Patent ID: 11933571
Assignee: WHG PROPERTIES, LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 13:
14. A firearm comprising:
a barrel assembly comprising a barrel or a barrel extension defining one or more locking lugs;
an upper receiver attached to the barrel assembly;
a bolt carrier within the upper receiver, wherein the bolt carrier defines a cavity therein extending along a longitudinal axis of the bolt carrier, the bolt carrier comprising a bolt engaging the one or more locking lugs of the barrel assembly;
at least one weight disposed within the cavity;
a forward stop at a forward end of the cavity;
an aft stop at an aft end of the cavity; and
a spring, wherein the spring is configured to bias the at least one weight along the longitudinal axis into contact with one of the forward stop or the aft stop.