DuraMag SS AR-15 400 Legend 10-Round Stainless Magazine

The DuraMag SS is a 10-round stainless steel magazine for AR-15 pattern rifles chambered in 400 Legend. It is built from 410 stainless steel with a black T-360 coating and is marked with 400 on the body and follower for quick identification.

The retailer text states the magazine has .400-specific rib geometry intended to support reliable feeding and round stack. It is described as suitable for extended storage while loaded, and as not flexing or swelling like polymer magazines under those conditions. Capacity is 10 rounds.

• Brand: DuraMag
• Model: SS
• Platform: AR-15
• Caliber: 400 Legend
• Capacity: 10 rounds
• Material: 410 stainless steel
• Finish: Black T-360 coating
• Marking: 400 on body and follower