Hybrid gas-piston rifle and barrel nut
US11592248B2 · kind B2 · utility
0Cited by
17References
14Claims
0Family size
Inventor
Key dates
| Filing date | Jul 7, 2020 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | Jul 7, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A21/482
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved gas piston system for the automatic loading of a rifle, especially a rifle of the M-16/AR-15 type. The system employs a barrel nut, or an adaptor to a barrel nut, that has been modified to secure one end of a gas piston system. The other end of the gas piston system, namely the piston rod, engages, either directly or indirectly, the key on a bolt carrier group. This configuration positions the gas piston system at a point starting near the barrel nut and extending to the bolt carrier group of the rifle, while a gas tube extends from the gas block to the gas piston system a point near the barrel nut.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.