Compact survival firearm

摘要

A compact survival firearm is a rifle with removable barrel having a frame defining a passage having a forward open aperture, a barrel having a breech end portion received in the frame, and having a forward portion extending forward of the aperture, the barrel having a rear end support portion adapted to be closely received in the frame passage such that is it laterally constrained by the frame, and the barrel having an intermediate support portion spaced apart from the rear end support portion and adapted to be selectably connected to an intermediate support portion of the frame, such that barrel is supported at spaced apart locations to provide stability. The rear end support portion and the intermediate support portion may be spaced apart by an elongated necked-down portion of the barrel having a smaller diameter than the rear end support portion and the intermediate support portion.

主权项

1. A firearm with removable barrel comprising:
a frame defining a passage having a forward open aperture and having a frame threaded portion; a barrel having a breech end portion received in the frame, and having a forward portion extending forward of the aperture; the barrel having a rear end support portion adapted to be closely received in the frame passage such that is the rear end support portion laterally constrained by the frame; a barrel nut having a nut threaded portion adapted to removably engage the frame threaded portion; the barrel nut having a tapered nut portion; the barrel having an intermediate support portion spaced apart from the rear end support portion and having a tapered barrel portion adapted to engage the tapered nut portion.