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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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Odin Works OTR-15 .223 Remington AR Lower, Black - OTR15BilletLowerBLK
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Odin Works
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Battle Arms WORKHORSE AR-15 Upper Receiver, 16" Barrel, No BCG or Charging Handle
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Battle Arms Development
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Colt EPR 5.56 M-LOK 16" AR-15 Upper, Black - LE6920EPR-CK
$1,229.99
$881.99
Colt
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San Tan Tactical Multi-Caliber Billet Lower Receiver, Type III Hard Anodized Matte Black - STT15
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Redfield
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Fortis License Gen 2 .223 Remington AR Lower, Black - L7075GEN2S
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Fortis Manufacturing
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Geissele Automatics Super Duty Mod 1 14.5" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length with BCG and CH, Desert Dirt - 08547S
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Geissele
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Faxon Firearms ARAK-21 5.56x45mm 16" Quad Rail w/ BCG & CH, Black - URSSB556
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Faxon Firearms
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Battle Arms Development WORKHORSE Upper .223-Remington 5.56-NATO 10.5 Barrel
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Battle Arms Development
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Sons of Liberty Gun Works .223 Remington AR Lower, Black - SCALPER
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Sons Of Liberty Gun Works
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SanTan Tactical STT-15 Receiver Set
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Santan Tactical
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Faxon Firearms ARAK-21 12.50" Upper 5.56x45mm, Black
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Faxon Firearms
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Sons of Liberty Gun Works L89 V2 5.56 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Black
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Sons Of Liberty Gun Works
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Bootleg Lower 5.56x45mm AR Lower, Black - BPLR1 - BPLR1
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Bootleg
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Bootleg Lower 5.56x45mm AR Lower, Black - BPLR1
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Bootleg
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SanTan Tactical STT-15 Lite Lower Receiver Stripped
$286.17
$207.50
Santan Tactical
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Radian Weapons Model 1 Builder Kit Gray 5.56 14 Handguard
MAP
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Radian Weapons
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Bravo Company Mfg Lower Receiver Group w/ Mod 0 Stock, Black - LRG-STK-MOD-0-BLK
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Bcm
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Radian Weapons ADAC-15 Stripped .223 Remington/5.56x45mm Lower Receiver - Gray - R0388
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Radian Weapons
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Desert Tech Quattro-15 .223 Remington AR Lower, Black - QTRLR15B53
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Desert Tech
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Daniel Defense AR15 18" 5.56 NATO MK12 SPR URG
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Daniel Defense
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Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002
$439.99
$325.99
Smith & Wesson
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Aero Precision M4E1 Threaded Stripped Upper Receiver, Flat Dark Earth
$170.00
$139.99
Aero Precision
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Primary Weapons Systems MK116 Pro Upper 223 Wylde/556NATO 16.1" Barrel, Black - 19-PM116UA0B
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Primary Weapons Systems
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Aero Precision AR-15 Complete Lower w/Magpul MOE Grip and STR Stock, Black
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Aero Precision
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