This is the Mec-Gar 1911 .45 ACP 10 Round Magazine. Constructed from durable stainless steel, this magazine is available a black nitride or classic stainless steel. Paired with its stainless steel and steel wire spring, this magazine promises smooth and reliable feeding, enhancing your shooting experience. A solid steel baseplate adds to the magazine’s durability. Plus, what magazine is complete without convenient witness holes? The ones accompanying this magazine allow for quick and easy round count verification. The Mec-Gar 1911 magazine is the perfect blend of style, reliability, and precision. Buy a couple today!