Firearm with interchangeable calibers and/or improved sights

摘要

A replacement slide assembly for a pistol, the slide assembly having a barrel assembly with a barrel and a firing chamber. The barrel assembly also has a guide member which is a protrusion that extends horizontally outward from the barrel assembly. The replacement slide assembly also includes a housing with an interior wall that defines a groove that receives the guide member. The guide member and the groove in the housing are located forward of a firing pin assembly also mounted within the housing. The slide assembly or any firearm also includes an adjustable sight assembly that permits interchangeability between different types of sights without requiring that the firearm be re-sighted.

主权项

1. A firearm comprising:
a barrel assembly having a firing chamber and a barrel wherein a barrel defines an axis; a frame that includes a trigger assembly wherein the barrel assembly is mounted in a defined relationship to the frame; a surface that is mounted in a defined relationship to the barrel, wherein the surface defines a first recess with at least one mounting component; a sight platform that is sized to be positioned within the recess and engage with the mounting component such that the sight platform is maintained in a fixed relationship with the barrel axis when mortared within the recess and engaged with the mounting component and wherein the sight platform defines an adjustable sight mounting location; the adjustable mounting location being a dovetail groove; a sight having a dovetail element that is mounted ill the adjustable sight mounting location so that the sight can be adjusted into a first orientation with respect to the sight platform so as to be in a defined relationship with the axis of the barrel; and wherein the sight platform can be removed from the recess and returned to the recess and the sight is maintained in the same first orientation with respect to the axis of the barrel; wherein the mounting component comprises a projection that extends out of a floor of the recess; wherein the sight platform is a planar body defining an aperture closely receiving the projection.