ProMag AR-10 .308 Win / 7.62x51mm 30rd Polymer Magazine Overview: The ProMag AR-10 30-round magazine is an extended-capacity magazine designed for AR-10 and SR-25 pattern rifles chambered in .308 Winchester / 7.62x51mm NATO. Built from reinforced polymer with steel internal components, it is intended for range use, training, and general-purpose rifle setups requiring higher ammunition capacity. Key Features: 30-round capacity: Extended magazine capacity for AR-10 platform rifles. DuPont Zytel polymer body: Lightweight, impact-resistant construction for durability in field use. Steel spring system: Heat-treated spring ensures consistent feeding under sustained fire. Polymer follower: Injection-molded follower improves cartridge alignment and cycling reliability. Textured grip surface: Aggressive surface pattern enhances handling during reloads. Multi-caliber compatibility: Supports .308 Winchester, 7.62x51mm NATO, and 6.5 Creedmoor platforms. Lifetime warranty: Backed by ProMag replacement guarantee. Specifications: Manufacturer: ProMag Category: Rifle Magazine Platform: AR-10 / SR-25 pattern Caliber: .308 Win / 7.62x51mm NATO / 6.5 Creedmoor Capacity: 30 Rounds Material: DuPont Zytel Polymer Follower Type: Injection-Molded Polymer Spring Material: Heat-Treated Steel Color: Black Applications: Range shooting: High-capacity use for extended firing sessions Training: Reduces reload frequency during drills General-purpose rifle use: Suitable for compatible AR-10 platforms Backup magazine option: Cost-effective high-capacity alternative Additional Features: Lightweight construction: Easier carry compared to all-metal designs Improved handling: Textured surface aids in fast reloads Field durability: Designed for repeated use in demanding environments Drop-in compatibility: Fits AR-10 pattern systems (platform dependent) SKU: DPM-A2-1UPC: 708279012884