ProMag RM40 Rollermag 40 Round AR-15 Magazine .223 Remington/5.56 NATO Roller Anti Tilt Follower Technapolymer Flat Dark Earth

Overview

The ProMag RM40FDE is a 40-round detachable magazine designed for the AR-15 platform, chambered in 5.56x45mm NATO. Constructed from Flat Dark Earth DuPont Zytel polymer, this magazine features a specialized roller follower designed to reduce friction and prevent tilting, ensuring consistent and reliable feeding. The internal spring is precision-wound from heat-treated chrome silicon wire, offering anti-fatigue properties that allow the magazine to remain loaded for extended periods without performance degradation. Made in the USA, this high-capacity magazine is suited for training, competition, and tactical use. The polymer construction provides corrosion and UV resistance, while the internal assembly is strictly quality-checked for consistency. Each unit is backed by a manufacturer lifetime guarantee against defects.

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