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.
What parts do I need to build an AR-15?
A complete AR-15 build typically requires an upper assembly, lower receiver, lower parts, barrel, bolt carrier group, charging handle, stock or brace, buffer system, magazine, and compatible accessories. Product requirements may vary depending on your build configuration.
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AR-15 H2 Carbine Buffer Tube Kit w/ Standard End Plate - Force Reset Trigger Ready
AR15 Buffer Tube Assembly w/End Plate Mil-Spec 6 Position Buffer Tube4.6 oz. BufferBuffer Sprin..
AR-15 HBPDW Adjustable PDW Pistol Stabilizing Brace Kit w/ Buffer & Spring – SB Tactical
Designed by Q® and built by SB Tactical, the HBPDW™ Pistol Stabilizing Brace is a modern, PDW-style ..
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AR-15 LE M4 6 POSITION MIL-SPEC STOCK KIT
AR-15 LE M4 6 POSITION MIL-SPEC STOCK KIT - The L-E stock was designed to conform with design parame..
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AR-15 Left Hand 10.5" 7.62x39mm Slim Tactical M-LOK Upper Assembly, 4150 CMV 1:10 Twist, Carbine-Length Gas System
Upgrade your AR-15 with the Left Hand 10.5" 7.62x39mm Slim Tactical M-LOK Upper Assembly, built for ..
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AR-15 Left Hand 7.5" 7.62x39mm Slim M-LOK Upper Assembly, 4150 CMV 1:10 Twist, Pistol-Length Gas System
Enhance your AR-15 with the Left Hand 7.5" 7.62x39mm Slim M-LOK Upper Assembly. Designed specificall..
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AR-15 LEO TAKEDOWN BUILD BARREL COUPLING - CHOOSE CALIBER
AR-15 LEO TAKEDOWN BUILD BARREL COUPLING - CHOOSE CALIBER - Looking for additional barrel build for ..
AR-15 Low Concussion Muzzle Brake 1/2x28 Pitch TPI Knurled - 6 ports
The "Low Concussion" muzzle brake is designed with Compact design for CQB and Tactical Low..
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AR-15 Lower Parts Kit / Cerakote Pink
U.S.A. Made Lower Parts Kit Includes the following:CERAKOTE PINK Pistol Grip CERAKOTE..
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AR-15 Lower Parts Kit / Cerakote Tiffany Blue
AR-15 Lower Parts Kit / Cerakote Tiffany Blue U.S.A. Made Lower Parts Kit Includes the following:..
AR-15 Lower Parts Kit / OD GREEN Magpul Grip / Drop-In Trigger
AR-15 Lower Parts Kit / OD GREEN Magpul Grip / Drop-In Trigger Our AR-15 Lower Receiver Par..
AR-15 Lower Receiver Parts Kit with Ambi Selector and Ergo Grip
AR-15 Lower Parts Kit - Left Hand Includes: Black ..
AR-15 M.C.S STOCK / MULTI CALIBER COLLAPSIBLE STOCK KIT / BLACK
QD sling mounting points on both sidesSmooth design to prevent snags on gearInnovative locking syste..
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AR-15 M4 Six Position Buffer Tube Kit / Mil-Spec / Choose Color
This mil-spec buffer tube kit includes an end plate castle nut aluminum carbine buffer tube buffer a..
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AR-15 M4/M16 NITRIDE BOLT CARRIER GROUP / FULL AUTO COMP - AMERICAN FLAG
M16 Cut9310 Steel CarrierCarpenter 158 Steel Bolt4140 Steel ExtractorMil-Spec O-RingMil-Spec Gas Rin..
AR-15 MAGPUL CTR CARBINE STOCK KIT - MIL-SPEC
AR-15 MAGPUL CTR CARBINE STOCK KIT - MIL-SPEC. Compatible with all AR-15/M16 mil spec models. ..
AR-15 Magpul Moe buttstock kit - Mil Spec
AR-15 Magpul moe buttstock kit. Magpul moe stock mil-spec size. Includes:Magpul Moe Stock - mil s..
AR-15 Magpul Moe Mil-Spec Furniture Kit | Available in Various Colors | Complete Upgrade
Enhance your AR-15 with the Magpul Moe Mil-Spec Furniture Kit, a complete upgrade that combines func..
AR-15 Magpul Moe Rifle Buttstock Kit - Black - Fixed
AR-15 Magpul Moe Rifle Buttstock Kit - Black Includes: Magpul moe fixed rifle stock - black A..
AR-15 Micro Breach Pistol Brace Kit – Anodized Tube, Complete Buffer System, ATF Approved – Choose Color
The AR-15 Micro Breach Pistol Brace Kit by Moriarti Arms is a compact, rugged stabilizing system de..
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AR-15 Mil Spec Buffer Tube Assembly
AR-15 Mil Spec Buffer Tube Assy Includes:End Plate,Castle Nut,3 oz CAR Buffer,Carbine Buffer SpringT..
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AR-15 MIL-SPEC 6 POS. SOPMOD STOCK W/BUFFER TUBE ASSEMBLY
(1) 6 position stock w/2 internal battery compartments & QD Attachment (Made in U.S.A)(1) M..
AR-15 Mil-Spec Gold 6-Position Buffer Tube Kit | T6 Aluminum | CAR Buffer & Chrome Silicon Spring – Moriarti Arms
Upgrade your AR-15 build with this US-made Mil-Spec 6-position buffer tube kit, finished in premium ..
AR-15 MIL-SPEC M4 STYLE 6 POSITION MINI STOCK KIT / COMPLETE
(1) Mil Spec 6-Position Mini Stock (1) Standard Receiver End Plate(1)&nbs..
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AR-15 MORIARTI .450 BUSHMASTER "THUMPER" 10.5" SEMI AUTO PISTOL | SBA3
AR-15 MORIARTI .450 BUSHMASTER "THUMPER" 10.5" SEMI AUTO PISTOL FEATURES MINIMALIST CLASSIC DESIGN.&..
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AR-15 MORIARTI .458 SOCOM 10.5" SEMI-AUTO PISTOL | SBA3
AR-15 MORIARTI .458 SOCOM 10.5" SEMI-AUTO PISTOL | SBA3. This AR Pistol features a forged alumi..
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AR-15 MORIARTI .458 SOCOM 16" SEMI AUTO RIFLE | MAGPUL MOE | MLOK
MORIARTI .458 SOCOM 16" SEMI AUTO RIFLE | MAGPUL MOE. This AR rifle features a forged aluminum ..
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AR-15 Moriarti 12.5″ 6mm ARC Gunner Semi-Auto Pistol / MLOK / SBA3
The AR-15 Moriarti 12.5″ 6mm ARC Gunner Semi-Auto Pistol from Moriarti Armaments offers high-perform..
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AR-15 MORIARTI 300 BLACKOUT 5" PISTOL LENGTH BARREL, MED PROFILE
AR-15 MORIARTI 300 BLACKOUT 5" PISTOL LENGTH BARREL, MED PROFILELength: 5" Pistol Chamber: 300 AAC ..
AR-15 MORIARTI 5.56 NATO 13.9" GOV Profile Barrel / Mid-Length
AR-15 MORIARTI 5.56 NATO 13.9" GOV Profile Barrel / Mid-LengthBarrel Specifications Caliber 5.56 L..
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AR-15 MORIARTI 5.56 NATO 16" GOVT PROFILE BARREL, NITRIDE, MID-LENGTH
AR-15 MORIARTI 5.56 NATO 16" GOVT PROFILE BARREL, NITRIDE, MID-LENGTH. Made In the USA. &nb..
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AR-15 MORIARTI 5.56 NATO 16" M4 PROFILE BARREL, 1:7 TWIST, CARBINE
AR-15 MORIARTI 5.56 NATO 16" M4 PROFILE BARREL, 1:7 TWIST, CARBINESpecificationsCaliber 5.56 Length..
AR-15 MORIARTI 5.56 NATO 18" GOV Profile Barrel / Rifle Length
AR-15 MORIARTI 5.56 NATO 18" GOV Profile Barrel / Rifle LengthCaliber 5.56 Length 18" Material 415..
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AR-15 MORIARTI 5.56 NATO 7.5" Medium Profile Barrel / Pistol Length
AR-15 MORIARTI 5.56 NATO 7.5" Medium Profile Barrel / Pistol LengthQuench Polish Quench (QPQ) is a s..
AR-15 OPERATOR Complete Stock Kit | Mil-Spec | Adjustable, Lightweight
The AR-15 OPERATOR Complete Stock Kit is designed for performance, versatility, and ergonomics..
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AR-15 PISTOL BUFFER TUBE KIT WITH FOAM - CHOOSE COLOR
Cerakote Color of your choiceMachined lower slot to accept all end plates and sling mounting accesso..
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AR-15 Pistol Buffer Tube Set - Complete with Buffer and AR-15 Spring
Kit Includes:Pistol buffer tube with a foamCastle Nut Sling End Plate3 Oz CAR BufferCarbine Chr..
AR-15 PISTOL GRIP WITH HINGED DOOR BOTTOM
AR-15 PISTOL GRIP WITH HINGED DOOR BOTTOM. Polymer molded pistol grip.Features a hinged door s..
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AR-15 Polished Aluminum Lightweight Competition Bolt Carrier Group - Blue
Take your AR-15 to the next level with the Polished Aluminum Lightweight Competition Bolt Carrier Gr..
AR-15 Ranger Six Position Mil Spec Complete Buttstock Kit
This COMPLETE Ranger Stock Kit includes:Ranger Stock -6 positionMil spec AR15 platformMil Spec ..
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AR-15 Rifle Barrett Style Muzzle Brake with Jam Nut, 1/2x28 - Extended
AR-15 Rifle Barrett Style Muzzle Brake with Jam Nut, 1/2x28 - This Extended Length "Tanker" muzzle b..
AR-15 Right Hand Side Charging Complete Bolt Carrier Group - Choose Caliber
AR-15 Right Hand Side Charging Complete Bolt Carrier Group - Choose Caliber. Made by BCA.Comes compl..
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AR-15 SBA3 MOE EPT Pistol Lower Build Kit | Adjustable Pistol Brace & Milspec Lower Parts Kit
The AR-15 SBA3 MOE EPT Pistol Lower Build Kit (Black) is a complete kit designed for transforming yo..
-228x228.webp "AR-15 Shockwave Pistol Brace with Kak Tube Kit / Various Colors")
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AR-15 Shockwave Pistol Brace with Kak Tube Kit / Various Colors
AR-15 Shockwave Pistol Brace with Kak Tube Kit has everything you need to turn your stripped AR..
AR-15 Skeleton 80% Lower Receiver – 7075 Forged Aluminum, Multi-Caliber | Moriarti Arms
The Moriarti Arms AR-15 Skeleton 80% Lower Receiver offers a lightweight yet rugged foundation for y..
-228x228.webp "AR-15 Slab Side Billet Upper Receiver | Choose Your Anodized Color")
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AR-15 Slab Side Billet Upper Receiver | Choose Your Anodized Color
.223 / 5.56 Cal / 300 / 9 /7.62x39 T6 6061 Billet 1913 Picatinny Rail Flat Top Man..
AR-15 Slim Line ‘Trident’ Flash Can with Glass Breaker | Rainbow PVD Coated | 1/2x28 Thread
The AR-15 Slim Line ‘Trident’ Flash Can with Glass Breaker combines aggressive styling and superior ..
AR-15 Slim Line ‘Trident’ Flash Can | 5.56/.223 Pressure Reducer | 1/2x28 | Choose Color
The AR-15 Slim Line ‘Trident’ Flash Can is the ultimate muzzle device for controlling muzzle flash a..
AR-15 Slip Over Fake Suppressor | Rainbow PVD Coated | 1/2x28 Thread
The AR-15 Slip Over Fake Suppressor is a high-quality muzzle device designed to provide a sleek, tac..
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AR-15 Stripped Raw Forged Upper Receiver - Flat Top, M4 Feed Ramp
Build your dream AR-15 with this Stripped Raw Billet Upper Receiver, designed for shooters who deman..
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AR-15 Tactical "TALON" Style Charging Handle / Oversized Latch
AR-15 Tactical "TALON" Style Charging Handle / Oversized LatchMil-Spec6061-T6 Aircraft AluminumBlack..