AR-15 Upper Parts
AR-15 Charging Handles, Dust Covers, Muzzle Devices & More
Explore AR-15 upper parts at Moriarti Armaments. Our premium quality upper parts ensure precision, durability, and performance, perfect for building or upgrading your custom AR-15.
What parts are included in an AR-15 upper assembly?
AR-15 upper components vary by product and configuration. Individual parts may include charging handles, forward assists, dust covers, gas system components, and other upper receiver accessories. Review each product description for exact specifications and compatibility.
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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 ..
-25%
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...
-54%
AR-15 .450 Bushmaster / .458 SOCOM Complete Bolt Assembly – Parkerized | MPI Inspected
Complete AR-15 bolt assembly for .450 Bushmaster and .458 SOCOM configurations. The assembly comes w..
-37%
AR-15 .458 SOCOM / .450 BUSHMASTER Nitride Bolt Carrier Group – MPI Tested
Upgrade your big-bore AR-15 build with this robust AR-15 .458 SOCOM / .450 BUSHMASTER Bolt Carrier G..
AR-15 .458 SOCOM Flat Top Upper Receiver, Stripped
Upgrade your AR-15 build with the .458 SOCOM Flat Top Upper Receiver. Designed for large-bore calibe..
AR-15 .50 Beowulf Multiport Compensator | 49/64x20 Thread | Black Nitride Finish | Reduce Recoil
Optimize your AR-15 build with the .50 Beowulf Multiport Compensator. This advanced Gen 2 design fea..
-25%
AR-15 1/2X28 7" Thread-On Fake Suppressor | T6 Aluminum | Anodized Black | Moriarti Arms
Enhance the look of your AR-15 with this 1/2X28 7" Thread-On Fake Suppressor from Moriarti Arms. Mad..
AR-15 12.7x42 18" Parkerized Heavy Barrel | 1:20 Twist | Mid-Length Gas System
Experience top-tier precision and durability with the AR-15 12.7x42 18" barrel. Made from 4150 Chrom..
-23%
AR-15 12.7x42 50B 16" Parkerized Heavy Barrel, 1:20 Twist, Carbine
Elevate your AR-15 build with the 12.7x42 16" heavy barrel, designed for precision, durability, and ..
-80%
AR-15 2-Piece Quad Rail Barrel Nut / Steel - Replacement for Standard AR-15 & M16 Handguards
The AR-15 2-Piece Quad Rail Barrel Nut is an essential replacement part for your 2-piece handguard s..
-31%
AR-15 300 AAC Blackout 10.5" 4150 CMV Barrel, 1-7 twist, Govt Profile, Nitride
MADE FROM 4150 CMV AND HARDENED TO 26-32 RC AND STRESS RELIEVED, PLATED BLACK. 1-7 RH TWIST ..
AR-15 300 BLACKOUT 16" DIAMOND FLUTED STAINLESS STEEL BARREL, CARBINE, 1-7
AR-15 300 BLACKOUT 16" DIAMOND FLUTED STAINLESS STEEL BARREL 1-7. Made from 416 stainless steel har..
AR-15 300 Blackout 16" stainless steel spiral fluted barrel , 1-7 , carbine
AR-15 300 Blackout 16" stainless steel spiral fluted barrel 1-7 twist. MADE FROM 416R STAINLESS STEE..
AR-15 300 Blackout 16" Stainless Steel Straight Fluted Barrel - 1:7 Twist, Carbine Gas System
Enhance your AR-15 build with the 300 Blackout 16" stainless steel barrel, designed for superior per..
AR-15 300 Blackout 6" Barrel / 4150 CMV / Med Profile / Nitride
AR-15 300 Blackout 6" Barrel / 4150 CMV / Med Profile / Nitride6" MED PROFILE 1:7 TWIST4150 CMVNITRI..
AR-15 300 Blackout 9" HEAVY BARREL; 4150 CMV 1:7 TWIST
AR-15 300 Blackout 9" HEAVY BARREL; 4150 CMV 1:7 TWIST 9" HEAVY CONTOUR WITH 1:7 TWIST4150 CMV S..
AR-15 5.56 CAL 5.5" Fake Suppressor | Barrel Extension | Choose Color | 1/2x28 TPI
Add a tactical flair to your AR-15 with the 5.56 CAL 5.5” Fake Suppressor. Constructed from T6 alumi..
-23%
AR-15 5.56 NATO 11.5" 4150 CMV Nitride Barrel | Carbine-Length Gas System, 1/2x28 Thread
Enhance your AR-15 build with this high-performance AR-15 5.56 NATO 11.5" barrel. Crafted from 4150 ..
-23%
AR-15 5.56 NATO 12.5" Carbine Barrel | M4 Profile, 1:8 Twist, Nitride Finish
The AR-15 5.56 NATO 12.5" Carbine Barrel is designed for shooters seeking a compact, reliable barrel..
AR-15 5.56 NATO 13.9" 4150 CMV Barrel / Pencil Profile / Mid-Length / 1:7 Twist
AR-15 5.56 NATO 13.9" 4150 CMV Barrel / Pencil Profile / Mid-Length / 1:7 Twist Manufacturer:..
AR-15 5.56 NATO 16" Carbine Length Barrel 1:7 Twist / Tin Coated
AR-15 5.56 NATO 16" Carbine Length Barrel 1:7 Twist / Tin CoatedLength: 16"5.56 NATO1:7 Twist.750" g..