Patent ID: 11920883
Assignee: nan
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 10:
11. A firearm, comprising:
a receiver;
a barrel coupled to the receiver;
a tube having a first end coupled to the receiver and defining at least one port arranged proximate to the first end and extending in a radial direction, wherein the tube is configured to be arranged around the barrel defining a radial gap therebetween, wherein the tube extends outwardly of the barrel in a longitudinal direction defining an axial gap therebetween, wherein the radial gap and the axial gap together define an expansion volume around the barrel; and
an end cap arranged at a second end of the tube and coupled to the tube, wherein the end cap defines an outlet opening arranged coaxially to the barrel to facilitate an exit of a bullet from the tube;
wherein propellant gases; generated during firing of the bullet exits a muzzle of the barrel, expand inside the expansion volume and exit the tube through the at least one port.