Adapter plate system for mounting optical sights

1. An adapter plate system for mounting optical sights on a pistol, the adapter plate system comprising:

a pistol slide, the pistol slide includes an adapter interface, the adapter interface comprising a bottom surface that extends between a first end wall and a second end wall; and

an adapter plate, the adapter plate includes a mounting surface on a top side thereof, the mounting surface is configured so that an optical sight can be attached thereto;

wherein the adapter plate is configured so that it can be rotated into position between the first end wall and the second end wall of the adapter interface.

2. The adapter plate system of claim 1 , further comprising a slide cover plate, the slide cover plate is configured to interface with a first end of the adapter plate and thereby prevent the adapter plate from rotating while positioned within the adapter interface.

3. The adapter plate system of claim 2 , wherein the first end wall of the adapter interface includes a slot that extends therethrough, a lip of the slide cover plate extends into the slot and interfaces with the first end of the adapter plate.

4. The adapter plate system of claim 1 , wherein each end of the adapter plate is curved, and the first end wall and the second end wall of the adapter interface are configured so that the adapter plate can be rotated into position within the adapter interface.

5. The adapter plate system of claim 1 , wherein the bottom surface of the adapter interface is recessed below the top surface of the pistol slide.

6. The adapter plate system of claim 1 , wherein a second end of the adapter plate includes an indexing spring that is nested in a groove, the indexing spring is configured to press against the second end wall of the adapter interface and thereby secure the adapter plate against unintentional rotation while it is positioned within the adapter interface.

7. An adapter plate system for mounting optical sights on a pistol, the adapter plate system comprising:

a pistol slide, the pistol slide includes an adapter interface, the adapter interface comprising a bottom surface that extends between a first curved end wall and a second curved end wall; and

an adapter plate, the adapter plate includes a mounting surface on a top side thereof, a first end, and a second end, the mounting surface is configured so that an optical sight can be attached thereto, the first end is configured to interface with the first curved end wall of the adapter interface, the second end is configured to interface with the second curved end wall of the adapter interface;

wherein the adapter plate is configured so that it can be rotated into position between the first curved end wall and the second curved end wall of the adapter interface.

8. The adapter plate system of claim 7 , further comprising a slide cover plate, the slide cover plate is configured to interface with the first end of the adapter plate and thereby prevent the adapter plate from rotating while positioned within the adapter interface.

9. The adapter plate system of claim 8 , wherein the first curved end wall of the adapter interface includes a slot that extends therethrough, a lip of the slide cover plate extends into the slot and interfaces with the first end of the adapter plate.

10. The adapter plate system of claim 7 , wherein the bottom surface of the adapter interface is recessed below the top of the pistol slide.

11. The adapter plate system of claim 7 , wherein the second end of the adapter plate includes an indexing spring that is nested in a groove, the indexing spring is configured to press against the second curved end wall of the adapter interface and thereby secure the adapter plate against unintentional rotation while it is positioned within the adapter interface.

12. An adapter plate system for mounting optical sights on a pistol, the adapter plate system comprising:

a pistol slide, the pistol slide includes an adapter interface, the adapter interface comprises a bottom surface that extends between a first curved end wall and a second curved end wall; and

an adapter plate, the adapter plate includes a mounting surface on a top side thereof, a first end, and a second end, the mounting surface is configured so that an optical sight can be attached thereto, the first end is configured to interface with the first curved end wall of the adapter interface, the second end is configured to interface with the second curved end wall of the adapter interface;

wherein the adapter plate can be rotated into a position on the adapter interface that places the first end and the second end in contact with the first curved end wall and the second curved end wall, respectively, of the adapter interface.

13. The adapter plate system of claim 12 , further comprising a slide cover plate, the slide cover plate is configured to interface with the first end of the adapter plate and thereby prevent the adapter plate from rotating while positioned within the adapter interface.

14. The adapter plate system of claim 13 , wherein the first curved end wall of the adapter interface includes a slot that extends therethrough, a lip of the slide cover plate extends into the slot and interfaces with the first end of the adapter plate.

15. The adapter plate system of claim 12 , wherein the bottom surface of the adapter interface is recessed below the top of the pistol slide.

16. The adapter plate system of claim 12 , wherein the second end of the adapter plate includes an indexing spring that is nested in a groove, the indexing spring is configured to press against the second curved end wall of the adapter interface and thereby secure the adapter plate against unintentional rotation while it is positioned within the adapter interface.