ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,539, issued on Jan. 20.
"Integrally suppressed barrel system for velocity reduction of loads" was invented by Nicolas Joseph Casadio (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrally suppressed barrel system for a firearm, the system comprises a barrel having a series of transverse holes and a spiral groove forming machine-type threads of some dimension or specification, a gas block assembly configured to provide integration with the gas cycling system inherent to a firearm, a gas tube configured to protrude back into an upper receiver of the firearm, and a suppressor having a main housing. The main housing of the suppresso...