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B5 Systems AR-15 Sierra K Stock – Black
$49.60B5 Systems Sierra K Receiver ExtensionFits B5 Systems Sierra K ExtensionBlack
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B5 Systems AR-15 Sierra K Stock – Flat Dark Earth
$49.60B5 Systems Sierra K Receiver ExtensionFits B5 Systems Sierra ExtensionFlat Dark Earth
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B5 Systems AR-15 Sierra K Stock – Coyote
$49.60B5 Systems Sierra K Receiver ExtensionFits B5 Systems Sierra ExtensionCoyote
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B5 Systems AR-15 Sierra K Stock – Olive Drab Green
$49.60B5 Systems Sierra K Receiver ExtensionFits B5 Systems Sierra ExtensionOlive Drab Green
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B5 Systems AR-15 Sierra K Stock – Wolf Gray
$49.60B5 Systems Sierra K Receiver ExtensionFits B5 Systems Sierra ExtensionWolf Gray
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