Attributes:
- ADDITIAL FEATURE 1: Anti-Tilt Roller Follower
- CALIBER/GAUGE: 223 Rem / 5.56 NATO
- CAPACITY: 40
- DESCRIPTION: 40RD BK POLY|ROLLER FOLLOWER
- FAMILY: AR-15 Rifle Series
- MANUFACTURER: ProMag
- MANUFACTURER MODEL NUMBER: RM-40
- MODEL: AR-15 Polymer Rifle Magazine
- UPC: 708279012549
