Shop 105 Deals on 5.56×45mm NATO Receivers

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

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

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

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

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

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

SilencerCo SCO15 5.56x45mm AR Lower, Black - SU4766

Sharps Bros The Jack .223 Remington AR Lower, Tan - SBLR03BADLANDS

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

Aero Precision M4E1 Complete Lower 5.56 Magpul STR Stock

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

Primary Weapons Systems MK1 5.56x45mm AR Lower, Black - 222M100SM1B

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

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

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

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

Seekins SP223 Gen2 .223 Remington AR Lower, Black - 11000008

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

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

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

Daniel Defense DDM4V7 Lightweight 16" 5.56 AR-15 Upper, Black - 23-128-02932-047

Radian A-DAC 15 Lower Receiver, Flat Dark Earth - R0390

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

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