Firearm with interchangeable parts
First Claim
Patent Images
1. A firearm, comprising:
- a barrel associated with a first firearm model and having a front end and a first barrel nut engaging portion at a rear end;
a gas block;
a gas tube;
a gas piston;
a barrel nut having a threaded portion;
a charging handle;
a receiver associated with the first firearm model; and
a trunnion comprising;
an outer surface defined by a front face, a rear face, a top, a bottom, a right side, and a left side;
a bore extending longitudinally from the front face to the rear face and configured to hold a bolt and a portion of a bolt carrier;
a second barrel nut engaging portion disposed at a front end of the bore and comprising screw threads for receiving the threaded portion of the barrel nut;
a curved platform disposed on the top of the trunnion and configured to receive the gas piston;
a slot disposed on the top of the trunnion behind the curved platform, the bolt carrier extending above the slot and coupling to the gas piston above the trunnion;
an ejector cutout for ejecting spent ammunition cartridges, the ejector cutout disposed on one of the left side or right side of the trunnion;
an opening in the bottom of the trunnion for receiving ammunition from a magazine into the trunnion; and
a bolt block comprising a set screw for adjusting a position of the bolt block;
wherein the outer surface of the trunnion on each of the left side and the right side comprises a conical depression, two parallel vertically oriented elongated recesses disposed towards the front face of the trunnion and extending upwardly from the bottom of the trunnion, and a horizontally oriented elongated recess disposed behind the two vertically oriented elongated recesses and above the conical depression, the horizontally oriented elongated recess extending forwardly from the rear face of the trunnion;
wherein the second barrel nut engaging portion removably mates with the barrel nut;
wherein the barrel nut removably mates with the barrel; and
wherein the firearm is configured to substitute at least one of the barrel, the barrel nut, the gas block, and the gas tube with a component from a second firearm model; and
wherein adjustment of the set screw configures the firearm for use with a plurality of types of ammunition.
2 Assignments
0 Petitions
Accused Products
Abstract
A modernized firearm including interchangeable features.
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Citations
20 Claims
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1. A firearm, comprising:
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a barrel associated with a first firearm model and having a front end and a first barrel nut engaging portion at a rear end; a gas block; a gas tube; a gas piston; a barrel nut having a threaded portion; a charging handle; a receiver associated with the first firearm model; and a trunnion comprising; an outer surface defined by a front face, a rear face, a top, a bottom, a right side, and a left side; a bore extending longitudinally from the front face to the rear face and configured to hold a bolt and a portion of a bolt carrier; a second barrel nut engaging portion disposed at a front end of the bore and comprising screw threads for receiving the threaded portion of the barrel nut; a curved platform disposed on the top of the trunnion and configured to receive the gas piston; a slot disposed on the top of the trunnion behind the curved platform, the bolt carrier extending above the slot and coupling to the gas piston above the trunnion; an ejector cutout for ejecting spent ammunition cartridges, the ejector cutout disposed on one of the left side or right side of the trunnion; an opening in the bottom of the trunnion for receiving ammunition from a magazine into the trunnion; and a bolt block comprising a set screw for adjusting a position of the bolt block; wherein the outer surface of the trunnion on each of the left side and the right side comprises a conical depression, two parallel vertically oriented elongated recesses disposed towards the front face of the trunnion and extending upwardly from the bottom of the trunnion, and a horizontally oriented elongated recess disposed behind the two vertically oriented elongated recesses and above the conical depression, the horizontally oriented elongated recess extending forwardly from the rear face of the trunnion; wherein the second barrel nut engaging portion removably mates with the barrel nut; wherein the barrel nut removably mates with the barrel; and wherein the firearm is configured to substitute at least one of the barrel, the barrel nut, the gas block, and the gas tube with a component from a second firearm model; and wherein adjustment of the set screw configures the firearm for use with a plurality of types of ammunition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A firearm, comprising:
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a barrel associated with a first firearm model and having a front end and a first barrel nut engaging portion at a rear end; a magazine; a magazine retention block comprising a top surface, a tapered portion that tapers towards a bottom of the magazine retention block, a front surface having a groove, a magazine catch, and a magazine catch release; a barrel nut having a threaded portion; a receiver associated with the first firearm model and comprising a magazine holder for engaging the magazine; and a trunnion comprising; an outer surface defined by a front face, a rear face, a top, a bottom, a right side, and a left side; a bore extending longitudinally from the front face to the rear face and configured to hold a bolt and a portion of a bolt carrier; a second barrel nut engaging portion disposed at a front end of the bore and comprising screw threads for receiving the threaded portion of the barrel nut; wherein the outer surface of the trunnion on each of the left side and the right side comprises a conical depression, two parallel vertically oriented elongated recesses disposed towards the front face of the trunnion and extending upwardly from the bottom of the trunnion, and a horizontally oriented elongated recess disposed behind the two vertically oriented elongated recesses and above the conical depression, the horizontally oriented elongated recess extending forwardly from the rear face of the trunnion; wherein the second barrel nut engaging portion removably mates with the barrel nut; wherein the barrel nut removably mates with the barrel; and wherein the firearm is configured to substitute at least one of the barrel, the barrel nut, and the magazine with a component from a second firearm model. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A firearm, comprising:
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a barrel associated with a first firearm model and having a front end and a first barrel nut engaging portion at a rear end; a magazine; a magazine retention block comprising a top surface, a tapered portion that tapers towards a bottom of the magazine retention block, a front surface having a groove, a magazine catch, and a magazine catch release; a gas block; a gas tube; a gas piston; a barrel nut having a threaded portion; a charging handle; a receiver associated with the first firearm model and comprising a magazine holder for engaging the magazine; and a trunnion comprising; an outer surface defined by a front face, a rear face, a top, a bottom, a right side, and a left side; a bore extending longitudinally from the front face to the rear face and configured to hold a bolt and a portion of a bolt carrier; a second barrel nut engaging portion disposed at a front end of the bore and comprising screw threads for receiving the threaded portion of the barrel nut; a curved platform disposed on the top of the trunnion and configured to receive the gas piston; a slot disposed on the top of the trunnion behind the curved platform, the bolt carrier extending above the slot and coupling to the gas piston above the trunnion; an ejector cutout for ejecting spent ammunition cartridges, the ejector cutout disposed on one of the left side or right side of the trunnion; an opening in the bottom of the trunnion for receiving ammunition from the magazine into the trunnion; and a bolt block comprising a set screw for adjusting a position of the bolt block; wherein the outer surface of the trunnion on each of the left side and the right side comprises a conical depression, two parallel vertically oriented elongated recesses disposed towards the front face of the trunnion and extending upwardly from the bottom of the trunnion, and a horizontally oriented elongated recess disposed behind the two vertically oriented elongated recesses and above the conical depression, the horizontally oriented elongated recess extending forwardly from the rear face of the trunnion; wherein the second barrel nut engaging portion removably mates with the barrel nut; wherein the barrel nut removably mates with the barrel; wherein the firearm is configured to substitute at least one of the barrel, the barrel nut, the gas block, the magazine, and the gas tube with a component from a second firearm model; and wherein adjustment of the set screw configures the firearm for use with a plurality of types of ammunition.
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Specification