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5.56×45mm NATO
Shop 122 Deals on 5.56×45mm NATO Receivers
Browse 5.56×45mm NATO Receivers for sale at the lowest prices online.
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Daniel Defense 5.56 10.3" Barrel Complete Upper, Type III Hardcoat Anodized/Cold Hammer Forged - 23-004-08013-011
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Daniel Defense
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Sharps Bros SBLR07 .223 Remington AR Lower, Bronze - SBLR07BDBRONZE
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Sharps Bros
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SilencerCo SCO15, Stripped Upper Receiver, .223 Remington/556NATO, Black
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Silencerco
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Radian A-DAC 15 Lower Receiver, Flat Dark Earth - R0390
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Radian Weapons
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Spikes Tactical Upper/Lower Receiver .223 Remington AR Lower, Flat Dark Earth - STS1512
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Spikes Tactical
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Daniel Defense 5.56x45mm Upper with 11.5" Barrel, Black - 2312800275047
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Daniel Defense
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Geissele Automatics Super Duty Mod 1 14.50" 5.56x45mm Upper 1:7 M-LOK Rail Mid-Length with BCG and CH, Black - 08547B
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Geissele
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Midwest Industries Upper Upper 223 Remington 556NATO 10.5" Black MLOK AR-15
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Midwest Industries
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FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black
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Fightlite
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Aero Precision AR15 Complete Upper 5.56 / .223 Rem 10.5 Barrel
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Aero Precision
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Geissele Automatics Super Duty Mod 1 13.9" Upper 5.56x45mm 1:7 M-LOK Rail with BCG and CH, Black - 08-546B
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Geissele
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Primary Weapons Systems MK1 Mod 2-M Stripped Lower 5.56x45mm, Black
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Primary Weapons Systems
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Odin Works OTR-15 .223 Remington AR Lower, Black - OTR15ReceiverSet
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Odin Works
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Sharps Bros The Jack .223 Remington AR Lower, Tan - SBLR03BADLANDS
$386.99
$322.00
Sharps Bros
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Daniel Defense DDM4V7 Lightweight 16" 5.56 AR-15 Upper, Black - 23-128-02932-047
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Daniel Defense
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Radian Weapons ADAC-15 Stripped .223 Remington/5.56x45mm Lower Receiver - OD Green - R0391
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Radian Weapons
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FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 M-LOK Picatinny Rail, Black
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Fightlite
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Odin Works OTR-15 .223 Remington AR Lower, Green - OTR15RECEIVERSETRG
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Odin Works
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Fortis License Gen 2 .223 Remington AR Lower, Black - L7075GEN2A
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Fortis Manufacturing
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Primary Weapons Systems MK1 Mod 2-M Complete Lower 5.56x45mm, Black
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Primary Weapons Systems
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Geissele Automatics Super Duty Mod 1 16" 5.56x45mm Upper 1:7 M-LOK Rail with BCG and CH, Desert Dirt - 08-548S
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Geissele
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FightLite MCR Dual-Feed 12.50" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black
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Fightlite
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Shield Arms SA-15 .223 Remington AR Lower, Black - SA15SLUB5
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Shield Arms
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Spikes Tactical STLB200 .223 Remington AR Lower, Black - STLB200
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Spikes Tactical
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