The Glock MF10021 is a detachable magazine compatible with Glock G21 and G41 models, featuring a capacity of 10 rounds in .45 ACP caliber. This magazine is constructed from black polymer, ensuring durability and reliability.Key FeaturesCaliber/Gauge: Designed for .45 ACP ammunition.Capacity: Holds 10 rounds for extended shooting sessions.Color: Finished in black for a sleek look.Model Fit: Specifically made for Glock G21 and G41 models.