Name: Maxim SDX 508 300BLK 8.5" SBR Arid
Brand: Maxim Defense
SKU: r99ca69

Compare prices

1 offer · 1 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$3,793.53	Low (3)	54m ago	Go to deal

Prices and stock are from each retailer's latest check and can change. Price Dope may earn a commission from retailer links. Disclosure

Description

Maxim Defense Industries SDX-508, Semi-automatic Rifle, SBR, 300 Blackout, 8.5" Threaded Barrel, Cerakote Finish, Arid (Flat Dark Earth), 30 Rounds, 1 Magazine, Includes DSX-D Suppressor MXM-49822

Specs

Brand	Maxim Defense
Categories	· Other
Caliber	.300 AAC Blackout (7.62x35mm)
UPC	00680017498221
Capacity	30

Type	SBR
Model	SDX
Action	Semi-Automatic
Grip_type	Polymer
Barrel_length	8.5"

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D.O.P.E.Price history

Lowest price across connected retailers, from every price check we've recorded.

Current best: $3,793.53
Low: $3,793.53
High: $3,793.53
Tracking since: Oct 10, 2026

One price check so far ($3,793.53 on Oct 10, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 10, 2026, 8:10 PM PT	East Valley Tactical	$3,793.53	Low

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