Patent ID: 8959818
Filing Date: 2015-02-24
Classification: F41A

Abstract:
1. A metal lower receiver for a firearm comprising: a receiver body; a magazine receptacle disposed in the receiver body and adapted to receive a removable cartridge magazine; a magazine securing lever disposed on the receiver body; the receiver body having a feed ramp positioned at a slant relative to a barrel of the firearm; wherein the feed ramp is adapted to lift, during reloading of the firearm, a projectile tip of a cartridge from a removable cartridge magazine inserted into the magazine receptacle and to guide the cartridge in a direction of a cartridge chamber disposed in the barrel of the firearm, wherein the receiver body has a depression and wherein the magazine securing lever has an actuating section that is positioned in the depression of the receiver body and is protected from accidental actuation; wherein the magazine securing lever is provided with bores, wherein the bores each have a different effective spacing relative to an axis of rotation of the magazine securing lever, wherein by applying a release force on the magazine securing lever a cartridge magazine inserted into the magazine receptacle is released, wherein the release force causes the magazine securing lever to rotate about the axis of rotation, and wherein the release force is adjusted by mounting a coil pressure spring in one of said bores or by mounting a coil spring in each one of said bores, respectively.