AR-15 Parts & Components
AR-15 Parts & Components
Shop AR-15 parts and components for replacement, customization and compatible AR-platform configurations. Explore barrels, bolt carrier groups, handguards, lower parts, triggers, charging handles, stocks, buffer components, gas-system parts, muzzle devices and more. Moriarti offers AR-15 components across popular calibers, finishes and configurations, making it easy to browse individual parts or coordinate components for your firearm. Use the categories below to find the specific AR-15 parts you need.
What parts are commonly replaced or upgraded on an AR-15?
Common AR-15 replacement and upgrade parts include handguards, triggers, stocks, grips, charging handles, muzzle devices and controls, while components such as barrels, bolt carrier groups, buffers and gas-system parts are generally selected according to the firearm's specific caliber and configuration.
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AR-47 7.62x39, 7.5" Heavy Barrel, 1:10 Twist, Pistol Length | Parkerized
7.62x39, 7.5" Heavy Barrel, 1:10 Twist, Pistol Length | Parkerized. Comes with barrel extension and ..
-6%
AR-5.56 / 9MM 24K Gold Micro Barrel Shroud & Muzzle Comp | T6 Aluminum | 1/2x28 – Moriarti Arms
Enhance the performance and appearance of your AR platform pistol with this US-made Micro Dual Purpo..
AR-74 MORIARTI 5.45x39 COMPLETE BOLT CARRIER GROUP / NITRIDE
The Moriarti Armaments AR-74 5.45x39 Complete Bolt Carrier Group (BCG) is engineered for reliability..
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AR15/AR10 LE M4 6 POSITION MIL-SPEC STOCK
The L-E stock was designed to conform with design parameters for the standard LE style stock found o..
-38%
Billet AR-15 Upper Receiver – 6061-T6 Slick Side Black
Built for clean, lightweight AR-15 configurations, this Billet AR-15 Upper Receiver is precision-mac..
-10%
Franklin Armory BFSIII AR-ELITE Binary Trigger – Curved & Straight Trigger | 4.5 lb Pull
The Franklin Armory BFSIII AR-ELITE Binary Firing System is a premium AR-platform trigger system fea..
Kaw Valley Precision AR-15/AR-10 Gas Block Dimpling Jig - .750 | 6 Position Adjustable Dimple Tool
The Kaw Valley Precision AR-15/AR-10 Gas Block Dimpling Jig is an essential tool for any builder or ..
Law Tactical AR Folding Stock Adapter Gen S - Black / FDE
The Law Tactical Folding Stock Adapter is designed to be compatible with a wide range of AR-15 and A..
M16 5.56/.223 Nickel Boron Complete Mil Spec Bolt Carrier Group
M16 5.56/.223 Nickel Boron Complete Bolt Carrier Group. Comes completley assembled, properly st..
Moriarti 9mm / 22LR / .40/ 10MM/ 45ACP Slick Side Upper Receiver – No Forward Assist
The Moriarti 9mm / 22LR / .40/10MM/45ACP Slick Side Upper Receiver is a high-quality, forged 7075-T6..
Moriarti AR-15 300 ACC Blackout 7.5" Barrel, 1-7 twist, Med Profile, Nitride
AR-15 300 ACC Blackout 7.5" Barrel, 1-7 twist, Med Profile, Nitride - Nitride treatment fo..
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Moriarti AR-15 300 Blackout 14.5" Barrel - Pistol Length, 4150 CMV, QPQ Corrosion Resistant
Upgrade your AR-15 build with the Moriarti Armaments 300 Blackout 14.5" Barrel designed for precisio..
MORIARTI AR-15 300 BLACKOUT 16" NITRIDE BARREL, 1X7, MED PROFILE
MORIARTI AR-15 300 BLACKOUT 16" NITRIDE BARREL, 1X7, MED PROFILE Chamber: .300BLK Conto..
-228x228.webp "Moriarti AR-15 5.56 NATO 14.5\" Pencil Profile Barrel - Mid-Length Gas System, .625\" Gas Block Journal")
Moriarti AR-15 5.56 NATO 14.5" Pencil Profile Barrel - Mid-Length Gas System, .625" Gas Block Journal
The Moriarti Armaments 5.56 NATO 14.5" Pencil Profile Barrel offers the perfect combination of light..
Moriarti AR-15 6.8 SPC BCG Hybrid Nitride | M16 Cut / .224 Valk / 22 Nosler / 400 Legend
he Moriarti AR-15 M16 Hybrid BCG with nitride finish is designed for shooters demanding maximum stre..
MORIARTI AR-15/AR-10 Triport Compensator | Nitride Finish | 5/8x24 or 1/2x28
The MORIARTI AR-15/AR-10 Triport Compensator is engineered to provide superior muzzle control and re..
Moriarti AR15 M-LOK Free Float Handguard - 5.5" | Anodized Black, Premium Aluminum Design
Enhance your AR15 build with the Moriarti M-LOK Free Float Handguard (5.5") in Anodized Black. Desig..
-20%
One Point Bungee Sling With QD Snap Hook & QD Ambi Sling Adapter
Features:Dual & Single point configurationsMade of high quality nylonIntegrated adjustment loopM..
Q Cherry Bomb MB 5/8X24 7.62MM - AR Muzzle Brake / Fits Q Suppressors
Manufacturer: QModel: Cherry BombCaliber: 7.62MMThread Pitch: 5/8x24Type: Muzzle BrakeSubcategory: S..
Reptilia RECCE Carbine Stock – AR15/AR10 Compatible Lightweight Stock | Black
The Reptilia RECCE Stock is a purpose-built, lightweight, and modular stock solution for AR15- and A..
RISE Armament Flat Super Sporting Trigger | "Don't Tread On Me" Edition | Anti-Walk Pins Included
The RISE Armament Flat Super Sporting Trigger with the exclusive "Don't Tread On Me" logo edition is..
RISE Flat Super Sporting Trigger (Join or Die) | 3.5lb Pull Weight, Flat Trigger, Black
The RISE Flat Super Sporting Trigger (RA-140 SST) is the ultimate upgrade for any AR-15 or AR-10. Wi..
SB TACTICAL AR PISTOL BRACE 4 ADJUSTABLE BLACK SBA3
SB Tactical, SBA3 Stabilizing Brace, 5 Position Adjustable, Includes 6 Position Carbine Receiver Ext..
SB TACTICAL SBA3 Pistol Stabilizing Brace / Buffer Tube / ODG
SB TACTICAL SBA3 Pistol Stabilizing Brace / Buffer Tube / ODGDesigned for all platforms capable of a..