Conversion device for a firearm
US9857136B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2016 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Jan 19, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A11/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A conversion device for converting a firearm designed to fire a cartridge of a certain size and caliber to another size and caliber cartridge is disclosed. In some embodiments, the conversion device is suitable for converting an AR-15 type firearm to be able to fire .22 caliber cartridges. Disclosed embodiments of the conversion device 100 may comprise an appropriately sized chamber insert 1 to fit in the chamber of the firearm, a bolt 2, an extractor 4, extractor plunger 3, extractor spring 5, firing pins 6, firing pin springs 9, a bolt spring rod 10 and block 11, a bolt return spring 12, slide rails 14, lock rings 17, and lock pins 15.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.