The DuraMag SS is a purpose-built 10-round detachable magazine designed specifically for .458 SOCOM cartridges in AR-15 type platforms. Constructed from stainless steel and finished in a black matte coating, it offers corrosion resistance and robust service life for large-caliber use. The design incorporates a single-stack Advanced Geometry follower and a big-bore EverFlex spring engineered to support reliable feeding of .458-size rounds. This magazine is intended for use in AR-15 firearms chambered in .458 SOCOM.
Key Specifications
- The magazine holds 10 rounds.
- Chambered for .458 SOCOM.
- Constructed from stainless steel.
- Finished in black matte.
- Designed to fit AR-15 type firearms.
- Overall dimensions are 1.40 x 4.95 x 8.05 inches.
- Features a single-stack Advanced Geometry follower and an EverFlex spring for big-bore feeding.
- Classified as a detachable magazine for AR-15 platforms.
- Made in the USA.
Whether assembling a .458 SOCOM AR-15 or replacing field magazines, the DuraMag SS provides a stainless steel option with a durable finish and components tailored for large-caliber reliability. Its single-stack geometry and spring system focus on consistent feeding of .458 cartridges while the black matte exterior balances durability and low-profile appearance.





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