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5.56x45mm NATO
Shop 47 Deals on 5.56x45mm NATO Build Kits
Browse 5.56x45mm NATO Build Kits for sale at the lowest prices online.
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Yankee Hill Machine Co. Black Diamond Series Forearm- Mid-Length Length-9.675"-YHM-9633-DX
MAP
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MAP
Yhm
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MOE SL Hand Guard, Carbine-Length - AR15/M4-GRY
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Magpul
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Geissele 9.5" Super Modular Rail MK14 M-LOK, DDC - 05-578S
MAP
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Geissele
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Geissele MK8 AR-15 Handguard 15" MLOK Super Modular, Black - 05-286B
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Geissele
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Geissele 13.5" Super Modular Rail MK14 M-LOK, DDC - 05-573S
MAP
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Geissele
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Midwest Industries 12.625"Slim Line Free Float M-LOK Handguard, Black - MI-SLH12.625
MAP
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MAP
Midwest Industries
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Midwest Industries Gen2 Two Piece Free Float Handguard, Mid-Length, Black MCTAR-21G2
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Midwest Industries
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Geissele 9.5" MK4 M-Lok Super Modular Rail, DDC 05-283S
MAP
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Geissele
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Odin Works 15.5" O2 Lite M-Lok Free Float Forend F-15-ML-O2
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Odin Works
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Odin Works 12.5" O2 Lite M-Lok Free Float Forend F-12-ML-O2
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Odin Works
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Geissele 9.5" Super Modular Rail MK8 M-LOK, Black - 05-248B
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Geissele
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Geissele 15" Super Modular Rail MK14 M-LOK, Black - 05-575B
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Geissele
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Yankee Hill Machine Rifle Length Diamond Forearm YHM-9635-DX
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Yhm
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Geissele 9.5" Super Modular Rail MK14 M-LOK, Black - 05-578B
MAP
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MAP
Geissele
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Geissele 15" Super Modular Rail MK14 M-LOK, DDC - 05-575S
MAP
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MAP
Geissele
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Geissele 13.5" Super Modular Rail MK14 M-LOK, Black - 05-573B
MAP
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MAP
Geissele
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Angstadt Arms Ultra Light Handguard 10" - Black for All AR Calibers Except .308 Cal - AA010HGMLT
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Angstadt Arms
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Magpul MOE M-LOK AR15/M4 Hand Guard, Gray (Rifle Length)- Mag427-GRY
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Magpul
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Troy Alpha BattleRail No Sight 13", Black - STRX-AL1-13BT-01
$200.00
$152.70
Troy Industries
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Ar-15 M4-Exo3-16 Build Kit - Ar-15 M4-Exo3-16 5.56 Build Kit 16''''
$1,299.99
Sons Of Liberty Gun Works
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Aero Ar-15 Assembled Upper 5.56mm Build Kits - Build Kit 5.56mm Assembled Upper 16'''' Carbine 12'''' Hg Black
Out of Stock
Aero Precision
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Aero Ar-15 Assembled Upper 5.56mm Build Kits - Build Kit 5.56mm Assembled Upper 16'''' Mid-Length 12'''' Hg Black
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Aero Precision
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Ar-15 Super Duty Rifle Build Kit 5.56mm - Ar-15 5.56 Super Duty Rifle Build Kit Odg
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Geissele Automatics
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