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

Price history at GritrSports

$110$107Oct 2026Nov 6, 2026

Recorded at GritrSports since Oct 9, 2026: low $106.99 (Oct 31, 2026), high $109.99 (Oct 9, 2026). Last checked Oct 31, 2026.

Product Description

Fully assembled with ZEROED Polymer Dust Cover; Full Mil-Spec 1913 Picatinny top rail; M4 feed ramps; No forward assist for a sleek and stylish look

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

at GritrSports
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$106.99
In Stock at GritrSports
Price checked 6 days ago
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Product Details

Brand Cmmg
Condition new
Cmmg

Price history at GritrSports

$110$107Oct 2026Nov 6, 2026

Recorded at GritrSports since Oct 9, 2026: low $106.99 (Oct 31, 2026), high $109.99 (Oct 9, 2026). Last checked Oct 31, 2026.

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