FIREARM WITH INTERCHANGEABLE PARTS

• US 20170067708A1
• Filed: 10/28/2016
• Published: 03/09/2017
• Est. Priority Date: 06/01/2015
• Status: Abandoned Application

• Current Assignee: Hill & Mac Gunworks, LLC
• Original Assignee: Hill & Mac Gunworks, LLC
• Inventors: Steil, Everett McDowell
• Application Number:
  US15/337,214
• Publication Number:
  US 20170067708A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: F41A 11/02 Modular concepts, e.g. weapon-family concepts
• CPC Class Codes: F41A 15/16 the ejector being mounted on the breech housing or frame
• CPC Class Codes: F41A 17/38 Magazine mountings, e.g. for locking the magazine in the gun
• CPC Class Codes: F41A 21/00 Barrels; Gun tubes; Muzzle attachments; Barrel mounting means F41A25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C27/06
• CPC Class Codes: F41A 21/48 Barrel mounting means, e.g. releasable mountings for replaceable barrels
• CPC Class Codes: F41A 3/66 Breech housings or frames; Receivers
• CPC Class Codes: F41A 3/68 Bolt stops, i.e. means for limiting bolt opening movement
• CPC Class Codes: F41A 3/72 Operating handles or levers; Mounting thereof in breech-blocks or bolts F41C7/02, F41C7/06 take precedence
• CPC Class Codes: F41A 5/18 gas-operated
• CPC Class Codes: F41A 9/59 Ejectors for clips or magazines, e.g. when empty
• CPC Class Codes: F41A 9/64 for unbelted ammunition
• CPC Class Codes: F41C 23/16 Forestocks; Handgrips; Hand guards pump-action guns F41C7/02
• CPC Class Codes: F41G 1/02 Foresights
• CPC Class Codes: F41G 1/033 adjustable

Abstract

A modernized firearm including interchangeable features.

Claims

1-20. -20. (canceled)

21. A firearm, comprising:

a first barrel associated with a first firearm model;

a barrel nut, wherein the first barrel is removably mated to the barrel nut for substituting the first barrel with a second barrel associated with a second firearm model;

a receiver associated with the first firearm model; and

a trunnion, an outer surface of the trunnion on each of a left side and a right side of the trunnion comprising a conical depression, two parallel vertically oriented elongated recesses disposed towards a front face of the trunnion and extending upwardly from a 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 a rear face of the trunnion.

22. The firearm of claim 21, further comprising a bolt block, the bolt block comprising a set screw for adjusting a position of the bolt block to configure the firearm for use with a plurality of types of ammunition.

23. The firearm of claim 22, wherein the bolt block is disposed behind a bolt, and wherein the set screw is configured for adjusting a head space between the bolt and a round of ammunition in the firearm.

24. The firearm of claim 21, wherein the firearm is a semi-automatic tilting-bolt rifle.

25. The firearm of claim 21, wherein the receiver comprises a magazine holder, and wherein the firearm further comprises a magazine retention block, the magazine retention block configured to couple the magazine to the magazine holder.

26. The firearm arm of claim 21, further comprising a charging handle and a gas piston, wherein the charging handle is coupled to the gas piston.

27. A firearm, comprising:

a first magazine associated with a first firearm model;

a receiver associated with the first firearm model and comprising a magazine holder for removably coupling the first magazine for substituting the first magazine with a second magazine associated with a second firearm model; and

a magazine retention block configured to couple at least the first magazine to the magazine holder, the 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.

28. The firearm of claim 27, further comprising a bolt block supported by a pin, and wherein the top surface of the magazine retention block abuts the pin.

29. The firearm of claim 27, wherein the magazine retention block comprises a pin hole for receiving a pin, the pin being configured to couple a trigger assembly to the receiver.

30. The firearm of claim 27, further comprising a trunnion, an outer surface of the trunnion on each of a left side and a right side of the trunnion comprising a conical depression, two parallel vertically oriented elongated recesses disposed towards a front face of the trunnion and extending upwardly from a 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 a rear face of the trunnion.

31. The firearm of claim 27, wherein the firearm is a semi-automatic tilting-bolt rifle.

32. The firearm of claim 27, further comprising a bolt block, the bolt block comprising a set screw for adjusting a position of the bolt block to configure the firearm for use with a plurality of types of ammunition.

33. The firearm of claim 32, wherein the bolt block is disposed behind a bolt, and wherein the set screw is configured for adjusting a head space between the bolt and a round of ammunition in the firearm.

34. The firearm of claim 27, further comprising a charging handle and a gas piston, wherein the charging handle is coupled to the gas piston.

35. A magazine retention block for a firearm 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, wherein the magazine catch is configured to couple a magazine to a magazine holder.