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-15 Upper Kit Set/Charging Handle, Forward Assist/Ejection Door/We The People
AR-15 Upper Parts Kit wit custom engraving (Mil-Spec) comes with components necessary for the AR-15 ..
AR-15/AR-10 .308/45/5.56/.223 CAL 3” Fake Suppressor | Choose Color and TPI
Give your rifle a sleek, tactical look with the AR-15/AR-10 3.0” Fake Suppressor. Designed for .308,..
AR-15/AR-10 4.5″ Octagonal Fake Suppressor | Barrel Extension | Choose Color & TPI
Add style and functionality to your AR-15 or AR-10 with the 4.5″ Octagonal Fake Suppressor. Crafted ..
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AR-15/AR10 AIRLITE SKELETON STEEL LOW PROFILE GAS BLOCK - CHOOSE COLOR
AR-15/AR10 AIRLITE SERIES SKELETON STEEL LOW PROFILE GAS BLOCK - US MADE, choose your color - black,..
MAG DURAMAG 20RD 6.8SPC SS BLK
DURAMAG, DuraMag SS, Magazine, 224 Valkyrie/6.8 SPC, 20 Rounds, Fits AR Rifles, Gray AGF Anti-tilt F..
MAG DURAMAG 30RD 5.56 ALUM BRZ
DURAMAG, Magazine, 223 Remington/5.56 NATO, 30 Rounds, Fits AR Rifles, Black Anti-tilt AGF Follower,..
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Moriarti Armaments AR-15 Stripped Upper Receiver – Forged, Black Anodized
The Moriarti Armaments AR-15 Stripped Upper Receiver is the perfect foundation for your next AR-15 b..
-38%
Moriarti Armaments Assembled M4 Upper Receiver with Port Door and Forward Assist
Upgrade your AR-15 with the Moriarti Armaments Assembled M4 Upper Receiver. Designed for superior pe..
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Moriarti Dedicated 22 LR Stainless Steel Bolt Group - Complete
Great for any .22LR enthusiast. This .22AR Bolt Group was developed to provide a long lasting and re..
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3 Pack - M4 Flat Top Upper Receiver - Stripped - Black Anodized
Machined from 7075 T6 forgings, this upper receiver features a mil-std 1913 rail for mounting optics..
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450 Bushmaster 16" AR-15 Heavy Barrel | Black Nitride | 1:24 Twist
Build a powerful big-bore AR with this 16" .450 Bushmaster barrel, engineered for dependable perform..
AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP
T6 Aluminum Total Weight: 3.1 oz!Airlite Series Extremely LightweightErgonomic Groove..
AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP - ANODIZED PURPLE
T6 Aluminum Total Weight: 3.1 ozAirlite Series Anodized Purple FinishExtremely Lightweight..
AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP - BLUE
T6 Aluminum Total Weight: 3.1 oz!Airlite Series Cerakote Blue FinishExtremely Lightwe..
AR MAGPUL MOE SL CARB STK COMMERCIAL GRAY
Magpul Industries, MOE Slim Line Carbine Stock, Fits AR-15, Com-Spec, Gray FinishManufacturer: ..
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AR SILENT BUFFER ASSEMBLY SPRING - SBA Recoil Spring - H2
Looking for a buffer system that offers superior sound mitigation and easy installation for your AR-..
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AR-15 .223/5.56 A2 Flash Hider | 1/2x28 Threads | Bird Cage Style | Choose Color
Enhance your AR-15 with the .223/5.56 A2 Flash Hider, designed to provide exceptional flash suppress..
AR-15 .223/5.56 A2 Flash Hider | Stainless Steel | 1/2x28 Threads | Bird Cage Style
Upgrade your AR-15 with the .223/5.56 A2 Flash Hider in Stainless Steel. This bird cage style flash ..
AR-15 .224 Valkyrie 20" VALKYRIE MEDIUM RIFLE LENGTH 1/7 BARREL - 4150 CMV
AR-15 .224 Valkyrie 20" VALKYRIE MEDIUM RIFLE LENGTH 1/7 BARREL - 4150 CMVLENGTH: 20"PROFILE: MEDIUM..
AR-15 .338 ARC 10.5" Pistol Barrel | 1:5 Twist | Pistol Gas | 5/8-24
Build a compact .338 ARC AR-15 around the Moriarti 10.5" .338 ARC Pistol Barrel. Featuring a fast 1:..
AR-15 .338 ARC 12.5" Pistol Barrel | 1:8 Twist | Pistol Gas | 5/8-24
Build a compact .338 ARC AR-15 with the Moriarti 12.5" .338 ARC Pistol Barrel, featuring a 1:8 twist..
AR-15 .338 ARC 16" Rifle Barrel | 1:8 Twist | Pistol Gas | 5/8-24
Build a rifle-length .338 ARC AR-15 around the Moriarti 16" .338 ARC Barrel, featuring a 1:8 twist r..
AR-15 .338 ARC 7.5" Pistol Barrel | 1:5 Twist | 5/8-24 | Black Nitride
Build an ultra-compact .338 ARC AR-15 around the Moriarti 7.5" .338 ARC Pistol Barrel. Featuring an ..
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AR-15 .350 Legend 20" 416R Stainless Steel Heavy Barrel - 1:16 Twist, Carbine Length Gas System
Unlock superior performance with the AR-15 .350 Legend 20" barrel crafted from 416R stainless steel...