Other Details Manufacturer: ProMag Manufacturer Part Number: RM-15 Additional Feature 1: AR-15 Mag w/ Roller Follower Adjustable Objective: False Brand Fit: AR-15 Platform Caliber/Gauge: .223 REM/5.56 NATO canDropship: True Capacity: 15 Drilled and Tapped: False Finish: Black Illuminated Reticle: False Material: DuPont Zytel Polymer Model: Standard Model Fit: AR-15 Product Type: Accessory-Magazines Scope Cover Included: False