifle Kit - Various Colors
AR-15 7.62x39 16" Magpul Moe Defender Rifle Kit - Mil-Spec, Customizable, Made in the USABuild your ..
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AR-15 7.62x39 18" Rifle Build Kit – 15" M-Lok Handguard | Wolff Heavy Spring Enhanced Performance
AR-15 7.62x39 18" Rifle Build Kit – 15" M-Lok Handguard | Wolff Heavy Spring Enhanced PerformanceBui..
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AR-15 6.5 Grendel 18" Stainless Upper Assembly | M-LOK Handguard | Mid-Length Gas System
Take your shooting game to the next level with the AR-15 6.5 Grendel 18" Stainless Steel Upper Assem..
AR-15 16.5" AIR-LOK Series M-LOK Compression Free Floating Handguard With Monolithic Top Rail - Choose Anodized Color - US Made
The AR-15 16.5" AIR-LOK Series M-LOK Compression Free Floating Handguard with a Monolithic Top ..
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AR-15 6.5 Grendel 20" Black Diamond Stainless Upper Assembly | M-LOK Handguard | Triport Muzzle Brake
Elevate your AR-15 with the 6.5 Grendel 20" Black Diamond Stainless Steel Upper Assembly from Moriar..
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AR-15 6.5 Grendel 20" Diamond Fluted Stainless Upper Assembly | M-LOK | Triport
Enhance your AR-15 build with the AR-15 6.5 Grendel 20" Diamond Fluted Stainless Steel Upper Assembl..
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AR-15 6.5 Grendel 20" Spiral Fluted Stainless Steel Upper Assembly | 15" M-LOK Handguard
Upgrade your AR-15 with this custom 6.5 Grendel 20" Spiral Fluted Stainless Steel Upper Assembly, de..
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AR-15 6.5 Grendel 20" Stainless Straight Fluted Competition Upper Assembly | M-LOK Handguard
Take your precision shooting to new heights with the AR-15 6.5 Grendel 20" Stainless Steel Straight ..
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AR-15 6.5 Grendel 22" Heavy Barrel Upper | Rifle Length Gas | M-LOK
Upgrade your AR-15 with this 6.5 Grendel 22" heavy barrel upper assembly, designed for precision sho..
AR MAGPUL MOE SL-K CARBINE STOCK / MIL-SPEC / ODG, Black, FDE
AR MAGPUL MOE SL-K CARBINE STOCK – MIL-SPEC. Available in ODG, Black and FDE. Please choose your col..
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AR-15 5.56 Bolt Assembly – High-Quality Mil-Spec Performance
Upgrade your AR-15 with this durable and reliable 5.56 Bolt Assembly, designed for high-performance ..
AR-15 5.56/.223 Mag Hexmag Series 2 10/30-Round Polymer Magazine
NOTE: This is a 10-Round Magazine in a 30-Round Body.223/5.56 NatoPatented PolyHex2 fiber-reinforced..
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AR-15 6.5 Grendel 24" Competition Upper Assembly | Nitride Barrel | M-LOK | Tanker Muzzle Brake
Transform your AR-15 into a 6.5 Grendel with this 24" competition upper assembly. Designed for high-..
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MAG MFT EXTREME DUTY 5.56 30RD GDSN
Mission First Tactical, EXD, Magazine, 223 Remington/5.56 NATO, Fits AR-15, 30 Rounds, Gadsden Flag..
AR-15 6-Position Butt Stock Assembly - Mil Spec
6-Position AR15/M4 Carbine Stock - Complete Kit - (BLACK) Complete stock kit for AR-15 includes Pol..
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AR-15 Ambidextrous Charging Handle - CERAKOTE RED
Our newest addition to the Charging Handle line is the AR-15 Tactical Charging Handle - Ambidextrous..
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AR-15 Ambidextrous Charging Handle - PUNISHER
Our newest addition to the Charging Handle line is the AR-15 Tactical Charging Handle - Ambidextrous..
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AR-15 Mil Spec Charging Handle Aluminum W/ Steel Latch
Charging handle for AR15 or M16 rifle. Mil Spec. Made in USA.AR-15 Charging HandleMil-SpecT6 6..
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AR-15 Tactical Charging Handle - DON'T TREAD ON ME / USA
Our newest addition to the Charging Handle line is the AR-15 Tactical Charging Handle - DON'T T..
AR MAGPUL ACS-L CARBINE STOCK MIL-SPEC
The Magpul ACS-L (Adaptable Carbine Stock - Light) is a drop-in replacement buttstock for AR carbine..
AR-15/AR-10 .750 Low Profile Gas Block – PVD Coated, Includes Pins and Wrench
Upgrade your AR build with a lightweight, precision-fit gas block. The .750 Low Profile Gas Block is..
AR-15/AR-10 .936 Low Profile Steel Gas Block with Roll Pins & Wrench
PRODUCT SPECIFICATIONSThis is our .936" diameter Low Profile Gas Block designed to accommodate ..
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AR-15 Ejection Port Dust Cover Assembly
Upgrade your AR-15 with this complete ejection port dust cover assembly, designed for .223 caliber r..
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AR-15 Ejection Port Dust Cover Complete Assembly - Don't Tread On Me Engraving
Add a patriotic touch to your AR-15 with this complete ejection port dust cover assembly featuring t..
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AR-15 / AR-10 Engraved Forward Assist Assembly | Various Colors
Add a distinctive finishing touch to your AR platform with this AR-15 / AR-10 Engraved Forward Assis..
AR-15 5.56x45/.223 Magpul PMAG 10 Round Magazine
The PMAG 10 AR/M4 GEN M2 MOE is a 10-round 5.56x45 NATO (.223 Remington) AR15/M4 compatible magazine..
AR-15 Forward Assist Assembly | Mil-Spec | Complete Assembly - US Made
Ensure smooth, reliable operation of your AR-15 with this Mil-Spec Forward Assist Assembly. Designed..
AR-15/AR-10 FORWARD ASSIST ASSEMBLY - Gold Plated
US MadeGold Plated Finish.223 Cal / .308 calMil-SpecIncludes Button, Spring, And PinComplete Forward..
AR-15/AR-10 FORWARD ASSIST ASSEMBLY / RAINBOW PVD COATED
Add a unique, custom touch to your AR-15 with this Rainbow PVD Coated Forward Assist Assembly. Desig..
ASC 10 Round 6MM ARC Magazine | Stainless Steel | Anti-Tilt Follower
The ASC 10 Round 6MM ARC Magazine is precision-engineered to deliver exceptional reliability and per..
CMMG 10-Round Magazine – .22 LR, Polymer, Fits AR-15, Gray
The CMMG 10-Round Magazine is designed specifically for AR-15 rifles using CMMG's 22LR AR conversion..
CMMG 22LR 25-Round Magazine for CMMG Conversion Kit
The CMMG 22LR 25-Round Magazine is designed for CMMG 22LR AR conversions. Made from durable polymer ..
MAG CMMG MK4/AR15 5.7X28MM 32RD
CMMG, Magazine, 5.7X28MM, 32 Rounds, Fits CMMG MK4/AR15, Matte Finish, Black..
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AR-15 A2 BUFFER - FULL SIZE BUFFER
A2 Rifle Length5.1 ozMil -specFull Size BufferMax quantity per order - 5Please note, color may vary ..
AR-15 Heavy Stainless Steel Carbine Buffer 4.3oz - 458 Socom/450BM/50BEU
There are many ways to smooth the operation of a AR-15 Carbine. One of the most cost effective and q..
MAG DURAMAG 10RD 6.8SPC SS MAG BLK
DURAMAG, 0Magazine, 6.8 SPC or 224 Valkyrie, 10 Rounds, Fits AR Rifles, Stainless Steel, Black Anti-..
MAG DURAMAG 10RD 7.62X39 SS BLK
DURAMAG, Magazine, 7.62X39, 10 Rounds, Fits AR Rifles, Stainless Steel, Black Anti-Tilt AGF Follower..
Moriarti AR-15 H2 Carbine Buffer | Heavy Buffer
The Moriarti AR-15 H2 Carbine Buffer is a heavy buffer designed for compatible AR-15 carbine buffer ..
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MORIARTI AR-15/M4 CARBINE BUFFER - 3 OZ
Carbine lengthAR-15 / M4 Standard BufferBlack Finish3 oz weightMil-specMade in U.S.A...
AR-15/AR-10 Multi Degree Short Throw Ambi Safety - Choose Your Color
Upgrade your AR-15 or AR-10 with the Multi Degree Short Throw Ambi Safety. This ambidextrous safety ..