Drop bolt hold open actuator for use with AR-15/M16 type firearms and incorporating a modified and displaceable follower for engaging a bolt catch mechanism such as in conjunction with rimfire ammunition
US8387296B2 · kind B2 · utility
42Cited by
24References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2011 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Jul 7, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A9/70
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bolt catch assembly for use with a firearm including a receiver with an exposed receiving chamber and an underside engageable magazine. The assembly includes a bolt catch actuator housing supported in seating fashion relative to the receiving chamber and communicating with an attachable magazine. A catch actuator is supported in elevatable fashion relative to an end of the actuator housing. A follower component is upwardly and biasingly disposed within the magazine and which, upon contacting the catch actuator, displaces an associated bolt catch of the firearm in an upper and bolt restraining position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.