AR-STONER AR-15 Complete Upper Receiver 300 Blackout 16" Barrel

Name: AR-STONER AR-15 Complete Upper Receiver 300 Blackout 16" Barrel
Brand: AR-STONER
SKU: BU-300-16

Upper AR-STONER UPC 729205501050

$319.59

Down 16.9% since Nov 1

at MidwayUSA · checked 5 hours ago

Free shipping over $100

12 retailers · $319.59 to $371.99 shipped

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Lowest price across retailers each day.

Lowest seen: $264.42
Typical price: $268.99
Tracked since: Apr 20, 2026

Today's best price is $55.17 above the 208-day low and 19% above typical.

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