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.223 / 5.56 Lower Receivers

Unlock the potential of your firearm with our precision-engineered lower receivers, designed specifically for .223 and 5.56 calibers. These components are the backbone of any reliable build, offering unparalleled performance and durability. Whether you're upgrading or starting a new project, our selection ensures compatibility and ease of assembly. Explore the robust offerings from Aero Precision, known for their meticulous craftsmanship and attention to detail, or consider the versatile options from Anderson, which provide a solid foundation for any enthusiast. Each lower receiver is crafted to meet the highest standards, ensuring seamless integration with your upper assembly and delivering consistent performance in the field. Dive into our comprehensive range of lower receivers and experience the difference in quality and precision that sets your build apart.

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1-24 of 28 Products
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Yankee Hill 125-BILLET Billet Lower Receiver AR-15 Rem/5.56 NATO Black

Yankee Hill 125-BILLET Billet Lower Receiver AR-15 Rem/5.56 NATO Black

$253 52
In Stock
Only 2 Left!
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Shield Arms SA-15 Complete Folding Lower Receiver SA-SA15FB Rifle Multi-Caliber Black B5 Bravo Stock, Built-In Folding Mechanism, 7075-T6 Aluminum

Shield Arms SA-15 Complete Folding Lower Receiver SA-SA15FB Rifle Multi-Caliber Black B5 Bravo Stock, Built-In Folding Mechanism, 7075-T6 Aluminum

$526 10
In Stock
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Radian Weapons R0395 AR-15 17" M-Lok Builder Kit

Radian Weapons R0395 AR-15 17" M-Lok Builder Kit

$1444 95
In Stock
Only 2 Left!
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Franklin Armory Libertas Billet Lower Receiver, .223/5.56 NATO, 16" Barrel, 30-Round Capacity, Semi-Automatic, Black Hardcoat Anodized - 0020023BLK

Franklin Armory Libertas Billet Lower Receiver, .223/5.56 NATO, 16" Barrel, 30-Round Capacity, Semi-Automatic, Black Hardcoat Anodized - 0020023BLK

$611 99
In Stock
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LANTAC Raven Billet Side Charging AR-15 Receiver Set - 1-RV-SET-SC-RAVEN

LANTAC Raven Billet Side Charging AR-15 Receiver Set - 1-RV-SET-SC-RAVEN

$455 38
In Stock
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Great Lakes Firearms GL15 Lower Group AR-15 Receiver 5.56 NATO Adjustable Stock Black Billet Lower

Great Lakes Firearms GL15 Lower Group AR-15 Receiver 5.56 NATO Adjustable Stock Black Billet Lower

$199 00
In Stock
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Franklin Armory Salus Binary Equipped Multi-Caliber Pistol Lower Receiver - 0030042BLK

Franklin Armory Salus Binary Equipped Multi-Caliber Pistol Lower Receiver - 0030042BLK

$629 99
In Stock
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Lantac Raven LA00267 AR-15 Billet Lower Receiver, Rifle, .223 Rem/5.56 NATO, Semi-Auto, Flared Magwell, BAD 45° Safety Cut, Black Anodized.

Lantac Raven LA00267 AR-15 Billet Lower Receiver, Rifle, .223 Rem/5.56 NATO, Semi-Auto, Flared Magwell, BAD 45° Safety Cut, Black Anodized.

$261 99
In Stock
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Sharps Bros. The Jack Stripped AR-15 Lower Receiver 7075-T6 Aluminum Anodized Black

Sharps Bros. The Jack Stripped AR-15 Lower Receiver 7075-T6 Aluminum Anodized Black
Out of Stock
Yankee Hill 125 Stripped Lower Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized for AR-15

Yankee Hill 125 Stripped Lower Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized for AR-15

Out of Stock
New Frontier Armory TACRMW Frontier Gtac Manga Warior 16" .556 Cerakote Blue

New Frontier Armory TACRMW Frontier Gtac Manga Warior 16" .556 Cerakote Blue

Out of Stock
Franklin Armory Libertas Binary Equipped Multi-Caliber Rifle Lower Receiver - 0020023DS

Franklin Armory Libertas Binary Equipped Multi-Caliber Rifle Lower Receiver - 0020023DS

Out of Stock
Aero Precision Complete Lower Receiver M4E1 Compatible w/ M4E1 and AR15 Components and Magazines

Aero Precision Complete Lower Receiver M4E1 Compatible w/ M4E1 and AR15 Components and Magazines

Out of Stock
Aero Precision Complete Lower Receiver M4E1 Compatible w/ M4E1 and AR15 Components and Magazines

Aero Precision Complete Lower Receiver M4E1 Compatible w/ M4E1 and AR15 Components and Magazines

Out of Stock
Plum Crazy AR-15 Complete Aluminum Lower Receiver, Collapsible Stock, A2 Pistol Grip, Ready to Drop in and Push Pin. - Black - ETAGLOW201PCMA

Plum Crazy AR-15 Complete Aluminum Lower Receiver, Collapsible Stock, A2 Pistol Grip, Ready to Drop in and Push Pin. - Black - ETAGLOW201PCMA
Out of Stock
POF P-415 Gen 4 Stripped Lower Receiver, Burnt Bronze, Ambidextrous

POF P-415 Gen 4 Stripped Lower Receiver, Burnt Bronze, Ambidextrous

Out of Stock
Mag Tactical Ultra-Lightweight Magnesium Stripped AR-15 Lower Receiver - Premium Grade

Mag Tactical Ultra-Lightweight Magnesium Stripped AR-15 Lower Receiver - Premium Grade
Out of Stock
Bravo Company LRG-STK-MOD-0-SPMD-FDE Lower Group w/BCM Stock MOD0 FDE

Bravo Company LRG-STK-MOD-0-SPMD-FDE Lower Group w/BCM Stock MOD0 FDE

Out of Stock
Aero Precision M16A4 Clone Lower - Anodized Black - APAR148017C

Aero Precision M16A4 Clone Lower - Anodized Black - APAR148017C
Out of Stock
Aero Precision M4E1 Stripped Lower Receiver AR-15 Platform - Cerakote FDE - Minor Cosmetic Blem - APAR600002BC

Aero Precision M4E1 Stripped Lower Receiver AR-15 Platform - Cerakote FDE - Minor Cosmetic Blem - APAR600002BC
Out of Stock
Aero Precision AR-15 Stripped Lower Receiver Gen2 - Cerakote FDE - Minor Cosmetic Blem - APAR501302BC

Aero Precision AR-15 Stripped Lower Receiver Gen2 - Cerakote FDE - Minor Cosmetic Blem - APAR501302BC
Out of Stock
Aero Precision M4E1 Stripped Lower Receiver AR-15 Platform Flat Dark Earth Cerakote - APAR600002C

Aero Precision M4E1 Stripped Lower Receiver AR-15 Platform Flat Dark Earth Cerakote - APAR600002C
Out of Stock
Aero Precision AR-15 Stripped Lower Receiver Gen2 Flat Dark Earth Cerakote - APAR501302C

Aero Precision AR-15 Stripped Lower Receiver Gen2 Flat Dark Earth Cerakote - APAR501302C
Out of Stock
ZEV LR556FOR Forged Lower Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized for AR-15

ZEV LR556FOR Forged Lower Receiver 5.56x45mm NATO 7075-T6 Aluminum Black Anodized for AR-15

Out of Stock
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