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 Cleaner-Degreaser – 3 oz bottle Slip 2000 – Extreme Weapons Grease in syringe Canik – Barrel – Fits TP9 SFx; TP9 SFL LUTH-AR The Chubby Grip – AR Pistol Grip Part No. 710