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.
Refine Search
Strike Industries Cookie Cutter Muzzle Brake - AR-15/AR-10 | Recoil & Muzzle Rise Compensator | Choose Thread Size
The Strike Industries Cookie Cutter Muzzle Brake is a game-changer for shooters looking to eliminate..
-9%
Timney AR Calvin Elite 1.5lb Trigger | Adjustable Shoe, Red Finish, Drop-In Design
The Timney AR Calvin Elite Trigger is engineered to elevate the performance of your AR-15 or AR-10 w..
-228x228.webp "We the People Engraved Stripped AR-15 Upper Receiver – 7075-T6 Forged")
-20%
We the People Engraved Stripped AR-15 Upper Receiver – 7075-T6 Forged
Give your AR-15 a distinctive patriotic look with this We the People Engraved Stripped AR-15 Upper R..
-228x228.webp "AR-15 5.56/.223 SIDE CHARGING UPPER RECEIVER WITH BCG - RIGHT HAND")
-57%
AR-15 5.56/.223 SIDE CHARGING UPPER RECEIVER WITH BCG - RIGHT HAND
AR-15 5.56/.223 RIGHT HANDED SIDE CHARGING UPPER RECEIVER WITH BCG - Upgrade your AR with Moriarti A..
AR-15 7" Super Slim Light Free Float Handguard "C" Cut - M-LOK, Black Anodized
The AR-15 7" Super Slim Light Free Float Handguard is a top-tier upgrade for your AR-15 build. Craft..
-29%
Moriarti AR-15 9" M-LOK Free Float Handguard | Customizable, Precision Fit, Durable Black Anodized Finish
The AR-15 M-LOK Free Float Handguard - 9" is the ideal choice for those looking to enhance their AR-..
AR-15 .223 / 5.56 NATO / .300 Blackout Left-Hand Side Charging Bolt Carrier Group - Black Nitride
The AR-15 .223 / 5.56 NATO / .300 Blackout Left-Hand Side Charging Bolt Carrier Group is an ide..
AR-15 10" Air Lite M-LOK Free Floating Handguard with Monolithic Top Rail | Choose Color: Red, Black, Blue, Green, Gold, FDE
The AR-15 10" Air Lite M-LOK Free Floating Handguard with Monolithic Top Rail offers an ultra-lightw..
AR-15 10" Air-Lok Series M-LOK Compression Free Floating Handguard with Monolithic Top Rail | Choose Color: Black, Red, Blue, Green, Purple, Gold
The AR-15 10" Air-Lok Series M-LOK Compression Free Floating Handguard is engineered for those who d..
-30%
AR-15 10" Quadrail Float Handguard with Round Port / Cerakote Finish – Multiple Colors Available
Upgrade your AR-15 with the 10" Quadrail Float Handguard featuring a round port design and Cerakote ..
AR-15 9″ Suppressor Compatible Handguard - 1.74" Dia, Choose Color
The AR-15 9" SOCOM Series Suppressor Compatible Handguard is engineered for shooters running modern ..
Luth-AR A2 Stripped Upper Receiver for AR-15, 223 Remington/556 NATO - Carry Handle
Elevate your AR-15 build with the Luth-AR A2 Stripped Upper Receiver. Crafted from high-quality 7075..
-25%
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..
AR-15 M-LOK Free Float Handguard - 13.5" | Durable Black Anodized, Customizable Rail System
Upgrade your AR15 platform with the 13.5" M-LOK Free Float Handguard. Constructed from 6061-T6 aircr..
AR15 12" Air Lite Series ‘Honeycomb’ M-LOK Free Floating Handguard with Monolithic Top Rail – Choose Your Color
The 12" Air Lite Series ‘Honeycomb’ M-LOK Free Floating Handguard combines strength, durability, and..
AR-15 15" M-LOK Super Slim Light Free Float Handguard with D Cut – Anodized Red, 7075-T6 Aluminum
The 15" M-LOK Super Slim Light Free Float Handguard with D Cut is designed to elevate your AR-15 bui..
-41%
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..
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..
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 ..
-62%
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 ..
-38%
AR-15 Ambidextrous Charging Handle - CERAKOTE RED
Our newest addition to the Charging Handle line is the AR-15 Tactical Charging Handle - Ambidextrous..
-38%
AR-15 Ambidextrous Charging Handle - PUNISHER
Our newest addition to the Charging Handle line is the AR-15 Tactical Charging Handle - Ambidextrous..