Maxim Defense SDX 508-SBR 5.56 NATO Suppressed Short-Barreled Rifle – 8.5 Inch Barrel, 30 Round, Urban Grey Finish, DSX-D 5.56 Suppressor (MXM-49782)
The Maxim Defense SDX 508-SBR is a complete, factory-suppressed short-barreled rifle chambered in 5.56 NATO. This MXM-49782 model combines an ultra-compact 8.5-inch barrel with Maxim’s integrated DSX-D 5.56 suppressor, delivering exceptional sound reduction and maneuverability in one ready-to-use package. Finished in Urban Grey with premium components including an MD-CQB stock, ALG trigger, and SDX two-piece handguard, the SDX 508-SBR represents the pinnacle of modern suppressed SBR design.
Integrated DSX-D 5.56 Suppressor System
At the heart of this rifle is the DSX-D 5.56 suppressor, purpose-built by Maxim Defense for the 5.56 NATO platform. The suppressor is seamlessly integrated with the 8.5-inch barrel, creating a compact overall package that significantly reduces muzzle blast and signature. This factory-integrated system ensures optimal alignment, reliability, and sound suppression without the need for additional adapters or modifications. The result is a highly maneuverable suppressed SBR that excels in close-quarters and confined-space operations.
Key Features of the Maxim Defense SDX 508-SBR 5.56 NATO
- 5.56 NATO Caliber – Versatile and widely available cartridge suitable for tactical, training, and defensive applications.
- 8.5-Inch Barrel – Ultra-compact barrel length optimized for maximum maneuverability in tight spaces.
- DSX-D 5.56 Suppressor – Factory-integrated suppressor delivering exceptional sound reduction and reduced muzzle flash.
- Urban Grey Finish – Modern Urban Grey coating provides excellent corrosion resistance and a tactical, low-visibility appearance.
- MD-CQB Stock – Compact and durable stock designed for close-quarters battle and improved handling.
- ALG Trigger – High-quality ALG trigger for a crisp, consistent pull and improved accuracy.
- SDX Two-Piece Handguard – Lightweight, modular two-piece handguard for easy accessory mounting.
- 30-Round Magazine Capacity – High-capacity magazine for extended shooting sessions and tactical readiness.
- Model Number: MXM-49782
- UPC: 680017497828
Technical Specifications
| Specification | Details |
|---|
| Caliber | 5.56 NATO |
| Barrel Length | 8.5 Inches |
| Suppressor | DSX-D 5.56 |
| Finish | Urban Grey |
| Stock | MD-CQB |
| Trigger | ALG |
| Handguard | SDX Two-Piece |
| Magazine Capacity | 30 Rounds |
| Configuration | Short-Barreled Rifle (SBR) |
| Model | SDX 508-SBR / MXM-49782 |
| UPC | 680017497828 |
Why Choose the Maxim Defense SDX 508-SBR in Urban Grey?
The SDX 508-SBR stands out as a complete suppressed SBR solution that requires no additional NFA paperwork or modifications after purchase (subject to local laws). The integration of the DSX-D suppressor with the short 8.5-inch barrel creates a highly compact and balanced rifle that is easy to maneuver in vehicles, buildings, or dense environments. The Urban Grey finish, combined with the MD-CQB stock and ALG trigger, provides a modern, professional-grade platform that performs reliably under demanding conditions while offering a distinctive tactical appearance.
Ideal Applications
This suppressed SBR excels in close-quarters battle (CQB), home defense, tactical training, and vehicle operations where a compact, quiet platform is essential. The 5.56 NATO caliber offers excellent terminal performance, while the integrated DSX-D suppressor significantly reduces noise and muzzle flash. The SDX two-piece handguard allows for easy mounting of lights, lasers, and other accessories, making the SDX 508-SBR highly adaptable to various mission requirements.
Quality Engineering from Maxim Defense
Maxim Defense is known for producing innovative, high-quality suppressed weapon systems. The SDX 508-SBR showcases their expertise in designing complete, ready-to-use suppressed firearms. Every component—including the DSX-D suppressor, ALG trigger, and MD-CQB stock—has been carefully selected and integrated to deliver consistent performance, reliability, and accuracy in a compact package.
Experience the ultimate in compact suppressed performance with the Maxim Defense SDX 508-SBR. Featuring an 8.5-inch barrel, integrated DSX-D 5.56 suppressor, Urban Grey finish, and premium components (MXM-49782 / UPC 680017497828), this rifle is the perfect choice for shooters seeking a high-performance, factory-suppressed short-barreled rifle.
