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CMMG Mk4/AR15 Armor Black Upper Receiver Assembly (55BA290-AB)

CMMG Mk4/AR15 Armor Black Upper Receiver Assembly (55BA290-AB)

Lowest Listed Price

$109.99

MSRP

$109.99

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1 Stores

Updated

Aug 26, 2026

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Shop CMMG Mk4/AR15 Armor Black Upper Receiver Assembly (55BA290-AB). Buy best AR Uppers from gritrsports.com | Reviews and Shipping options available

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