This listing is for ONE Magazine. Here are precision made Triple K Magazines for Mossberg 140 series, clip fed bolt action and 150 series semi automatic rimfire rifles that were manufactured from 1957 until 1985. Manufacturer is Triple K of San Diego. Construction is one piece folded steel body, with tig welded back seam and with detent sleeve plate affixed to the back by a 4 position weld. Right side of the body has two ports for remaining round count purposes. Cartridge follower and floorplate are steel, as is the bench tested spring. Finish is brushed surface blued steel. This magazine is designed for Mossberg models 140B 140K 142A 142K 144 144LS 144LS-A 144LSB bolt action; and 152 152K semi auto rifles manufactured by O.F. Mossberg and so marked. We are unaware of any store crossover brand variants of these rifles. Each magazine holds 10 rounds of .22 Long Rifle ammunition. They will only fit the rifle models we have named, manufactured from 1957 until 1985, that will accept a detachable magazine. They will not to our knowledge fit any other rifle. Each magazine comes lubricated and in its factory Triple K package.. >>>>> $5 First Class Mail, or $12 Priority. Buy 3 Ships Free: Combine any 3 of our items, and get free shipping. Excludes long gun barrels, swords and gun cases. $20 Priority on those, combined. >> No Returns on this new factory item. It has a factory warranty. Robertson Trading Post, on Historic Front Street in Henderson Tennessee, in Elvisland, 90 miles east of Memphis and 75 miles north of Tupelo. We've been around here since 1952. >>> We don't trade grips, holsters, scope mounts, parts, or magazines unless there's a lot of them. >>> (California) WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to