Ak-47 type bullpup converted firearm and method of assembly thereof

Abstract

A bullpup assembly for converting an AK-47 type firearm having an AK-47 stock in unmodified assembly into a bullpup configuration. The assembly includes a frame body coupleable with a body of the firearm, the frame body comprising a bullpup trigger, and the frame body being configured to replace the Ak-47 stock, and a trigger link coupled with the bullpup trigger and coupleable with a firearm trigger of the firearm, wherein actuation of the bullpup trigger actuates the firearm trigger via the trigger link.

1 . A bullpup assembly for converting an AK-47 type firearm having an AK-47 stock in unmodified assembly into a bullpup configuration, comprising:
 a frame body coupleable with a body of the firearm, the frame body comprising a bullpup trigger, and the frame body being configured to replace the Ak-47 stock; and   a trigger link coupled with the bullpup trigger and coupleable with a firearm trigger of the firearm,   wherein actuation of the bullpup trigger actuates the firearm trigger via the trigger link.   
     
     
         2 . The bullpup assembly of  claim 1 , further comprising:
 a mating frame assembly coupleable to the frame body.   
     
     
         3 . The bullpup assembly of  claim 1 , wherein the frame body comprises a receiving member and an opening each sized to receive a portion of a barrel of the firearm. 
     
     
         4 . The bullpup assembly of  claim 2 , wherein the frame body comprises a recessed opening sized to receive a barrel retainer of the firearm. 
     
     
         5 . The bullpup assembly of  claim 1 , wherein the frame body comprises a handle adjacent to the bullpup trigger. 
     
     
         6 . The bullpup assembly of  claim 1 , wherein the bullpup trigger is linearly coupled within the frame body via a coupling mechanism. 
     
     
         7 . The bullpup assembly of  claim 1 , wherein the trigger link is configured to extend around a magazine well of the firearm. 
     
     
         8 . The bullpup assembly of  claim 1 , wherein the bullpup trigger comprises a receiving portion coupled to an end portion of the trigger link. 
     
     
         9 . The bullpup assembly of  claim 1 , further comprising:
 a firearm trigger engagement feature coupled to an end portion of the trigger link,   wherein the firearm trigger engagement feature is configured to abut the firearm trigger.   
     
     
         10 . The bullpup assembly of  claim 1 , wherein the frame body comprises an interior cavity, and wherein the trigger link is disposed within the interior cavity. 
     
     
         11 . The bullpup assembly of  claim 1 , wherein the frame body comprises at least one access port alignable with a safety of the firearm. 
     
     
         12 . The bullpup assembly of  claim 2 , wherein the mating frame assembly comprises a first opening to receive a gas tube of the firearm and a second opening to receive a portion of a barrel of the firearm. 
     
     
         13 . The bullpup assembly of  claim 11 , wherein the mating frame assembly further comprises a recessed opening to receive a barrel retainer of the firearm. 
     
     
         14 . The bullpup assembly of  claim 13 , wherein the frame body comprises a recessed opening to receive the barrel retainer of the firearm, and wherein the recessed opening of the mating frame assembly aligns with the recessed opening of the frame body. 
     
     
         15 . The bullpup assembly of  claim 12 , wherein the frame body comprises a barrel opening to receive a portion of the barrel of the firearm, and wherein the barrel opening of the frame body aligns with the second opening of the mating frame assembly. 
     
     
         16 . The bullpup assembly of  claim 2 , further comprising:
 a shield member shaped to encompass a portion of a barrel of the firearm, the shield member being receivable within a portion of the mating frame assembly.   
     
     
         17 . The bullpup assembly of  claim 16 , wherein the mating frame assembly comprises a first plurality of vent openings, wherein the shield member comprises a second plurality of vent openings, and wherein the first plurality of vent opening and the second plurality of vent openings are alignable with each other. 
     
     
         18 . The bullpup assembly of  claim 2 , wherein at least one selected from the group consisting of the mating frame assembly and the frame body further comprises a securing feature for securing the mating frame assembly to the frame body. 
     
     
         19 . The bullpup assembly of  claim 1 , wherein the frame body further comprises a screw receiver alignable with a mating piece disposed at an end of the firearm. 
     
     
         20 . The bullpup assembly of  claim 1 , wherein the mating frame assembly extends coextensively with the frame body. 
     
     
         21 . A method of converting an AK-47 type firearm into a bullpup configuration, the method comprising:
 removing a stock and a handle from the AK-47 type firearm;   mating a lower portion of the firearm with a frame body, the frame body comprising a bullpup trigger and a trigger link coupled with the bullpup trigger;   mating an upper portion of the firearm with a mating frame assembly; and   coupling the trigger link with a trigger of the firearm such that actuation of the bullpup trigger actuates the firearm trigger via the trigger link.   
     
     
         22 . The method of  claim 21 , wherein the frame body comprises a receiving member and an opening, and wherein mating the lower portion of the firearm with the frame body comprises mating the receiving member and the opening with a portion of the barrel of the firearm. 
     
     
         23 . The method of  claim 22 , wherein the frame body further comprises a recessed opening, and wherein mating the lower portion of the firearm with the frame body further comprises mating the recessed opening with a barrel retainer of the firearm. 
     
     
         24 . The method of  claim 21 , wherein the frame body further comprises a firearm trigger engagement feature coupled to an end portion of the trigger link, and wherein coupling the trigger link with the trigger of the firearm comprises abutting the firearm trigger engagement feature with the firearm trigger. 
     
     
         25 . The method of  claim 21 , wherein a side of the frame body comprises first and second access ports, the method further comprising:
 aligning the first and second access ports with a safety of the firearm.   
     
     
         26 . The method of  claim 21 , wherein the mating frame assembly comprises a first opening and a second opening, the method further comprising:
 mating the first opening with a gas tube of the firearm and mating the second opening with a portion of a barrel of the firearm.   
     
     
         27 . The method of  claim 26 , wherein the mating frame assembly further comprises an opening,
 the method further comprising:
 mating the opening with a barrel retainer of the firearm. 
   
     
     
         28 . The method of  claim 27 , wherein the frame body comprises an opening,
 the method further comprising:
 mating the opening of the frame body with the barrel retainer of the firearm; and 
 aligning the opening of the mating frame assembly with the opening of the frame body 
   
     
     
         29 . The method of  claim 26 , wherein the frame body comprises an opening,
 the method further comprising:
 mating the opening of the frame body with a portion of the barrel of the firearm; and 
 aligning the opening of the frame body with the second opening of the mating frame assembly. 
   
     
     
         30 . The method of  claim 21 , further comprising:
 emplacing a shield member so as to encompass a portion of a barrel of the firearm and within a portion of the mating frame assembly.   
     
     
         31 . The method of  claim 30 , wherein the mating frame assembly comprises a first plurality of vent openings and the shield member comprises a second plurality of vent openings,
 the method further comprising:
 aligning the first plurality of vent openings and the second plurality of vent openings. 
   
     
     
         32 . The method of  claim 21 , further comprising:
 securing the mating frame assembly to the frame body via a securing feature.   
     
     
         33 . The method of  claim 21 , wherein the frame body further comprises a screw receiver,
 the method further comprising:
 securing the frame body to a mating piece disposed at an end of the firearm via the screw receiver.