This is a ProMag® BLUED STEEL 15-round magazine for Smith & Wesson® SD40 pistols
These standard capacity 15-round steel ProMag magazines are a perfect upgrade for your SD40 pistol! They’re crafted from heat-treated, blued steel with rugged Zytel™ polymer baseplates & followers, along with chrome silicon internal springs for reliable feeding and maximum service life. Blending Glock®-inspired design & features with classic 1911 styling and 165 years of expertise, Smith & Wesson SD series of striker-fired pistols delivers reliable, all-American performance at a price that’s hard to beat.