Firearm
US8667882B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 10, 2013 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Jan 10, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41G11/003
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A firearm having a gas piston system includes a bolt carrier, an adjustable gas piston block located forward on the firearm and an over-the-barrel spring and guide rod arrangement, all of which is housed and contained in a top rail that runs the length of the firearm and that maintains the alignment of these firearm components. The firearm further includes components that provide full auto firing capability. These components include a specially designed auto bracket that cooperates with a modified bolt carrier and a modified upper receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.