ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,838, issued on Jan. 28, was assigned to Shadow Systems LLC (Plano, Texas).
"Magazine extension" was invented by Benjamin Ni Ye (North Richland Hills, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A magazine extension is provided. The magazine extension includes a baseplate structured to receive a lower open end of a magazine, the baseplate having a laterally extending through-bore; a side bracket structured to couple to the baseplate for securing the magazine, the side bracket having a laterally extending through-bore; and a locking pin insertable within both the through-bore of the baseplate and the through-bore of the side bracket to lock t...