US 11,859,936 B2
Ammunition magazine and follower configured to chamber an ammunition cartridge without contacting the bullet portion of the cartridge
Kevin Philbin, Glenview, IL (US); Scott Richard Gherardini, Hoffman Estates, IL (US); and Michael Burke Irwin, Bagdad, KY (US)
Assigned to Superior Feed Technologies, LLC, Glenview, IL (US)
Filed by Superior Feed Technologies, LLC, Glenview, IL (US)
Filed on Jan. 14, 2021, as Appl. No. 17/149,313.
Claims priority of provisional application 63/059,853, filed on Jul. 31, 2020.
Claims priority of provisional application 62/984,294, filed on Mar. 2, 2020.
Claims priority of provisional application 62/961,328, filed on Jan. 15, 2020.
Prior Publication US 2021/0389068 A1, Dec. 16, 2021
Int. Cl. F41A 9/70 (2006.01); F41A 17/38 (2006.01)
CPC F41A 9/70 (2013.01) [F41A 17/38 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An ammunition magazine configured to bottom-feed a plurality of ammunition cartridges into an upper receiver of a firearm, each ammunition cartridge comprising a bullet, the ammunition magazine comprising:
a magazine housing including a catch and a floor plate receiver;
a spring within the magazine housing;
a floor plate retainer disposed at a bottom end of the spring;
a floor plate disposed at a bottom end of the magazine housing and reversibly mated with the floor plate retainer; and
a magazine follower disposed at a top end of the spring, the magazine follower including:
a cartridge-shaped protrusion on a top surface,
a ramp on the top surface and disposed adjacent to the cartridge-shaped protrusion, and configured to direct a cartridge from the ammunition magazine to an upper receiver portion of an associated firearm without enabling contact between any portion of the bullet of the ammunition cartridge and a feed ramp portion of the receiver,
a front leg disposed on a distal end of the magazine follower, and
a rear leg disposed generally opposite the front leg.