Opinion ID: 6112125
Heading Depth: 3
Heading Rank: 1

Heading: A firearm with a fixed magazine comprising

Text: a lower receiver having a magazine well configured to receive a magazine with a side-locking recess with a recess in the magazine well a magazine catch bar securely attached to the firearm, said magazine catch bar resting within the magazine side-locking recess an upper tension bar which extends towards and contacts the upper receiver. 8. A device for converting a firearm with a detach- able magazine into a firearm with a fixed magazine comprising Case: 21-1963 Document: 36 Page: 5 Filed: 01/14/2022 EVOLUSION CONCEPTS, INC. v. HOC EVENTS, INC. 5 A magazine catch bar securely attached to the lower receiver of said firearm, said magazine catch bar resting within the magazine side-locking recess An upper tension bar which extends towards and contacts the upper receiver. 15. A method for converting a firearm with a de- tachable magazine into a firearm with a fixed mag- azine comprising Removing the factory installed magazine release button assembly Said removal comprising the steps of depressing the magazine release button to a sufficient depth to permit the factory installed maga- zine catch bar to extend beyond the magazine well of the lower receiver, rotating the factory installed magazine catch bar in a counterclockwise fashion until the factory in- stalled magazine catch bar is unthreaded from the factory installed screw end of the magazine release button, removing all parts of the factory installed maga- zine release button assembly Installing a magazine catch bar to the lower re- ceiver of the firearm, said magazine catch bar resting within the magazine side-locking recess Installing an upper tension bar to the lower re- ceiver of the firearm, said upper tension bar ex- tending towards and contacting the upper receiver. Id., col. 7, lines 27–35; col. 8, lines 4–10; col. 8, lines 47–67 (emphases added). Case: 21-1963 Document: 36 Page: 6 Filed: 01/14/2022 6 EVOLUSION CONCEPTS, INC. v. HOC EVENTS, INC.