DoubleStar 7.5in .300 Blackout AR Pistol Upper Complete HBAR M4 Feed Ramps 1x8 Twist Black

Upper Doublestar UPC 841348104797 MPN ARBU240C SKU SR4-UFH-ARBU240C-ARBU240C

DoubleStar 7.5in .300 Blackout AR Pistol Upper Complete HBAR M4 Feed Ramps 1x8 Twist Black
$638.99 Out of stock

at Optics Planet

Free shipping over $49

Restock alert

Firearm Data Lab may earn a commission when you buy through this retailer link. Commissions never change a price or move a cheaper listing below a pricier one. When two retailers tie exactly, the one that pays us a commission is listed first.

Price history

Lowest seen
$638.99
Typical price
$638.99
Tracked since
Oct 29, 2026

The advertised price has held at $638.99 since tracking began on Oct 29, 2026; no price changes recorded.

Embed this chart

A live price-history image, updated as we track new prices. Paste the snippet that matches where you're posting.

Restock alert One email when this is back in stock. Free. No account needed.