Law enforcement carbine with one piece receiver
First Claim
1. An indirect gas operating system for an automatic or semi-automatic firearm, the indirect gas operating system comprising:
- a gas block having a cylinder, the gas block fitted to a barrel assembly having a bore, the cylinder in communication with the bore;
a piston having a piston end and a striking end, the piston end fitted to the cylinder; and
a bolt assembly having a striking surface;
wherein, when a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, and wherein, the cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block from the firearm.
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Accused Products
Abstract
An indirect gas operating system for an M4 type automatic or semi-automatic firearm. The indirect gas operating system has a gas block having a cylinder. The gas block is fitted to a barrel assembly having a bore with the cylinder in communication with the bore. A piston having a piston end and a striking end has the piston end fitted to the cylinder. A bolt assembly having a striking surface is provided. When a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly. The cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block.
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Citations
13 Claims
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1. An indirect gas operating system for an automatic or semi-automatic firearm, the indirect gas operating system comprising:
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a gas block having a cylinder, the gas block fitted to a barrel assembly having a bore, the cylinder in communication with the bore; a piston having a piston end and a striking end, the piston end fitted to the cylinder; and a bolt assembly having a striking surface; wherein, when a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, and wherein, the cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block from the firearm. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A semi-automatic or automatic rifle comprising:
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a receiver having an integral hand guard portion; a barrel having a bore, the bore removably connected to the receiver, the hand guard portion extending over and surrounding the barrel; an indirect gas operating system having a gas block and a piston; the gas block having a cylinder, the gas block fitted to the barrel, the cylinder in communication with the bore; a piston having a piston end and a striking end, the piston end fitted to the cylinder; and a bolt carrier having a striking surface; wherein, when a cartridge is fired, gas displaces the piston end and causes the striking end to strike the striking surface displacing the bolt assembly, and wherein, the cylinder and the piston are together removable as an assembly from the firearm without removal of the gas block. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification