Product Description
The ProMag AR-15 5.56mm Roller Follower magazine delivers extended capacity and dependable feeding for AR-15 style rifles. Built with a durable black polymer body and steel-lined reinforced areas, it features a patented anti-tilt roller follower and a precision-wound spring made from heat-treated chrome silicon wire for long-term reliability. Made in the USA and backed by ProMag’s lifetime guarantee against manufacturer’s defects.
Product Highlights
- High-capacity 40-round AR-15 / 5.56mm magazine for fewer reloads at the range
- Patented anti-tilt roller follower promotes smooth, consistent feeding
- Steel-lined reinforced feed lips and magazine catch area for added durability
- Proprietary DuPont™ Zytel®-based polymer body in black for rugged, lightweight performance
- Heat-treated chrome silicon wire spring for long-term reliability
Specs
- Brand Name: ProMag Industries
- Manufacturer Part Number: RM-40-SL
- UPC: 708279014512
- Platform Fit: AR-15® 5.56mm rifles
- Caliber: 5.56mm / 5.56 NATO
- Capacity: 40 rounds
- Color/Finish: Black
- Body Material: Polymer (DuPont™ Zytel®-based polymer)
- Reinforcement: Steel-lined / over-molded stamped steel feed lips and magazine catch
- Follower: Patented anti-tilt roller follower
- Spring Material: Heat-treated chrome silicon wire
- Country of Manufacture: USA
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