Designed to fit your M1 Carbine chambered in .30 Carbine, this magazine provides smooth and reliable feeding. Constructed of steel with an electroplated finish, using a high-tensile strength compression spring and a bolt hold-open follower provides for long and reliable life.#html-body [data-pb-style="62DF828AA6992"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF828AA699F"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}