| tinker |
| (.416 member) |
| 22/12/11 03:19 AM |
|
Re: “Father & Son” through the eyes of ‘Les O’Rourke’s camera
|
John-
That small extra turret looks like the leupold ballistic chart.
Basically a blank reel of tape-measure tape on which you can record your load's trajectory for future reference.
Cheers
Tinker