The Amend2 Firearms 556MODCSMK30 is our brand new 30-round magazine, part of the Mod-C series. Crafted from a newly enhanced translucent polycarbonate material, this piece offers superior resistance to heat and chemicals when compared to other available materials. It boasts of our dependable 4-way anti-tilt, self-lubricating follower and a robust, non-corrosive, non-memory spring.True to the Amend2 tradition, this product is designed and manufactured in the USA, using domestic parts and expertise. As with all Amend2 products, this magazine comes with the assurance of our limited lifetime warranty.Key Features:- 30-round magazine capacity- Made from a robust polymer material that resists heat and chemical damage, providing a textured grip- Reliable 4-way anti-tilt follower- Heavy-duty, non-corrosive, non-memory stainless steel spring- Proudly made in the U.S.A.