Maxim Defense MD15 Duty 5.56 NATO Rifle 16-Inch Black

The Maxim Defense MD15 Duty is a 5.56 NATO AR-15 (brand part no. MXM49160) from Maxim Defense Industries, built with a 16-inch black nitride threaded barrel and a black anodized aluminum receiver topped with a full Picatinny rail. An M-LOK handguard gives shooters room to mount lights, optics accessories, and grips, while the B5 Systems Bravo stock and black polymer grip provide a duty-ready, no-frills furniture setup. As a semi-auto rifle-length build, it is suited for range training, home defense, or as a dependable duty-style rifle for shooters who want a proven AR-15 without unnecessary extras.

Key Specifications

• Chambered in 5.56 NATO / .223 Remington, the standard AR-15 cartridge with wide ammunition availability.
• Fitted with a 16-inch barrel for standard AR-15 rifle-length balance.
• Finished in black nitride for corrosion resistance on the barrel.
• Threaded at the muzzle to accept a muzzle device.
• Built with a black anodized aluminum receiver topped with a full Picatinny rail.
• Uses an M-LOK handguard for mounting lights, grips, and other accessories.
• Fitted with a B5 Systems Bravo stock for a duty-ready, adjustable setup.
• Fitted with a black polymer grip.
• Operates as a semi-auto action, cycling one round per trigger pull.

Frequently Asked Questions

What barrel length does the MD15 Duty have? It ships with a 16-inch black nitride threaded barrel.

What handguard system does it use? It uses an M-LOK-compatible handguard for mounting lights, optics accessories, and grips.

Buy the Maxim Defense MD15 Duty 5.56 NATO Rifle 16-Inch Black

Add the Maxim Defense MD15 Duty 5.56 NATO Rifle to your safe through Schaefer Defense for a proven, duty-ready AR-15. Browse more configurations in our AR-15 rifles lineup, then order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.