Abstract: A metal lower receiver for a firearm has a receiver body. A magazine receptacle is disposed in the receiver body and adapted to receive a removable cartridge magazine. A magazine securing lever is disposed on the receiver body. The receiver body has a feed ramp positioned at a slant relative to a barrel of the firearm. 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.

Abstract: A metal trigger for a firearm has a trigger body. A magazine receptacle is disposed in the trigger body and adapted to receive a removable cartridge magazine. A magazine securing lever is disposed on the trigger body. The trigger body has a feed ramp positioned at a slant at a ramp angle relative to a barrel of the firearm. 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.