The Magpul Industries MAG1465-SST AMAG 21 Round SIG P320 9mm Magazine delivers unmatched performance and reliability, engineered for the discerning firearm enthusiast. Constructed from corrosion-resistant stainless steel, this magazine is designed to withstand the rigors of use while ensuring smooth operation. The high-visibility follower and robust design make it an essential accessory for SIG P320 owners. Corrosion-resistant stainless-steel magazine body for reliable function High-visibility controlled-tilt follower for consistent feeding Stainless-steel spring engineered for longevity and durable performance Flared, easily removable floorplate for field maintenance and cleaning Capacity indicators from five rounds and to single-round intervals Paint-pen dot matrix for load marking and fast in-use identification Invest in the Magpul AMAG for durability and efficiency in every shot.