The duramag ss is a purpose built.458 magazine right from the factory designed to be a no hassle solution to feeding these large caliber cartridges.Combining duramags t-360 coating with a single stack advanced geometry follower and a big bore specific everflex spring, these magazines will be your go-to.
Caliber: 458 SOCOM
Capacity: 10rd
Finish: T-360
Model: SS
Material: Stainless Steel
Model Fit: AR-15
Capacity: 10