| Brand | Other |
| SKU | — |
| UPC | — |
| Action | Double Action |
| Finish | Flat Dark Earth |
| Capacity | 30+1 |
| Grip Safety | No |
| Optic Ready | Yes |
| Barrel Length | 8.5 inches |
| Manual Safety | Yes |
| Trigger Safety | No |
| Caliber / Gauge | .300 Blackout |
| Threaded Barrel | Yes |
| Condition | New |
Other
Maxim Defense SDX-508 .300 Blackout Flat Dark Earth Rifle
★ — (0 reviews)
Out of Stock
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Firearms ship to the FFL dealer you name at checkout. Price and stock are re-checked live when you order.
The Maxim Defense SDX-508 is a compact 8.5-inch SBR built in 300 AAC Blackout for fast handling and suppressor compatibility. Configured with a threaded barrel and Arid/Flat Dark Earth finish, it’s designed around reliable semi-automatic performance and practical duty use.
Key features
- 8.5-inch threaded barrel for suppressor mounting compatibility
- 300 AAC Blackout chambering for versatile close-range performance
- Compact SBR configuration for improved maneuverability
- Flat Dark Earth (Arid) finish for a durable, practical look
- Semi-automatic rifle platform with standard AR-style manual controls
If you want a compact 300 AAC Blackout SBR built for suppressor use, the SDX-508 is a strong choice—add it to your setup and get to the range.
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