Ruger Mini 14 20 round steel Promag gun magazines. These are just like the original Factory gun mags and they fit and perform as well. This magazine is made from heat treated steel and has a black oxide finish and uses a chrome silicone spring and a high strength polymer follower. Guaranteed for life. This is our best selling Mini 14 magazine. Don't forget to pick up a loader. Gunclip Depot has the largest selection of Mini 14 magazines and gun clips. 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. Orders shipped within 24 hours except week-ends and holidays.