levels.svg levels icon sort-down.svg sort down icon sort-up.svg sort up icon search.svg search icon user-circle.svg user circle icon cart-alt.svg cart icon plus.svg plus icon chevron-left.svg chevron left icon chevron-right.svg chevron right icon phone.svg phone icon zoom-in.svg zoom in icon

ENTER TO WIN OUR CURRENT CONTEST

5.56x45 Lower Receivers

Discover the backbone of your next build with our selection of 5.56x45 lower receivers, where precision meets performance. These components are the foundation of any reliable firearm, offering unparalleled durability and compatibility for your custom AR-15 platform. Whether you're a seasoned builder or a first-time assembler, our range of lower receivers ensures a seamless fit and function. Explore the robust craftsmanship of Aero Precision for those who demand excellence in every shot, or opt for the trusted reliability of Anderson to support your tactical needs. Each lower receiver in our collection is engineered to withstand the rigors of real-world use, providing a solid base for your firearm's performance. Dive into our comprehensive selection of Lower Receivers and elevate your shooting experience with components that promise precision and power.

Read more
19 Product(s)
Sort By:
Franklin Armory - BFSIII M4 - Complete AR-15 Lower, M4 Stock, A2 Pistol Grip, 30 Rd Mag, Binary Trigger Factory Installed, Black Anodized Finish, - 00-20016-BLK

Franklin Armory - BFSIII M4 - Complete AR-15 Lower, M4 Stock, A2 Pistol Grip, 30 Rd Mag, Binary Trigger Factory Installed, Black Anodized Finish, - 00-20016-BLK
$431 99
In Stock
Loading...
Shield Arms SA-15 Stripped Lower Receiver SA-15-SLU Rifle Multi-Caliber Semi-Auto Black Folding Mechanism, Anodized

Shield Arms SA-15 Stripped Lower Receiver SA-15-SLU Rifle Multi-Caliber Semi-Auto Black Folding Mechanism, Anodized

$299 99
In Stock
Loading...
Radian Weapons R0427 Builder Kit Radian Black, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

Radian Weapons R0427 Builder Kit Radian Black, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

$1254 95
In Stock
Only 4 Left!
Loading...
Radian Weapons R0428 Builder Kit Radian Gray, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

Radian Weapons R0428 Builder Kit Radian Gray, AX556 Ambi Lower, 10" Handgaurd, Includes Most Lower Parts

$1254 95
In Stock
Only 2 Left!
Loading...
Radian Weapons R0435 Builder Kit Radian Black, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

Radian Weapons R0435 Builder Kit Radian Black, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

$1219 95
In Stock
Loading...
Radian Weapons R0436 Builder Kit Radian Gray, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

Radian Weapons R0436 Builder Kit Radian Gray, AX556 Ambi Lower, 8.50" Handgaurd, Includes Most Lower Parts

$1219 95
In Stock
Only 4 Left!
Loading...
Primary Weapons 22-2M100SM1B MK1 Mod 2-M Black Anodized Stripped Lower for AR-15, Oversized Ambi Bolt Release/Catch

Primary Weapons 22-2M100SM1B MK1 Mod 2-M Black Anodized Stripped Lower for AR-15, Oversized Ambi Bolt Release/Catch

Out of Stock
Radian Weapons R0411 Builder Kit Radian Black, AX556 Ambi Lower, 14" Handgaurd, Includes Most Lower Parts

Radian Weapons R0411 Builder Kit Radian Black, AX556 Ambi Lower, 14" Handgaurd, Includes Most Lower Parts

Out of Stock
Battle Arms Development Workhorse WH556-LR Stripped Lower Receiver, Rifle, Multi-Caliber, Semi-Auto, 7075-T6 Forged, Black Anodized

Battle Arms Development Workhorse WH556-LR Stripped Lower Receiver, Rifle, Multi-Caliber, Semi-Auto, 7075-T6 Forged, Black Anodized

Out of Stock
FN 20100822 FN15 Military Collector M16 Stripped Lower Receiver Black

FN 20100822 FN15 Military Collector M16 Stripped Lower Receiver Black

Out of Stock
American Tactical GLOWGALEO Galil Receiver, Lower, 5.56x45mm NATO, Black Parkerized.

American Tactical GLOWGALEO Galil Receiver, Lower, 5.56x45mm NATO, Black Parkerized.

Out of Stock
Rise Armament RA-SL-223 Stripped AR 15 Lower Black

Rise Armament RA-SL-223 Stripped AR 15 Lower Black

Out of Stock
Aero Precision M4A1 Clone Lower - Anodized Black - APAR148018C

Aero Precision M4A1 Clone Lower - Anodized Black - APAR148018C

Out of Stock
CMMG Mk4 Stripped Lower Receiver 55CA102AB, Rifle, .223 Rem/5.56 NATO, 0" Barrel, Armor Black Cerakote, 7075-T6 Aluminum

CMMG Mk4 Stripped Lower Receiver 55CA102AB, Rifle, .223 Rem/5.56 NATO, 0" Barrel, Armor Black Cerakote, 7075-T6 Aluminum

Out of Stock
Aero Precision M16A4 Clone Complete Lower - Anodized Black - APAR501166

Aero Precision M16A4 Clone Complete Lower - Anodized Black - APAR501166
Out of Stock
FMK Firearms FMKGAR1EDE AR-1 AR15 Stripped Polymer Lower Dark Earth

FMK Firearms FMKGAR1EDE AR-1 AR15 Stripped Polymer Lower Dark Earth

Out of Stock
SilencerCo SU4766 SCO15 Lower Receiver Black Anodized Finish 7075-T6 Aluminum Material for AR-15

SilencerCo SU4766 SCO15 Lower Receiver Black Anodized Finish 7075-T6 Aluminum Material for AR-15

Out of Stock
Sharps Bros SBLR07 BROS. Overthrow AR-15 Stripped Lower Billet Aluminum

Sharps Bros SBLR07 BROS. Overthrow AR-15 Stripped Lower Billet Aluminum
Out of Stock
Spikes Tactical STLS033 Water Boarding Instructor Stripped Lower Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15

Spikes Tactical STLS033 Water Boarding Instructor Stripped Lower Receiver Multi-Caliber 7075-T6 Aluminum Black Anodized for AR-15

Out of Stock
19 Product(s)
Sort By:
 
  Loading...