| 1. Sight in gun with factory sights to 100 yards |
| 2. Adjust peep tang sight so that you are in the middle of the adjustment- windage and elevation. |
| 3. Place peep tang sight on tang so that when looking through peep sight aperture, all sights are in alignment. |
| 4. Mark the holes-#009800 hole spacing is 2.185” center to center. |
| 5. Make sure you are center (left to right) on the tang. |
| 6. Remove stock and put gun in vise |
| 7. Center punch holes. |
| 8. Recheck for center alignment. |
| 9. Drill with undersize drill, in case you are not center. Drill size #32 or smaller for both holes. |
| 10. Now that you are center-drill with #21 drill bit and tap with a #10-32 tap. |
| 11. Keep chips from entering gun by using a heavy tap oil when tapping. |
| 12. Remove chips and mount sight. |
| 13. Some cases you may have to shorten the screws. |
| 14. Remove gun from vise and reinstall stock. |