Universal systems and methods for adjustably limiting capacity of firearm magazines

A firearms magazine having a universal capacity limiting assembly configured to limit a cartridge capacity of the firearm magazine, the firearms magazine comprising:

• a magazine body;
• a cartridge follower;
• a magazine spring;
• a magazine floor plate;
• a configurable magazine capacity limiter body having a top edge configured to securely operate with a cartridge follower of a firearm magazine, the cartridge follower configured to be operatively coupled to a top of a magazine spring of the firearm magazine, wherein the limiter body is configured to be installed substantially within coils of the magazine spring, and wherein the limiter body is further configured to limit the travel of the magazine follower within the magazine body thereby limiting a cartridge capacity of the firearm magazine, and
• wherein a lower portion of the limiter body includes a plurality of removable extensions configured to be severed at a corresponding plurality of pre-determined locations thereby enabling a corresponding plurality of cartridge capacities for the firearms magazine.

A universal adjustable magazine capacity limiting assembly kit configured to limit a cartridge capacity of a firearm magazine having a magazine body, a magazine spring, a cartridge follower and a magazine floor plate, the magazine capacity limiting assembly comprising:

• an interchangeable magazine capacity limiter body having a top edge configured to securely operate with a cartridge follower of a firearm magazine, the cartridge follower configured to be operatively coupled to a top of a magazine spring of the firearm magazine, wherein the limiter body is configured to be installed substantially within coils of the magazine spring, and wherein the limiter body is further configured to limit the travel of the magazine follower within the magazine body thereby limiting a cartridge capacity of the firearm magazine, wherein the limiter body is further configured to be severed at a plurality of pre-determined locations thereby enabling a corresponding plurality of cartridge capacities for the firearms magazine, and wherein the limiter limited body includes a corresponding plurality of notches;
• wherein the top edge of the limiter body includes a cupped section configured to be securely coupled the cartridge follower, and wherein the cartridge follower is configured for a type of magazine corresponding to a type of firearm;
• and
• an interchangeable magazine capacity limiter base configured to be securely coupled to the magazine limiter body, wherein the limiter base includes a catch configured to securely engage one of the corresponding plurality of notches, and wherein the limiter base is also configured to be operatively coupled to a magazine floor plate of the firearm magazine.