Patent ID: 8069601

Claim:
An ammunition magazine comprising: a. A casing having a mostly rectangular cross-section with fore and aft sides and two longer lateral sides and first and second open ends, the casing further comprising: i. two guide rails extending a length of the magazine, each one situated along the lateral sides in an interior of the casing, the guide rails extending at least mostly to the first open end and each presenting a flat forward surface, roughly parallel to the fore side; and ii. a ridge, centrally located on an interior side of the fore side and extending to a terminus located at least mostly, but not entirely, to the first open end; b. A follower residing within the casing, said follower further comprising: i. A follower platform with two opposite tines at fore and aft positions and extending generally perpendicularly and distally therefrom; ii. Two side fins situated to interface with the casing's guide rails; c. A floor plate capable of interfacing the casing at the second end; and d. A follower spring residing between the follower and floor plate; wherein the tines and the side fins limit rotation of the follower within the casing.