AR 15 Lower Parts | AR15 Lower Receiver Parts, Buffer Tubes, Triggers & Magazines

AR 15 Lower Parts

Discover high-quality AR15 lower receiver parts, buffer tubes, triggers, and magazines at Moriarti Armaments. Upgrade your AR-15 with precision-engineered components designed for performance and reliability. Shop our extensive collection of AR-15 parts and enhance your build today!

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AR-15 / AR-10 BLACKHAWK KNOXX BUTTSTOCK/ MIL-SPEC /  Burnt Bronze

AR-15 / AR-10 BLACKHAWK KNOXX BUTTSTOCK/ MIL-SPEC / Burnt Bronze

AR-15 / AR-10 BLACKHAWK KNOXX BUTTSTOCK/ MIL-SPEC /  Burnt BronzeButtstock designed for you! Th..

$39.95
AR-15 5.56x45/.223 Magpul PMAG 30 Round Magazine AR-15 5.56x45/.223 Magpul PMAG 30 Round Magazine

AR-15 5.56x45/.223 Magpul PMAG 30 Round Magazine

AR-15 Magpul PMAG 30 Round 5.56x45/.223 Magazine. The PMAG 30 AR/M4 GEN M2 MOE is a 30-round 5.56x45..

$15.95
AR-15 7.62x39 30-Round ASC Magazine – Black, U.S.A. Made

AR-15 7.62x39 30-Round ASC Magazine – Black, U.S.A. Made

AR-15 7.62x39 30-Round ASC Magazine – Enhance your shooting experience with this 30-round magazine d..

$27.95
AR-15 Anodized Accessory Accent Kit | Available in Blue, Red, FDE – Upgrade Your AR-15 AR-15 Anodized Accessory Accent Kit | Available in Blue, Red, FDE – Upgrade Your AR-15
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AR-15 Anodized Accessory Accent Kit | Available in Blue, Red, FDE – Upgrade Your AR-15

Available in Blue, Red, and FDEElevate your AR-15 with the Red Anodized Accessory Accent Kit. This c..

$249.95
AR-15 Featureless Stock - HERA CQR | Juggernaut Tactical | Customizable & Precision Shooting

AR-15 Featureless Stock - HERA CQR | Juggernaut Tactical | Customizable & Precision Shooting

Upgrade your AR-15 with the HERA CQR Featureless Stock from Juggernaut Tactical. Designed for precis..

$139.95
AR-15 Lower Parts Kit w/ Drop-In Trigger, Ergo Grip, Anti-Walk Pins – Complete Mil-Spec Kit

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 ..

$149.95
AR-15/AR-10 Lower Upgrade Kit - Enhanced | Ambi Safety, Trigger Guard, Extended Mag Release | Multiple Color Options AR-15/AR-10 Lower Upgrade Kit - Enhanced | Ambi Safety, Trigger Guard, Extended Mag Release | Multiple Color Options

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..

$69.95
DURAMAG 20-Round Magazine – 223 Remington/5.56 NATO/300 Blackout, Desert Gold, Aluminum Body

DURAMAG 20-Round Magazine – 223 Remington/5.56 NATO/300 Blackout, Desert Gold, Aluminum Body

The DURAMAG 20-Round Magazine is designed for AR-15 rifles chambered in 223 Remington, 5.56 NATO, a..

$18.75
DURAMAG 30-Round Magazine – 223 Remington/5.56 NATO, Aluminum, OD Green, AR-15

DURAMAG 30-Round Magazine – 223 Remington/5.56 NATO, Aluminum, OD Green, AR-15

The DURAMAG 30-Round Magazine is designed for AR-15 rifles chambered in 223 Remington and 5.56 NATO...

$18.70
DURAMAG 30-Round Magazine – 223 Remington/5.56 NATO, Aluminum, Pink, AR-15

DURAMAG 30-Round Magazine – 223 Remington/5.56 NATO, Aluminum, Pink, AR-15

The DURAMAG 30-Round Magazine is designed for AR-15 rifles chambered in 223 Remington and 5.56 NATO...

$18.70
DURAMAG AR-15 30-Round Magazine - 223 Remington/5.56 NATO, Aluminum, Black Anti-Tilt AGF Follower

DURAMAG AR-15 30-Round Magazine - 223 Remington/5.56 NATO, Aluminum, Black Anti-Tilt AGF Follower

The DURAMAG 30-Round Magazine is built for AR rifles chambered in 223 Remington and 5.56 NATO. Cons..

$17.95
DURAMAG SS 20-Round Magazine – 224 Valkyrie/6.8 SPC, Stainless Steel, Gray AGF Follower, Black

DURAMAG SS 20-Round Magazine – 224 Valkyrie/6.8 SPC, Stainless Steel, Gray AGF Follower, Black

The DURAMAG SS 20-Round Magazine is designed for AR-15 rifles chambered in 224 Valkyrie and 6.8 SPC..

$29.99
DURAMAG SS 6.5 Grendel AR-15 20-Round Magazine – Stainless Steel, Blue AGF Follower, Black

DURAMAG SS 6.5 Grendel AR-15 20-Round Magazine – Stainless Steel, Blue AGF Follower, Black

The DURAMAG SS 6.5 Grendel Magazine is designed for AR-15 rifles and features stainless steel constr..

$29.99
HEXMAG Series 2 AR-15 30-Round Magazine – 223 Remington/5.56 NATO, Black

HEXMAG Series 2 AR-15 30-Round Magazine – 223 Remington/5.56 NATO, Black

The HEXMAG Series 2 30-round magazine is designed for AR-15 rifles chambered in 223 Remington and 5...

$14.95
KCI AR-15 100 Round Drum Magazine - 5.56 Caliber, High Capacity Magazine KCI AR-15 100 Round Drum Magazine - 5.56 Caliber, High Capacity Magazine

KCI AR-15 100 Round Drum Magazine - 5.56 Caliber, High Capacity Magazine

The KCI AR-15 100 Round Drum Magazine is designed to deliver unmatched firepower and reliable perfor..

$169.99
KCI USA 50-Round Drum Magazine for AR-15 – 223 Remington/5.56 NATO, Black
Sale
-20%

KCI USA 50-Round Drum Magazine for AR-15 – 223 Remington/5.56 NATO, Black

The KCI USA 50-Round Drum Magazine for AR-15 rifles, chambered in 223 Remington or 5.56 NATO, delive..

$99.95 $124.99
Magpul PMAG 30-Round Magazine – AK-47 7.62x39, Polymer, Fits AK Rifles, Black
Sale
-13%

Magpul PMAG 30-Round Magazine – AK-47 7.62x39, Polymer, Fits AK Rifles, Black

The Magpul PMAG 30 AK/AKM MOE is a 30-round polymer magazine designed for 7.62x39mm Kalashnikov patt..

$13.95 $15.95
Mission First Tactical Extreme Duty AR-15 30-Round Magazine – 5.56 NATO/223 Remington/300 BLK
Sale
-20%

Mission First Tactical Extreme Duty AR-15 30-Round Magazine – 5.56 NATO/223 Remington/300 BLK

The Mission First Tactical Extreme Duty AR-15 30-Round Magazine is engineered for superior reliabili..

$19.99 $24.95
Mission First Tactical Extreme Duty AR15 Magazine 5.56/.223 Wolverines - 30 RD
Sale
-20%

Mission First Tactical Extreme Duty AR15 Magazine 5.56/.223 Wolverines - 30 RD

Mission First Tactical, Magazine, 223 Remington, 556NATO, 30Rd, AR-15SpecificationsUPC810099430523Ma..

$19.95 $24.95
ProMag AR-15 7.62x39 50-Round Drum Magazine - Steel/Polymer Construction, Lifetime Warranty

ProMag AR-15 7.62x39 50-Round Drum Magazine - Steel/Polymer Construction, Lifetime Warranty

The ProMag AR-15 7.62x39 50rd Drum Magazine is an essential addition to your AR-15 setup. Designed f..

$134.95
Adaptive Tactical EX Performance Stock – AR-15/AR-10 Compatible, Black - AT-02012

Adaptive Tactical EX Performance Stock – AR-15/AR-10 Compatible, Black - AT-02012

The Adaptive Tactical EX Performance Stock offers enhanced comfort, recoil control, and adjustabilit..

$59.95
ALG Defense Combat Trigger | 6-Pound Pull | Single-Stage | Nickel Boron Plated

ALG Defense Combat Trigger | 6-Pound Pull | Single-Stage | Nickel Boron Plated

The ALG Defense Combat Trigger (ACT) is designed for shooters who prioritize reliability, tradition,..

$82.95
Anodized AR-15 80% Lower Receiver – MIL-SPEC 7075-T6 Forging Anodized AR-15 80% Lower Receiver – MIL-SPEC 7075-T6 Forging
Sale
-40%

Anodized AR-15 80% Lower Receiver – MIL-SPEC 7075-T6 Forging

Our anodized AR-15 80% lower receivers are designed with the DIY gunsmith in mind. Constructed from ..

$59.95 $99.95
AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP

AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP

T6 Aluminum Total Weight: 3.1 oz!Airlite Series Extremely LightweightErgonomic Groove..

$59.95
AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP - ANODIZED PURPLE

AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP - ANODIZED PURPLE

T6 Aluminum Total Weight: 3.1 ozAirlite Series Anodized Purple FinishExtremely Lightweight..

$69.95
AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP - BLUE

AR AIRLITE SERIES SKELETONIZED ALUMINUM PISTOL GRIP - BLUE

T6 Aluminum Total Weight: 3.1 oz!Airlite Series Cerakote Blue FinishExtremely Lightwe..

$69.95
AR BREACH BRACE PISTOL STABILIZER
Sale
-30%

AR BREACH BRACE PISTOL STABILIZER

THE BREACH IS AN ATF APPROVED PISTOL STABILIZER BRACE THAT WAS DESIGNED TO BE LOW PROFILE AND EASY T..

$34.95 $49.95
AR MAGPUL MOE SL CARB STK COMMERCIAL GRAY AR MAGPUL MOE SL CARB STK COMMERCIAL GRAY

AR MAGPUL MOE SL CARB STK COMMERCIAL GRAY

Magpul Industries, MOE Slim Line Carbine Stock, Fits AR-15, Com-Spec, Gray FinishManufacturer: ..

$59.95
AR SILENT BUFFER ASSEMBLY SPRING - SBA Recoil Spring - H2 AR SILENT BUFFER ASSEMBLY SPRING - SBA Recoil Spring - H2
Sale
-44%

AR SILENT BUFFER ASSEMBLY SPRING - SBA Recoil Spring - H2

Looking for a buffer system that offers superior sound mitigation and easy installation for your AR-..

$44.95 $79.95
AR-15 .223/5.56 HEXMAG Carbon Fiber 30RD Magazine – Dark Grey | Durable & High-Capacity
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AR-15 .223/5.56 HEXMAG Carbon Fiber 30RD Magazine – Dark Grey | Durable & High-Capacity

The AR-15 .223/5.56 HEXMAG Carbon Fiber 30RD Magazine in Dark Grey is the ideal choice for AR rifle ..

$16.95
AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACE AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACE

AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACE

AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACEFEATURESCaliber 5.56/300BLKLightweight..

$299.95
AR-15 80% Anodized Billet Lower Receiver Combo Kit | Stock Kit & LPK for Custom Builds
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AR-15 80% Anodized Billet Lower Receiver Combo Kit | Stock Kit & LPK for Custom Builds

The AR-15 80% Anodized Billet Lower Receiver Combo Kit is the ultimate choice for gun enthusiasts an..

$249.95
AR-15 80% lower receiver - Tungsten

AR-15 80% lower receiver - Tungsten

80% Receiver Restrictions: 80% Receivers are not legal in all areas of the U.S. Please be aware of y..

$129.95
AR-15 A2 Rifle Buffer Spring – Full Length, Steel, Made in USA
Sale
-86%

AR-15 A2 Rifle Buffer Spring – Full Length, Steel, Made in USA

This AR-15 A2 Rifle Buffer Spring is designed for use with full-size, fixed rifle stock systems. Man..

$0.95 $6.95
AR-15 AIRLITE SERIES “MINIMALIST” STOCK / ANODIZED PURPLE
Sale
-31%

AR-15 AIRLITE SERIES “MINIMALIST” STOCK / ANODIZED PURPLE

Skeleton Style Aluminum Stock - Anodized Purple6.67 CalSteel ButtplateRubber Buttpad IncludedLightwe..

$89.95 $129.95
AR-15 ALPHA Complete Buttstock Assembly | Mil-Spec | Adjustable, Lightweight AR-15 ALPHA Complete Buttstock Assembly | Mil-Spec | Adjustable, Lightweight
Sale
-29%

AR-15 ALPHA Complete Buttstock Assembly | Mil-Spec | Adjustable, Lightweight

The AR-15 Alpha Complete Buttstock Assembly is designed for performance, versatility, and ergonomics..

$49.95 $69.95
AR-15 AR-15 Lower Parts Kit / Cerakote RED
Sale
-30%

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..

$69.95 $99.95
AR-15 Carbine Buffer Spring AR-15 Carbine Buffer Spring
Sale
-47%

AR-15 Carbine Buffer Spring

The AR-15 Carbine Buffer Spring is designed to work with all standard AR-15 models and is compatible..

$7.95 $14.95
AR-15 Complete Compact Buffer Tube 3.5'' | Cerakote Red
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AR-15 Complete Compact Buffer Tube 3.5'' | Cerakote Red

Features:Material: 7075-T6 AluminumFinish: CERAKOTE REDLength: 3.5” estimate depending on the lower...

$119.95
AR-15 COMPLETE LOWER PARTS KIT WITH ERGONOMIC POLYMER PISTOL GRIP
Sale
-29%

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..

$59.95 $84.95
AR-15 COMPLETE LOWER PARTS KIT WITH TRIGGER GUARD AND MAGPUL MOE GRIP

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..

$89.95
AR-15 Enhanced Trigger Guard - Multiple Colors Available AR-15 Enhanced Trigger Guard - Multiple Colors Available

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..

$19.95
AR-15 Extended Bolt Catch Release - Contoured Design - Choose Your Color AR-15 Extended Bolt Catch Release - Contoured Design - Choose Your Color

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..

$44.95
AR-15 Extended Lower Takedown Pin Set - Front & Rear - G2 - Choose Color AR-15 Extended Lower Takedown Pin Set - Front & Rear - G2 - Choose Color

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..

$19.95
AR-15 EXTENDED TAKEDOWN PIN SET / CERAKOTE COLOR OPTIONS AR-15 EXTENDED TAKEDOWN PIN SET / CERAKOTE COLOR OPTIONS

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 ..

$18.95
AR-15 Finishing Kit | Black Chrome | Includes Ambi Safety, Charging Handle, & More
Sale
-20%

AR-15 Finishing Kit | Black Chrome | Includes Ambi Safety, Charging Handle, & More

Enhance your AR-15 build with the AR-15 Finishing Kit in Black Chrome, a complete parts kit designed..

$399.95 $499.95
AR-15 Finishing Kit | Chrome Finish | Includes Ambi Safety, Charging Handle, & More

AR-15 Finishing Kit | Chrome Finish | Includes Ambi Safety, Charging Handle, & More

Upgrade your AR-15 build with the AR-15 Finishing Kit in Chrome Finish, a complete parts kit designe..

$499.95
AR-15 FIRE CONTROL GROUP - TIN COATED

AR-15 FIRE CONTROL GROUP - TIN COATED

Kit Includes: Hammer, Trigger, & DisconnectorUS Made Tin FinishEnhanced Smooth Trigger Pull..

$79.95
AR-15 LE M4 6 POSITION MIL-SPEC STOCK KIT AR-15 LE M4 6 POSITION MIL-SPEC STOCK KIT
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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..

$69.95
AR-15 Lower Parts Kit / Cerakote Pink
Sale
-30%

AR-15 Lower Parts Kit / Cerakote Pink

U.S.A. Made Lower Parts Kit Includes the following:CERAKOTE PINK Pistol Grip CERAKOTE..

$69.95 $99.95
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