Hi Rafiki, how you doing?
I appreciate this thread is a couple of weeks old, but like Boela and Albert GRANT we to use Peregrine's, in 6.5mm, 30 cal, 8mm and 375. We have found them to be very good, yes not cheap but they do a very good job.
I used a 165 VLR4 on my Zebra, approx 130m away...