Hey you guys it is Doctari here.
I still carry my .505 every day here in the Kruger Park and have just used it to get my advanced rifle handling ticket so it is legal to do so. It takes about 20 blows to pass so that is always a wake-up call!
I shot three buff with the first Kilimanjaro Doctari .505 ( a copy of mine) in Zim in 2012. Tested 600 grn North Fork Cup Nosed Solids at 2140 fps. Shot two old bulls with them and had two one shot kills. The third was shot with 600 grn Woodleigh PP and had some problems.
From side-on the CNS's shot right through but the wound channels were big enough to drop a gold ball through!
To test the penetration on CNS to see if they were ok for back-up shots I set up a dead bull on his chest and shot him next to his tail from 30 m with a CNS - so angled to pass through the rumen. I recovered the bullet when I took his lungs out, it was in the very front of his chest cavity and there was rumen content all the way through the lungs - sucked in by the CNS as it penetrated through the lungs.
There is always a dilemma as to what to use with buff - but since using the 600 grn CNS it would be my choice for the first and any backing shots required - but with the provisor that it will invariably exit from side-on. As I only hunt old lone bulls or dagga boys, this is not usually a problem - I would however be very cautious of using these bullets in a herd situation.
600 grainers at 2150 shift the .505 up a gear that is for sure.
My carry load here in the KNP is 600 grn Dzombo's at 2100 fps. I can give you my load data if you e-mail me.
Hope this helps - Doctari
Welcome to AH, I hope you will visit us often. That is most impressive performance by the North Fork CNS!
Have you had any experience with Cutting Edge Bullets?