CMMG 55CA6C7 Receiver Extension Kit includes Carbine Style Buffer Action Spring for for AR15

Gun Parts Cmmg UPC 815835017389

CMMG 55CA6C7 Receiver Extension Kit includes Carbine Style Buffer Action Spring for for AR15

$52.99

at Good 4 Guns · checked 10 minutes ago

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11 retailers · $68.11 to $69.79 shipped

This listing: Ammunition Depot $84.49

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Price history

Lowest price across retailers each day.

Lowest seen: $52.99
Typical price: $57.46
Tracked since: Apr 9, 2026

Today's best price matches the 213-day low and is 8% below typical.