This might be of some help.
http://www.nzhuntingandshooting.co.nz/f32/getting-into-long-range-hunting-ongoing-thread-180/
Type: Posts; User: Mossie
This might be of some help.
http://www.nzhuntingandshooting.co.nz/f32/getting-into-long-range-hunting-ongoing-thread-180/