DuraMag builds the SS (part no. 3023041175CPD) for serious shooters who need maximum durability from an AR-15 magazine, chambered for .223 Remington, 300 Blackout, and 5.56x45mm NATO. It is constructed from premium 410 stainless steel with DuraMag’s T-360 coating for smooth cycling and long-term reliability.

Key Specifications

• Chambered for .223 Remington, 300 Blackout, and 5.56x45mm NATO.
• Holds 30 rounds.
• Body is premium 410 stainless steel.
• Uses advanced interior/exterior geometry for reliable feeding.
• Finished with DuraMag’s T-360 coating for smooth cycling and longevity.
• Follower is black.
• Detachable, drop-free design.
• Built for the AR-15 platform magazine well.
• Manufactured by DuraMag.

Frequently Asked Questions

Does this work with 300 Blackout as well as 5.56? Yes, DuraMag lists the SS as compatible with .223 Remington, 300 Blackout, and 5.56x45mm NATO.

What does the T-360 coating do? It’s DuraMag’s proprietary coating for smoother cycling, easier loading, and added corrosion resistance over the bare stainless body.

Buy the DuraMag SS AR-15 30-Round Stainless Magazine

Order it from our Lubbock, Texas gun shop. Browse our full AR-15 magazines selection.