..I have the t-shirt and the scars and if you were sitting at my campfire, these are some articles I would give you to read. You pays your money and you takes your pick. I use controlled feed because I grew up with it and I trust it...
I've said it before and I'll say it again, I have used them for years in my 375, on many hunts, on all plains game up to Eland and on big cats. Hand loaded right, and with correct shot placement, you will have no problems. The 250gr SGK's are good, accurate bullets.
..pick one you like..