Glock 21, 21C, 21SF, 41 10 Round .45 ACP Generation 4 magazine G21 Glock-MF10021. This 10 round Factory GLOCK Generation 4 magazine will fit the following models: G21, G21C, G21SF, G41: G21 Glock-MF21113. They also fit the G30 as and extended magazine with the XGrip Adapter: XGGL29-30.
- Model: Glock-MF10021
- Manufactured by: GLOCK