CMMG Mk4/AR15 Midnight Bronze Lower Receiver (55CA102-MB)
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$118.99
MSRP
$118.99
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1 Stores
Updated
Aug 26, 2026
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Shop CMMG Mk4/AR15 Midnight Bronze Lower Receiver (55CA102-MB). Buy best Lower Receivers & Frames from gritrsports.com | Reviews and Shipping options available