Upper Parts

Knights Armament Company URX 4 556 Rail, 13", MLOK Rail Adapter Sys...
$
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Knights Armament Company URX 4 556 Rail, 10.75", MLOK Rail Adapter ...
$
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Knights Armament Company Tool Barrel Nut Wrench Black URXII/III/3.1...
$
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Knights Armament Company 5.56 MAMS (Mulit-Axis Muzzle Stability) Fl...
$
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Knights Armament Company M4QD Muzzle Brake 416r Stainless Steel Bla...
$
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Knights Armament Company URX 4 556 Rail, 10", MLOK Rail Adapter Sys...
$
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Knights Armament Company 556QDC Flash Eliminator Kit Flash Hider 41...
$
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Knights Armament Company URX 4 556 Rail, 8.5", MLOK Rail Adapter Sy...
$
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Knights Armament Company URX 3/3.1 12 Piece Rail Panel Kit, Black F...
$
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