Patent ID: 8919021

Claim:
A method comprising: a. inserting only a detachable double-stacked magazine, with staggered stored cartridges, into a magazine well opening of a receiver of a bolt-action rifle, wherein: i. the magazine has four substantially closed sides, a closed bottom and an open top; ii. the open to has a rectangular opening and includes two feed lips, which project into the rectangular opening; iii. the magazine has an internal spring which urges a follower, without any moving parts, toward the open top; iv. the spring and follower urge all of the staggered cartridges as a group up against the feed lips without the assistance of any additional device, inside the magazine, moving any of the cartridges toward the top, wherein longitudinal axes of the cartridges are substantially parallel to a direction of travel of the follower; and v. the feed lips act as stos for the cartridges so that they are not expelled from the magazine; b. attaching the inserted magazine to the receiver; c. moving a breech bolt of the rifle forward, in and through the receiver, to load a top cartridge from the double-stacked magazine into a firing chamber of the rifle; i. upon the breech bolt moving forward in the receiver, engaging a rim of the top cartridge in the double-stacked magazine by a first protrusion, integral with and extending outwardly from a bottom of a breech bolt head, adjacent feed lips of the inserted magazine; d. moving the breech bolt backwards, away from the chamber, through the receiver; and e. moving the breech bolt forward again, in and through the receiver, to load a next top cartridge from the double-stacked magazine into the firing chamber; i. upon the breech bolt moving forward again in the receiver, engaging a rim of a next top cartridge in the magazine by a second protrusion integral with and extending outwardly from a bottom of a breech bolt head of the rifle, adjacent feed lips of the inserted magazine, wherein the second protrusion is radially spaced apart from the first protrusion on the breech head.