Maxim SDX508 300BLK 8.5IN Barrel 30 Rounds Arid RLFX Suppressor MXM-49218

Rifle
300 Blackout
Semi-auto
20 rd capacity
8.5" barrel

UPC 00680017492199

Compare prices

1 offer · 1 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$3,325.50	In stock (11)	19m 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 RFLX, Semi-automatic, Short Barrel Rifle, 300BLK, 8.5" Threaded Barrel, Cerakote Finish, Black, Maxim Defense Gen 7 CQB Stock, 30 Rounds, 1 Magazine, ALG Trigger, Includes RFLX Suppressor MXM-49219

Specs

Brand	Maxim
Category	Rifle · Firearms
Caliber	300 Blackout
UPC	00680017492199
Capacity	20
Type	SBR

Model	SDX RFLX
Action	Semi-Automatic
Grip_type	Polymer
Finishcolor	Cerakote
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: $3,325.50
Low: $3,325.50
High: $3,325.50
Tracking since: Oct 8, 2026

One price check so far ($3,325.50 on Oct 8, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 8, 2026, 5:15 PM PT	East Valley Tactical	$3,325.50	In stock

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