Semi Bolt Receiver Assembly for assembly with a Semi Automatic Rifle Base

Abstract

A new and useful a semi bolt receiver assembly is provided, that configured for assembly with a rifle base that has a buttstock and pistol grip configured for semi automatic operation. The semi bolt receiver assembly includes a receiver, a bolt and carrier assembly, and a manually operable handle that is coupled with the bolt and carrier assembly in a manner that enables the bolt and carrier assembly to be manipulated by a shooter to charge the rifle (i) while the shooter is maintaining a shooting position and (ii) without removing the shooter's hand from the pistol grip. The semi bolt receiver assembly is particularly useful when configured for assembly with an AR-15 rifle base.

1 . Apparatus comprising a semi bolt receiver assembly configured for assembly with a rifle base that has a buttstock and pistol grip configured for semi automatic operation, the semi bolt receiver including a bolt and carrier assembly, and a manually operable handle is coupled with the bolt and carrier assembly in a manner that enables the bolt and carrier assembly to be manipulated by a shooter to charge the rifle (i) while the shooter is maintaining a shooting position and (ii) without removing the shooter's hand from the pistol grip. 
     
     
         2 . The apparatus of  claim 1 , wherein the handle and bolt and carrier assembly are coupled and configured in a manner that enables the operation of the manually operable handle in charging the rifle to be substantially a straight pull action, while the shooter is maintaining a shooting position. 
     
     
         3 . The apparatus of  claim 2 , wherein the semi bolt receiver assembly includes a receiver, and wherein the handle is coupled with a handle mount that has a portion which extends through a side opening in the receiver. 
     
     
         4 . The apparatus of  claim 3 , wherein the semi bolt receiver assembly is configured for assembly with an AR-15 rifle base. 
     
     
         5 . The apparatus of  claim 4 , wherein the semi bolt receiver assembly is configured to restrict diversion of a portion of combustion gas that is generated when the rifle is being fired. 
     
     
         6 . The apparatus of  claim 4 , wherein the semi bolt receiver assembly includes a barrel that is configured without a gas port for diverting a portion of combustion gas that is generated when the rifle is being fired. 
     
     
         7 . The apparatus of  claim 4 , wherein the portion of the receiver assembly that has the side opening has a height of at least 2.25 inches 
     
     
         8 . The apparatus of  claim 1 , wherein an adaptor base is coupled with the bolt and carrier assembly, and the handle mount to which the handle is coupled is connected to the adaptor base. 
     
     
         9 . The apparatus of  claim 7 , wherein the adaptor base is coupled to the bolt carrier, and the adjustable handle is coupled with the handle mount in a manner that enables the length of pull of the adjustable handle to be selectively adjusted over a predetermined range. 
     
     
         10 . The apparatus of  claim 8 , wherein the semi bolt receiver assembly includes a receiver, and wherein the adjustable handle is coupled with the handle mount in a manner that enables the handle to be selectively manipulated relative to the side of the semi bolt receiver to adjust the angle at which the handle is oriented relative to the side of the semi bolt receiver. 
     
     
         11 . The apparatus of  claim 10 , wherein the semi bolt receiver assembly is configured for assembly with an AR-15 rifle base. 
     
     
         12 . The apparatus of  claim 1 , wherein the bolt and carrier assembly includes a bolt carrier with a substantially cylindrical configuration, and wherein the adaptor base is connected with the bolt carrier by one or more fasteners, each of which extends through the adaptor base and into the top of the cylindrical bolt carrier and directs forces applied to the adaptor base through the cylindrical bolt carrier along a line of action extending through the center of the cylindrical bolt carrier. 
     
     
         13 . The apparatus of  claim 12 , wherein the semi bolt receiver assembly is configured for assembly with an AR-15 rifle base. 
     
     
         14 . Apparatus comprising a semi bolt receiver assembly configured for assembly with a rifle base that has a buttstock and pistol grip configured for semi automatic operation, the semi bolt receiver assembly including
 a. a bolt and carrier assembly,   b. an adaptor base that is connected with the bolt and carrier assembly,   c. a manually operable handle that is coupled with the adaptor base in a manner that enables the orientation of the handle relative to the bolt and carrier assembly to be selectively adjusted to a plurality of operating orientations relative to the bolt and carrier assembly and in a manner that enables the handle to charge the bolt and carrier assembly when the handle is in any of the plurality of operating orientations, and   d. a semi bolt receiver.   
     
     
         15 . The apparatus of  claim 14 , wherein the bolt and carrier assembly includes a bolt carrier with a substantially cylindrical configuration, and wherein the adaptor base is connected with the bolt carrier by a fastener that extends from the adaptor based through the top of the cylindrical bolt carrier and directs forces applied to the adaptor base through the cylindrical bolt carrier along a line of action extending through the center of the cylindrical bolt carrier. 
     
     
         16 . The apparatus of  claim 15 , wherein the manually operable handle is connected to a handle mount that is coupled to the adaptor base, the connection between the handle and the handle mount configured to enable the length of pull of the adjustable handle to be selectively adjusted over a predetermined range. 
     
     
         17 . The apparatus of  claim 16 , wherein the handle has a connector portion that extends through and is supported in a sleeve that forms part of the handle mount, and the handle has a hand grip portion that extends at an angle to the connector portion, and wherein connector portion can be selectively connected at different locations along the sleeve, and at selected rotational orientations in the sleeve, to selectively adjust the length of pull of the handle, to selectively adjust the angle at which the hand grip is oriented relative to the bolt and carrier assembly. 
     
     
         18 . The apparatus of  claim 17 , wherein the handle and bolt and carrier assembly are coupled and configured in a manner that enables the operation of the manually operable handle in charging the rifle to be substantially a straight pull action. 
     
     
         19 . The apparatus of  claim 18 , wherein the semi bolt receiver has a side slot, through which a portion of the handle mount carrying the sleeve extends, so that the handle is located on a side of the receiver, in a convenient orientation to be grasped by a shooter's hand on that side of the receiver. 
     
     
         20 . The apparatus of  claim 15 , wherein the semi bolt receiver is configured for assembly with an AR-15 rifle base, and the portion of the receiver carrying the side slot has a height of at least 2.25 inches