MD:15 DUTY RIFLE
The Maxim Defense MD:15 Duty is a no-compromise 5.56 NATO rifle engineered for performance in high-pressure, close-quarters environments. Designed with rugged reliability and real-world functionality in mind, it features military-grade materials, an M-LOK™ compatible handguard, a full-length 1913 Picatinny top rail, and enhanced MIL-SPEC lower receiver components. From the A2 flash hider to the free-floated barrel system, every detail is built for accuracy, control, and resilience in the field.
Available with multiple stock configurations—including the B5 Bravo, Gen:7 CQB, and ultra-compact Gen:7 SCW stock—the MD:15 Duty can be tailored for any mission profile. With compressed lengths starting at just 26.125” and weights as low as 5 lbs 10 oz, it offers the maneuverability needed for vehicle operations, CQB, and urban engagements, without sacrificing durability or capability.
NO FLASH. JUST FUNCTION. EVERYTHING YOU NEED. NOTHING YOU DON'T.
Caliber: | 5.56 NATO | ||||
Barrel Lengths: | 8.5" | 10.3" | 11.5" | 14.5" | 16" |
Thread Pitch: | 1/2x28 | ||||
Weight: | 5lb 12oz | 5lb 10oz | 5lb 13oz | 6lbs 3oz | 6lbs 7oz |
Overall Length: | 24.75" | 26.13" - 27.13" | 28.4" | 31.25" | 33" |
Material Composition: | 7075 and 6061 aluminum | ||||
Finish: | Nitride/Type III coat anodize | ||||
Stock Options: | SCW Stock | CQB or B5 Bravo | B5 Bravo | B5 Bravo | B5 Bravo |
*All configurations available in BLACK ONLY.

At Maxim Defense, we take pride in designing and manufacturing high-performance firearms, suppressors and accessories that deliver exceptional reliability and durability. Your feedback and positive reviews are important to us, as they help us continually improve our products. If you experience any issues with your Maxim Defense products, please contact us at info@maximdefense.com, and we’ll work with you to resolve the matter as quickly as possible. Please note that we do not cover damage caused by the installation of other manufacturers’ products.
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