

Product Description
The ProMag AR-15 Roller Follower magazine is built for dependable feeding and long-term performance in AR-15 5.56mm/.223 rifles. It features a rugged polymer body in Flat Dark Earth (FDE) and a patented anti-tilt roller follower designed to promote smooth, consistent cartridge presentation. A heat-treated chrome silicon spring supports reliable function, and the magazine is made in the USA and backed by ProMag’s lifetime guarantee against manufacturer’s defects.
Product Highlights
- 40-round AR-15 5.56mm/.223 capacity for fewer reloads at the range
- Patented anti-tilt roller follower helps promote smooth feeding and consistent cycling
- Durable polymer magazine body (DuPont™ Zytel®-based polymer) in Flat Dark Earth (FDE)
- Precision-wound, heat-treated chrome silicon spring for long-term reliability
- Made in the USA and backed by a ProMag lifetime guarantee against manufacturer defects
Specs
- Brand Name: ProMag Industries
- Manufacturer Part Number: RM-40-FDE
- UPC: 708279014093
- Platform Compatibility: AR-15® / 5.56mm rifles (also commonly used with .223 Remington)
- Capacity: 40 rounds
- Body Material: Polymer (DuPont™ Zytel®-based polymer)
- Follower: Patented anti-tilt roller follower
- Spring Material: Heat-treated chrome silicon wire
- Color: Flat Dark Earth (FDE)
- Country of Manufacture: USA
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