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.
Why is the AR-15 platform so popular?
The AR-15 platform is popular because of its modular design, broad parts availability, caliber selection, and ability to support many different configurations. AR-15-style firearms can be configured for cartridges including 5.56 NATO/.223 Remington, 300 Blackout, 6.5 Grendel, 6.8 SPC II, 7.62x39, .350 Legend, .400 Legend, .450 Bushmaster, .50 Beowulf/12.7x42, and .338 ARC, depending on the components used. Shooters can also choose among different barrel lengths, handguards, stocks or pistol configurations, triggers, optics, and finishes.
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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
A complete AR-15 rifle buttstock kit built around the fixed Magpul MOE rifle stock in black. The kit..
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
A complete mil-spec AR-15 six-position buffer tube assembly. It comes with every part needed to set ..
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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
A complete AR-15 mil-spec M4-style 6-position mini stock kit. Every part of the stock and buffer ass..
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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 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
A complete AR-15 pistol buffer tube set. It includes the pistol tube with a foam cover plus the cast..