US Government As Represented by the Secretary of the Army

Paul J Koelbel

Edward William Holmes

Wayland P Barber

Leslie C Blahut

A breech assembly for a weapon may include a breech ring and a carrier fixed to a shaft. The shaft may be rotatably mounted to the breech ring. A breech block may be fixed to the carrier and insertable into and out of an opening in the breech ring by rotating the shaft. A notch may be formed in an end of the shaft. A lock may be translatably disposed in the breech ring and translatable into and out of the notch in the end of the shaft. Translation of the lock into the notch may rotatably lock the shaft with respect to the breech ring.

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Albany, NY, United States of America

Paul J Koelbel