The CZ Magazine is a standard factory replacement magazine. This magazine is for CZ P-09 Models chambered in .40 Smith & Wesson and holds 15 rounds of ammunition. It is made from high quality alloy steel. The exterior of the magazine features a matte black finish. Additionally it is worth noting that the magazine is made to CZ USA's specifications and tolerances, using the same manufacturing process and materials as the original equipment magazines which shipped with your firearm. This will ensure not only a perfect fit but exceptional operation.