Firearm End Plate And Anti-Loose Castle Nut

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200025473A1





Loading Importance Indicators... loading....


See full text

A castle nut has a groove around an exterior circumference thereof. An end plate has a through hole extending in a direction perpendicular to a longitudinal axis of a firearm. When a buffer tube is threaded onto a lower receiver of the firearm with the buffer tube traversing through the castle nut and the end plate, the castle nut can be screwed in a direction toward the lower receiver to fasten the end plate against the lower receiver. When the end plate is fastened against the lower receiver by the castle nut, the securing device can be screwed into the through hole of the end plate such that a portion of the securing device is engaged with the groove of the castle nut to prevent the castle nut to be loosened by being unscrewed in a direction away from the lower receiver.

Loading the Abstract Image... loading....

First Claim

See full text


Loading Family data... loading....

Patent Owner(s)

  • Owner owned or assignment not recorded

International Classification(s)


Inventor Name Address # of filed Patents Total Citations
Chin, David Hyung Irvine, US 11 16

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation