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US 2020/0025477 A1Published application
Adjustable gas block assembly for a gas operated semi-automatic firearm
AssigneeSpringfield, Inc.
InventorsCharles David Williams, Christopher Martin Baumbach
Life of this patent
Estimating the term…
Abstract
Adjustable gas block assemblies for gas-operated firearms are disclosed along with modes of operation and methods of use. In certain aspects, gas blocks having a vent opening arranged to receive a vent plug are disclosed, the vent plug having an opening along a length thereof to vent high-pressure gas from the gas block. Kits containing multiple vent plugs and, in some instances, gas blocks are also disclosed.
Claims20
A method of tuning the gas block assembly of claim 4, comprising:
- firing a cartridge in the firearm with the gas block assembly having the vent plug, which is a first vent plug, positioned within the vent opening;
- determining whether the firearm properly extracted and ejected the cartridge and chambered a new cartridge or locked a bolt of the firearm in an open configuration;
- replacing the first vent plug of the gas block assembly with a second vent plug having an opening extending along a length thereof, wherein the opening of the first vent plug has a different hydraulic diameter than the opening of the second vent plug;
- and
- firing a cartridge in the firearm with the gas block assembly having the second vent plug positioned within the vent opening.
2 more elements
A gas block assembly for a firearm, comprising:
- a gas block defining a barrel opening, a gas tube opening, a passageway extending from the barrel opening to the gas tube opening, and a vent opening intersecting the passageway;
- and
- a vent plug received within the vent opening;
- wherein the vent plug has an opening extending along a length of the vent plug and in communication with the passageway so that high-pressure gas communicating with the passageway can pass through the opening in the vent plug and out of the gas block assembly.
1 more element
(canceled)
Dependencies are inferred from the claim text.