Mission First Tactical builds the Extreme Duty magazine (part no. EXDPM556) for AR-15/M4 platform rifles chambered in 5.56x45mm/.223 Remington, using a next-generation long glass fiber polymer the company rates as 50 percent stronger and 3 times more impact resistant than traditional nylon magazine bodies. It’s built to exceed demanding military performance specifications, while still fitting a wide range of non-AR-15/M4 platforms that accept standard AR magazines. Features include ribbed front and rear gripping surfaces, a long-life USGI-spec stainless steel spring, a four-way anti-tilt self-lubricating follower, a flared floor plate, an oversized bolt catch, a paint pen dot matrix for marking, and a tool-less disassembly design with double floor plate safety release tabs. At 8.4 inches overall and shipped bagged, it holds a full 30 rounds. For Mission First Tactical owners who want a mil-spec-tested magazine, this AR-15 magazine is built to a demanding standard.

Key Specifications

• Chambered in 5.56x45mm/.223 Remington.
• Holds a full 30 rounds.
• Built from next-generation long glass fiber polymer, rated 50% stronger and 3x more impact resistant than traditional nylon.
• Features ribbed front and rear gripping surfaces.
• Runs a USGI-spec stainless steel spring for long service life.
• Uses a four-way anti-tilt, self-lubricating follower.
• Includes a flared floor plate and oversized bolt catch.
• Features a paint pen dot matrix for marking.
• Offers tool-less disassembly with double floor plate safety release tabs.
• Measures 8.4 inches in overall length.

Frequently Asked Questions

What makes the Extreme Duty polymer different? MFT rates it 50 percent stronger and 3 times more impact resistant than traditional nylon magazine bodies.

Can this be disassembled without tools? Yes, it features tool-less disassembly with double floor plate safety release tabs.

Does this fit rifles besides the AR-15/M4? Yes, it’s designed to also work with a wide range of non-AR-15/M4 platforms that accept standard AR magazines.

Buy the MFT Extreme Duty AR-15 Magazine

Built to exceed military specifications with a stronger polymer body and a self-lubricating follower, this Mission First Tactical magazine is a serious upgrade for any AR-platform rifle. Order it from our Lubbock, Texas gun shop for fast, insured shipping.