The MAXIM DEFENSE SDX 510 C SBR 5.56 NATO 10.3" is a premium, factory-suppressed short-barreled rifle designed for close-quarters battle and tactical operations. This complete system (model MXM-48226) features a 10.3-inch barrel, an Arid Cerakote finish, an ALG trigger, a two-piece handguard, and comes equipped with the DSX D 5.56 suppressor. Built by Maxim Defense Industries, this SBR delivers exceptional reliability, reduced signature, and out-of-the-box suppressed performance in a compact, highly maneuverable package.
Why Choose the Maxim Defense SDX 510 C SBR?
The Maxim Defense SDX 510 C SBR stands out as a complete, ready-to-deploy suppressed rifle system. Unlike traditional builds that require separate suppressor purchases and additional paperwork, this model comes factory-equipped with the DSX D 5.56 suppressor, providing an optimized gas system and superior sound suppression right out of the box. The 10.3-inch barrel paired with the Arid finish makes this rifle ideal for arid and desert environments, while the ALG trigger and two-piece handguard enhance accuracy and accessory mounting flexibility. This SBR is engineered for professionals who demand maximum performance in a compact package without the need for additional customization.
Key Features of the Maxim Defense SDX 510 C SBR 5.56
- 10.3-Inch Barrel – Compact barrel length optimized for close-quarters maneuverability and ballistic performance
- 5.56 NATO Chambering – Versatile and widely available caliber with excellent terminal ballistics
- DSX D 5.56 Suppressor – Factory-included suppressor optimized for the SDX platform for superior sound reduction
- Arid Cerakote Finish – Premium ceramic coating offering excellent corrosion resistance and a tactical desert/arid appearance
- ALG Trigger – High-performance trigger upgrade delivering a crisp, clean, and consistent pull
- Two-Piece Handguard – Rigid and modular handguard system for easy accessory mounting and maintenance
- 30-Round Magazine Capacity – High-capacity magazine for maximum firepower
- Model MXM-48226 – Official Maxim Defense part number with UPC 680017482268
Performance and Build Quality
The MAXIM DEFENSE SDX 510 C SBR 5.56 NATO 10.3" ARID is built to the highest standards using premium components and precision manufacturing. The 10.3-inch barrel is paired with a gas system specifically tuned for reliable suppressed function with the included DSX D 5.56 suppressor. The ALG trigger provides a smooth, predictable break that enhances accuracy during both slow-fire and rapid engagements. The two-piece handguard offers a rock-solid mounting platform for optics, lights, and other accessories while maintaining a slim profile. The Arid Cerakote finish delivers outstanding protection against harsh environmental conditions. This complete SBR system is designed to deliver consistent, reliable performance whether used suppressed or unsuppressed in demanding tactical environments.
Technical Specifications
| Product Name | Maxim Defense SDX 510 C SBR 5.56 |
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| Model Number | MXM-48226 |
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| UPC | 680017482268 |
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| Caliber | 5.56 NATO |
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| Barrel Length | 10.3 Inches |
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| Capacity | 30 Rounds |
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| Suppressor | DSX D 5.56 Suppressor (Included) |
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| Trigger | ALG Trigger |
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| Handguard | Two-Piece Handguard |
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| Finish | Arid Cerakote |
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| Configuration | Short-Barreled Rifle (SBR) |
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| Best For | Close Quarters, Suppressed Operations, Tactical Use |
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Experience complete suppressed performance in 5.56 NATO.
The Maxim Defense SDX 510 C SBR comes ready to deploy with factory suppressor and premium upgrades.
Important Notice: This product is a short-barreled rifle (SBR) and includes a suppressor. Both are regulated under the National Firearms Act (NFA). Possession requires proper ATF registration, tax stamps, and compliance with all applicable federal, state, and local laws. It is the buyer’s responsibility to know and comply with all applicable laws regarding the purchase, possession, and transfer of NFA firearms and suppressors. Must be 18 years or older (or 21 in some jurisdictions) to purchase. Keep out of reach of children. This product is intended for lawful use only.
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