DURAMAG DuraMag SS Magazine AR-15 .400 Legend 5-Round

The DURAMAG DuraMag SS is a purpose-built 5-round magazine for .400 Legend chambered AR-15 style firearms. It uses caliber-specific internal rib geometry to promote reliable feeding and cartridge stacking. Constructed and finished for durability, the magazine is marked for quick identification and designed for safe long-term storage while loaded.

Key Specifications

• The magazine capacity is 5 rounds.
• The cartridge/caliber is .400 Legend.
• Construction material is 410 Stainless Steel.
• The exterior finish is Black Matte.
• Compatibility is listed as AR-15 type firearms.
• Included follower color is orange for quick visual identification.
• Exterior dimensions are 1.30 x 4.70 x 4.65 inches as listed.
• Product weight is listed as 0.25 (value provided in source data).
• Coating and longevity features include the T-360 coating for corrosion resistance.
• Manufacturing origin is listed as Made in USA.

Built for shooters who require a compact, caliber-specific option for .400 Legend AR-15 platforms, the DURAMAG DuraMag SS delivers durable stainless construction, corrosion-resistant coating, and geometry tailored for reliable feeding. Its compact five-round format and clear visual identification make it suitable for range use, hunting-compliant configurations, and dedicated caliber builds where dependable magazine performance is required.