AR-15 Complete Lowers & Assemblies | U.S.A. Made by Moriarti Arms
AR-15 Lowers
Complete your next build with AR-15 complete lowers from Moriarti Armaments. Our selection includes complete lower receivers featuring professionally assembled lower parts, buffer systems, and stock or brace configurations ready to pair with a compatible AR-15 upper assembly. Available in multiple finishes and configurations, these complete lowers provide a reliable foundation for custom rifles and pistols.
Complete lower receivers are serialized firearm components and must be transferred through a licensed FFL dealer in accordance with applicable federal, state, and local laws.
What is included with an AR-15 complete lower?
An AR-15 complete lower typically includes stripped AR15 lower receiver, lower parts kit, buffer assembly, and stock or brace configuration, depending on the model.
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MA-15 Complete Pistol Lower Receiver / HBPDW Pistol Brace, Black
At Moriarti Armaments, we design and manufacture high-quality, precision-engineered firearms and com..
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MORIARTI AR-15 COMPLETE PISTOL LOWER / SB TACTICAL PDW PISTOL BRACE - BLACK
The MORIARTI AR-15 COMPLETE PISTOL LOWER / SB TACTICAL PDW PISTOL BRACE in Black is the perfect solu..
-15%
Moriarti Armaments MA15 Mil-Spec Complete Lower Receiver – Semi-Automatic, Multi-Caliber, Pistol Build, Black Finish
Moriarti Armaments MA15 Mil-Spec Complete Lower Receiver – The ultimate foundation for your AR-15 bu..
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Moriarti Arms Stripped AR-15 Lower Receiver - Forged, Anodized, Mil-Spec, Multi Caliber
The Moriarti Arms Stripped AR-15 Lower Receiver is a high-quality, mil-spec forged lower that delive..
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Moriarti MA-15 Complete Pistol Lower Receiver with SB Tactical HBPDW Brace, FDE
Key Features Material: Constructed from 7075 T6 aluminum forgings for maximum strength and reliab..
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..
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MA-15 MORIARTI LOWER RECEIVER COMPLETE W/6-POS MIL-SPEC STOCK
Moriarti Armaments AR-15 Lower, Complete Lower Receiver, Semi-automatic, Multi Cal, Black Finish, 6 ..
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MA15 Moriarti Armaments Complete Lower Receiver with Magpul MOE Edition - Black
The MA15 Moriarti Armaments Complete Lower Receiver with Magpul MOE Edition is the perfect foundatio..
MA15 Moriarti Armaments Complete Lower Receiver, Semi-Automatic, Multi-Caliber, SL Carbine Stock - Black, FDE, or OD Green
The MA15 Moriarti Armaments Complete Lower Receiver is the ideal foundation for your next AR-15 buil..
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MORIARTI AR-15 COMPLETE MAGPUL MOE EPT SBA3 LOWER - BLACK
MORIARTI AR-15 COMPLETE MOE EPT SBA3 LOWER - BLACK. THIS IS AN FFL ITEM. ALL NFA RULES APPLY. ..
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Moriarti Armaments AR-15 Big Bore Complete Lower Receiver - A2 Grip, No Stock, .50BE, .450BM, .458 Caliber Compatible
The Moriarti Armaments AR-15 Big Bore Complete Lower Receiver is the perfect foundation for your cus..
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Moriarti Armaments AR-15 Complete Lower Receiver / Skeleton / Carbine Buffer Tube - Multi-Caliber, Choose Color
The Moriarti Armaments AR-15 Complete Lower Receiver with Skeleton Grip and Carbine Buffer Tube ..
Moriarti Armaments MA-15 Complete Lower Receiver - Semi-Automatic, Multi-Cal, Black Finish, Micro Pistol, Mil-Spec
The Moriarti Armaments Complete Lower Receiver is the perfect foundation for building your next pist..
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Moriarti MA15 7.62x39 Lower Receiver Complete | 6-Position Mil-Spec Stock | Semi-Automatic | Black Finish
The MA-47 7.62X39 Moriarti Lower Receiver Complete is the perfect foundation for building your AR-47..
Spike’s Tactical Spartan Stripped AR-15 Lower Receiver – STLS021
Spike's Tactical Spartan stripped lower receivers are built to exacting standards and deliver both r..
Accu-Wedge
Improves accuracy by eliminating play in the AR-15/AR-10 receiver. Buffers the cycling system to red..
AR-15 5.56 CAL M4E1 Rifle Complete Lower Receiver w/ A2 Grip - No Stock - Anodized Black
The AR-15 5.56 M4E1 Complete Lower Receiver is the ideal foundation for building your custom AR-15 r..
Aero Precision M16A4 Clone Lower Receiver – Semi-Automatic, 5.56 NATO, Stripped | APAR148017C
Build your M16A4 clone with authenticity using the Aero Precision M16A4 Clone Lower Receiver, now av..
Aero Precision M4E1 Stripped Lower Receiver - Kodiak Brown - APAR600025C
The Aero Precision M4E1 Stripped Lower Receiver delivers the aesthetic of a billet receiver in a dur..
Sharps Bros. Showdown Stripped Billet Lower Receiver - SHRPSBLR11
The Sharps Bros. Showdown stripped billet lower receiver is built for shooters who demand both funct..
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Spike’s Tactical Calico Jack Stripped AR-15 Lower Receiver – STLS016-CFA
The Spike's Tactical Calico Jack Stripped Lower Receiver is a standout for any AR-15 build. Featurin..
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Spike’s Tactical Spider Stripped AR-15 Lower Receiver – STLS019-CFA
The Spike's Tactical Spider Stripped Lower Receiver is perfect for any AR-15 build, offering a uniqu..
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AR-15 5.56 M4E1 Carbine Complete Lower Receiver w/ A2 Grip, No Stock - Aero Precision
The M4E1 Complete Lower Receiver by Aero Precision is the ideal foundation for your custom AR-15 bui..
Spike’s Tactical Spider Logo AR-15 Lower Receiver – Enhanced LPK / No Stock
Upgrade your next AR-15 build with the Spike's Tactical Spider Logo Lower Receiver, precision-machin..