AR-15 Lower Receiver Parts & Kits
Shop premium AR-15 lower parts kits and lower receiver parts at Moriarti Armaments. Our comprehensive kits include all the components you need for a flawless AR-15 build. Choose from mil-spec and high-performance lower parts kits designed for durability and reliability.
AR-15 Lower Parts Kit w/ Drop-In Trigger, Ergo Grip, Anti-Walk Pins – Complete Mil-Spec Kit
The AR-15 Lower Parts Kit with Drop-In Trigger is a comprehensive kit designed for builders looking ..
AR-15/AR-10 Lower Upgrade Kit - Enhanced | Ambi Safety, Trigger Guard, Extended Mag Release | Multiple Color Options
Elevate your AR-15 or AR-10 with this Enhanced Lower Upgrade Kit, featuring premium components desig..
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AR-15 AR-15 Lower Parts Kit / Cerakote RED
AR-15 AR-15 Lower Parts Kit / Cerakote RED - Moriarti Armaments' AR-15 Lower Parts Kit elevates..
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AR-15 COMPLETE LOWER PARTS KIT WITH ERGONOMIC POLYMER PISTOL GRIP
AR-15 COMPLETE LOWER PARTS KIT WITH ERGONOMIC POLYMER PISTOL GRIP U.S.A. Made Lower Parts Kit Inc..
AR-15 COMPLETE LOWER PARTS KIT WITH TRIGGER GUARD AND MAGPUL MOE GRIP
KIT INCLUDES: Magpul Moe Pistol Grip (comes in black by default, you may choose a M..
AR-15 Enhanced Trigger Guard - Multiple Colors Available
The AR-15 Enhanced Trigger Guard is a must-have for any shooter looking to improve the comfort and f..
AR-15 Extended Bolt Catch Release - Contoured Design - Choose Your Color
The AR-15 Extended Bolt Catch Release is designed for enhanced performance and quick, one-handed ope..
AR-15 Extended Lower Takedown Pin Set - Front & Rear - G2 - Choose Color
Key Features: Extended Takedown Pins: The set includes both the front and rear extended takedow..
AR-15 EXTENDED TAKEDOWN PIN SET / CERAKOTE COLOR OPTIONS
CHOOSE YOUR CERAKOTE COLOR ON TOP OF PAGE.The extended and grooved head on the pin makes separating ..
AR-15 FIRE CONTROL GROUP - TIN COATED
Kit Includes: Hammer, Trigger, & DisconnectorUS Made Tin FinishEnhanced Smooth Trigger Pull..
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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..
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AR-15 Lower Parts Kit w/ Standard Grip & Trigger Guard
AR-15 Lower Parts Kit w/ Standard Grip & Trigger Guard. ALL MADE IN USA.Our AR-15 Lower Receiver..
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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/AR-10 Mag Catch Lever in Chrome, Black Chrome, or PVD Finish
Designed for both AR-15 and AR-10 platforms, this mag catch lever is made from durable 6061 aluminum..
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AR-15/AR-10 Magazine Catch Assembly w/Button and Spring
The Mil-Spec AR-15 Magazine Catch Kit includes everything you need for a secure and reliable magazin..
AR-15/AR-10 Magazine Catch Lever - Gold Plated
Key Features: Gold Plated Finish: The lever is coated with a gold-plated finish, adding a lu..
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AR-15/AR-10 PARTIAL LOWER PARTS KIT - SPRINGS AND PINS
AR-15/AR-10 PARTIAL LOWER PARTS KIT - SPRINGS AND PINS U.S.A. Made Partial Lower Parts Kit Includ..
AR-47 7.62x39 Wolff Extra-Power xp Heavy Hammer Spring
Common issues with old/cheap 7.62x39 ammo are light primer strikes. This spring will give..
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AR-15 Magazine Bullet Button Lock & Wonder Tool - California Compliant
AR-15 Magazine Bullet Button Lock & Wonder Tool - California CompliantWhen installed the CA Lega..
AR-15/AR-10 Multi Degree Short Throw Ambi Safety - Choose Your Color
Upgrade your AR-15 or AR-10 with the Multi Degree Short Throw Ambi Safety. This ambidextrous safety ..
AR15 Enhanced Accessory Kit - Choose Color
The AR15 Enhanced Accessory Kit offers everything you need to take your AR-15 build to the next leve..
AR-15 5.56 Cal Extended Takedown Pin Set - Front & Rear - Tin Coated
Upgrade your AR-15 with the 5.56 Cal Extended Takedown Pin Set, designed for fast and easy disassemb..
AR-15 Extended Bolt Catch Release - Ergonomic Contoured Design, Multiple Anodized Colors
Enhance your AR-15’s functionality with the Extended Bolt Catch Release. Designed for improved ergon..
-228x228.jpg "AR-15 Extended Ergonomic Bolt Catch - Available in Chrome, Black Chrome, FDE, PVD, Gold Plated")
-228x228.jpg "AR-15 Extended Ergonomic Bolt Catch - Available in Chrome, Black Chrome, FDE, PVD, Gold Plated")
AR-15 Extended Ergonomic Bolt Catch - Available in Chrome, Black Chrome, FDE, PVD, Gold Plated
Enhance the functionality and aesthetics of your AR-15 with the Extended Ergonomic Bolt Catch. Made ..
AR-15 Extended Lower Takedown Pin Set - Front & Rear - FDE or Black - G1
The AR-15 Extended Lower Takedown Pin Set is the perfect upgrade for your AR-15 build, offering enha..
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AR-15 Complete Anti-Rotation Trigger/Hammer Pin Set | Anti-Rotation Locking Cam Pins | Anodized Black
AR-15 Complete Anti-Rotation Trigger/Hammer Pin Set | Anti-Rotation Locking Cam Pins | Anodized Blac..
AR15 Complete Anti-Rotation Trigger/Hammer Pin Set - Choose Color | US Made
The AR15 Complete Anti-Rotation Trigger/Hammer Pin Set is designed to improve the reliability and pe..
AR-15 Extended Ergonomic Bolt Catch - Black, Steel Construction
Enhance your AR-15's performance with the Extended Ergonomic Bolt Catch. Crafted from steel, this bo..
Aero Precision AR15 Lower Parts Kit - No Fire Control Group
The Aero AR15 Lower Parts Kit is designed to provide all the critical components necessary to comple..
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AR-15 Aluminum Standard Trigger Guard Assembly - Black
This AR-15 Aluminum Standard Trigger Guard Assembly is the perfect upgrade for your Mil-Spec AR-15 l..
CMMG Lower Receiver Parts Kit 556 - Complete AR-15 Kit
The CMMG Lower Receiver Parts Kit 556 includes all the essential components for building or repairin..
AR-15/AR-10 Extended Mag Button - Lightweight T6 Aluminum | Multiple Colors
Upgrade your rifle with the AR-15/AR-10 Extended Mag Button made from T6 aluminum for lightweight du..
AR-15 / AR-10 Extended Mag Catch Paddle Release - Gold Plated, Chrome, Black Chrome, PVD Colors
Transform the look and performance of your rifle with the AR-15 / AR-10 Extended Mag Catch Paddle Re..
AR-15 / AR-10 Extended Mag Catch Paddle Release – Multiple Colors Available
Upgrade your rifle with the AR-15 / AR-10 Extended Mag Catch Paddle Release. Built for fast, efficie..
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AR-15/ AR-10 Extended Magazine Release / Skull Head
AR-15 / AR-10 oversized extended magazine release with skull headUS MadeLightweightFits Any .223/.30..