Glock 21 Factory 10 Round 45 ACP Magazine

This is a Glock factory replacement magazine for Glock model 21 guns. This magazine holds 10 rounds of .45 acp ammunition and is made in the same factory using the same processes as the magazines that came with the gun. FREE shipping on orders over $75! Orders shipped within 24 hours except week-ends and holidays. Gunclip Depot has the largest selection of Glock Magazines. If you do not see the gun magazine you are looking for send us an email and we will try to locate it for you.