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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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..
-60%
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 ..
-34%
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 ..
AR15 Enhanced Accessory Kit - Choose Color
The AR15 Enhanced Accessory Kit offers everything you need to take your AR-15 build to the next leve..
AR-15 5.56 Cal Extended Takedown Pin Set - Front & Rear - Tin Coated
Upgrade your AR-15 with the 5.56 Cal Extended Takedown Pin Set, designed for fast and easy disassemb..
AR-15 Extended Bolt Catch Release - Ergonomic Contoured Design, Multiple Anodized Colors
Enhance your AR-15’s functionality with the Extended Bolt Catch Release. Designed for improved ergon..
-228x228.webp "AR-15 Extended Ergonomic Bolt Catch - Available in Chrome, Black Chrome, FDE, PVD, Gold Plated")
-228x228.webp "AR-15 Extended Ergonomic Bolt Catch - Available in Chrome, Black Chrome, FDE, PVD, Gold Plated")
AR-15 Extended Ergonomic Bolt Catch - Available in Chrome, Black Chrome, FDE, PVD, Gold Plated
Enhance the functionality and aesthetics of your AR-15 with the Extended Ergonomic Bolt Catch. Made ..
AR-15 Extended Lower Takedown Pin Set - Front & Rear - FDE or Black - G1
The AR-15 Extended Lower Takedown Pin Set is the perfect upgrade for your AR-15 build, offering enha..
AR-15/AR-10 Complete Anti-Rotation Trigger/Hammer Pin Set - Choose Color | US Made
The AR15 Complete Anti-Rotation Trigger/Hammer Pin Set is designed to improve the reliability and pe..
-37%
AR-15/AR-10 Complete Anti-Rotation Trigger/Hammer Pin Set | Anti-Rotation Locking Cam Pins | Anodized Black
Upgrade your AR-15/AR-10 with this Complete Anti-Rotation Trigger/Hammer Pin Set designed to provide..
AR-15 Lower Receiver Spring Replacement Kit – 10-Piece Detents & Springs Set, USA Made
The AR-15 Lower Receiver Spring Replacement Kit from Moriarti Armaments is a must-have for any build..
Timney AR-15 Comp Straight 3lb Trigger | Drop-In Design, Small Pin - Black
The Timney AR-15 Comp Straight 3lb Trigger is designed to deliver superior performance with a solid,..
AR-15 Extended Ergonomic Bolt Catch - Black, Steel Construction
Enhance your AR-15's performance with the Extended Ergonomic Bolt Catch. Crafted from steel, this bo..
Aero Precision AR15 Lower Parts Kit - No Fire Control Group
The Aero AR15 Lower Parts Kit is designed to provide all the critical components necessary to comple..
-70%
AR-15 Aluminum Standard Trigger Guard Assembly - Black
This AR-15 Aluminum Standard Trigger Guard Assembly is the perfect upgrade for your Mil-Spec AR-15 l..
CMMG Lower Receiver Parts Kit 556 - Complete AR-15 Kit
The CMMG Lower Receiver Parts Kit 556 includes all the essential components for building or repairin..