Maxim Defense Industries SDX-508 SBR .300 AAC Blackout 8.5 Threaded Barrel 30-Rounds w/ DSX-D Suppressor

Barrel Maxim Defense Industries UPC 680017498238

Maxim Defense Industries SDX-508 SBR .300 AAC Blackout 8.5 Threaded Barrel 30-Rounds w/ DSX-D Suppressor
$3,325.50 Out of stock Bundle offer

at Kentucky Gun Co

Price last checked 3 days ago

View at Kentucky Gun Co →

2 retailers · none in stock

This listing: GrabAGun $3,369.99, out of stock

Restock alert

Firearm Data Lab may earn a commission when you buy through this retailer link. Prices and rankings are never influenced by commissions.

Offers

MAXIM DEFENSE SDX 508 300 Blackout SBR 8.5" Black
Kentucky Gun Co Out of Stock Checked 3 days ago
$3,325.50 History
Maxim Defense Industries SDX-508 SBR .300 AAC Blackout 8.5 Threaded Barrel 30-Rounds w/ DSX-D Suppressor
GrabAGun Out of Stock Checked 5 days ago SKU GAG_MXM49823
$3,369.99 History

Price history

Lowest price across retailers each day.

Lowest seen
$3,325.50
Typical price
$3,369.99
Tracked since
Oct 19, 2026

Today's best price matches the 11-day low and is 1% below typical.

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.