ProMag AR-15 Rollermag 5.56 Nato / .223 Rem 30rd Magazine Overview: The ProMag AR-15 Rollermag is a 30-round aftermarket magazine designed for AR-15 platforms chambered in .223 Remington / 5.56 NATO. It focuses on improved feeding consistency through a roller-style follower system and reinforced polymer construction. Key Features: 30-round capacity: Standard high-capacity AR magazine for training and range use. AR-15 platform compatibility: Designed for AR-15 / M4-style rifles and compatible calibers. DuPont Zytel polymer body: Lightweight, impact-resistant construction for durability. Roller-style anti-tilt follower: Helps reduce friction and improve feeding consistency. Chrome silicon wire spring: Heat-treated spring for reliable long-term cycling. Ribbed exterior design: Textured surface improves grip during reloads. Corrosion-resistant materials: Polymer construction resists rust and environmental wear. Lifetime warranty: Backed by ProMag replacement guarantee. Specifications: Manufacturer: ProMag Model: Rollermag (RM-30) Category: Rifle Magazine Caliber: .223 Remington / 5.56 NATO (also compatible with .223 Wylde, .300 BLK) Capacity: 30 Rounds Material: DuPont Zytel Polymer Follower Type: Anti-tilt roller polymer follower Spring Material: Chrome Silicon Wire Applications: Range training: Smooth-feeding design for extended shooting sessions Recreational shooting: Reliable magazine for AR platform use Multi-caliber AR setups: Compatible with common AR-15 chamberings Spare magazine storage: Lightweight, corrosion-resistant backup option Additional Features: Roller follower system: Designed to reduce internal drag during feeding Enhanced grip texture: Ribbed body aids handling under stress Drop-in AR compatibility: Works with standard AR-15 magazine wells Lightweight build: Polymer construction reduces carried weight MPN: RM-30