Home / AR's / ETS – Glock magazine – fits glock 21 .45 cal – 18 rd capacity (fits 21, 30, 41) – ETS – Glock magazine – fits glock 21 .45 cal – 18 rd capacity (fits 21, 30, 41) – Category: AR's Product ID: 12517 Description Description ETS – Glock magazine – fits glock 21 .45 cal – 18 rd capacity (fits 21, 30, 41) – Related products Birchwood Casey Presto Mag – Liquid Gun Blue – 3 oz bottle Redfield Scope Rings – Fits Weaver – Top Mount Bases – For objective lens diameters up to 44mm – High Matte 1″ – Part No. 47316 – Redfield Scope Rings – Fits Weaver – Top Mount Bases – For objective lens diameters up to 40mm – Medium Matte 30mm – Part No. 47323 – Birchwood Casey Perma Blue – Liquid Gun Bluing – 3 oz bottle