公开(公告)号：US11022389B2

公开(公告)日：2021-06-01

申请号：US16253706

申请日：2019-01-22

申请人： Sig Sauer, Inc.

发明人： Douglas Aubin ,  David Michael Wilkes ,  Aaron C. Sakash ,  Lindsay Bunch

IPC分类号： F41A5/26

摘要： Techniques and architectures are disclosed for a gas operating system for a firearm. The system includes a barrel having a bore including a rifled portion. Attached to the barrel is a gas block. Located distally of the rifled portion of the bore is a gas expansion chamber in fluid communication with the bore and the gas block. In some examples, the gas expansion chamber includes a diameter at least twice the bore diameter. The gas block of the gas operating system, in some examples, includes a piston, where in response to receiving gases from the gas expansion chamber, the piston cycles the gas operating system.

公开(公告)号：US20200025476A1

公开(公告)日：2020-01-23

申请号：US16253706

申请日：2019-01-22

申请人： Sig Sauer, Inc.

发明人： Douglas Aubin ,  David Michael Wilkes ,  Aaron C. Sakash ,  Lindsay Bunch

IPC分类号： F41A5/26

摘要： Techniques and architectures are disclosed for a gas operating system for a firearm. The system includes a barrel having a bore including a rifled portion. Attached to the barrel is a gas block. Located distally of the rifled portion of the bore is a gas expansion chamber in fluid communication with the bore and the gas block. In some examples, the gas expansion chamber includes a diameter at least twice the bore diameter. The gas block of the gas operating system, in some examples, includes a piston, where in response to receiving gases from the gas expansion chamber, the piston cycles the gas operating system.