The CZ P-09 F Nocturne 9 mm 21-Round Extended Pistol Magazine is a high-capacity replacement magazine designed for use with CZ P-09 F series 9 mm pistols. It holds 21 rounds of 9×19 mm ammunition, providing increased capacity over standard magazines, and features a rugged construction for reliable feeding and smooth operation. The extended design also offers improved grip purchase for many shooters, enhancing control and handling during rapid reloads and sustained fire. Finished to complement Nocturne-style pistols, this magazine is a dependable choice for range training, competition, or defensive carry.