Home /Categories / Receivers / 5.56x45mm NATO

Shop 114 Deals on 5.56x45mm NATO Receivers

Browse 5.56x45mm NATO Receivers for sale at the lowest prices online.

Lower Receivers

Upper Receivers

Complete Uppers

Handguard & Rails

Barreled Receivers

Shooting Accessories

Forend & Handguard Parts

Franklin Armory M4-BLR Lower Receiver - 00-20016-BLK - Franklin Armory

Franklin Armory M4-BLR Lower Receiver - 00-20016-BLK

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Franklin Armory

Sons of Liberty Gun Works .223 Remington AR Lower, Black - SCALPER - Sons Of Liberty Gun Works

Sons of Liberty Gun Works .223 Remington AR Lower, Black - SCALPER

$156.00 $137.75

Sons Of Liberty Gun Works

Aero Precision M4A1 Clone Stripped Lower .223 Remington/5.56x45mm, Black - Aero Precision

Aero Precision M4A1 Clone Stripped Lower .223 Remington/5.56x45mm, Black

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Anderson Manufacturing Complete Lower .223 Remington/5.56x45mm, Black - Anderson Manufacturing

Anderson Manufacturing Complete Lower .223 Remington/5.56x45mm, Black

$199.99 $109.00

Anderson Manufacturing

Sharps Bros Livewire Forged .223 Remington AR Lower, Black - SBLR08F - Sharps Bros

Sharps Bros Livewire Forged .223 Remington AR Lower, Black - SBLR08F

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Desert Tech Quattro-15 .223 Remington AR Lower, Black - QTRLR15 - Desert Tech

Desert Tech Quattro-15 .223 Remington AR Lower, Black - QTRLR15

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Shield Arms SA-15 Side Folding Stripped AR-15 Lower Receiver, Black - SA-SA15-SL - Shield Arms

Shield Arms SA-15 Side Folding Stripped AR-15 Lower Receiver, Black - SA-SA15-SL

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

SilencerCo SCO15 5.56x45mm AR Lower, Black - SU4766 - Silencerco

SilencerCo SCO15 5.56x45mm AR Lower, Black - SU4766

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

CMMG MK4 .223 Remington AR Lower, Black - 55CA102AB - Cmmg

CMMG MK4 .223 Remington AR Lower, Black - 55CA102AB

Luth-AR A2 Carry Handle Style Stripped Upper Receiver w/A2 Rear Sight Cut, Black - Luth-Ar

Luth-AR A2 Carry Handle Style Stripped Upper Receiver w/A2 Rear Sight Cut, Black

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Aero Precision M4E1 Complete Lower w/Magpul MOE and STR, Black - Aero Precision

Aero Precision M4E1 Complete Lower w/Magpul MOE and STR, Black

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Radian Weapons AX556 Stripped Lower .223 Remington/5.56x45mm, Radian Black - R0166 - Radian Weapons

Radian Weapons AX556 Stripped Lower .223 Remington/5.56x45mm, Radian Black - R0166

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Daniel Defense 5.56x45mm Upper with 11.5" Barrel, Black - 2312800275047 - Daniel Defense

Daniel Defense 5.56x45mm Upper with 11.5" Barrel, Black - 2312800275047

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Daniel Defense DDM4V7 5.56x45mm 16" Cold Hammer Forged AR-15 Upper Receiver, Black - 23-128-02339-047 - Daniel Defense

Daniel Defense DDM4V7 5.56x45mm 16" Cold Hammer Forged AR-15 Upper Receiver, Black - 23-128-02339-047

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

LWRC IC .223 Remington AR Lower, Black - ICL5B - Lwrc

LWRC IC .223 Remington AR Lower, Black - ICL5B

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Radian A-DAC 15 Stripped Lower Receiver, Brown - R0389 - Radian Weapons

Radian A-DAC 15 Stripped Lower Receiver, Brown - R0389

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Battle Arms Workhorse .223 Remington AR Lower, Black - WHLRRB5 - Battle Arms Development

Battle Arms Workhorse .223 Remington AR Lower, Black - WHLRRB5

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Battle Arms Development

Midwest Industries Upper Upper 223 Remington 556NATO 10.5" Black MLOK AR-15 - Midwest Industries

Midwest Industries Upper Upper 223 Remington 556NATO 10.5" Black MLOK AR-15

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Midwest Industries

SilencerCo SCO15, Stripped Upper Receiver, .223 Remington/556NATO, Black - Silencerco

SilencerCo SCO15, Stripped Upper Receiver, .223 Remington/556NATO, Black

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Sharps Bros SBLR07 .223 Remington AR Lower, Bronze - SBLR07BDBRONZE - Sharps Bros

Sharps Bros SBLR07 .223 Remington AR Lower, Bronze - SBLR07BDBRONZE

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Flat Dark Earth - STS1512 - Spikes Tactical

Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Flat Dark Earth - STS1512

Spikes Tactical

Geissele Automatics Super Duty Mod 1 16" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Black - 08-548B - Geissele

Geissele Automatics Super Duty Mod 1 16" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Black - 08-548B

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Odin Works OTR-15 .223 Remington AR Lower, Green - OTR15RECEIVERSETRG - Odin Works

Odin Works OTR-15 .223 Remington AR Lower, Green - OTR15RECEIVERSETRG

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

Geissele Automatics Super Duty Mod 1 14.50" 5.56x45mm Upper 1:7 M-LOK Rail Mid-Length with BCG and CH, Black - 08547B - Geissele

Geissele Automatics Super Duty Mod 1 14.50" 5.56x45mm Upper 1:7 M-LOK Rail Mid-Length with BCG and CH, Black - 08547B

MAP (Minimum Advertised Price) means this product is for sale at a lower price than what the manufacturer allows advertised.

1 / 5