These are the .223 bullets I used for head shooting cattle, amongst other things.
https://winchester.com/Products/Ammu...onded/X223R2BP
These were easily tough enough for the biggest bull skull from any angle. A particularly good angle was from behind, quartering strongly away, into the base of the skull. Very humane, it would destroy the cerebellum and brain stem and turn the brains into soup. It would exit from time to time depending exactly how it hit and how far away I was, but most of the shots resulted in it opening right up and partially fragmenting, and bouncing around inside the skull, which is pretty much perfect.
Ragga, stupidly earlier I told you to look at a bullet in a different calibre to your rifle, which isn’t available in 7mm. Sorry about that. So another option for you to consider in 7mm Rem Mag, which at 3000-3100fps might be a bit fast for closer range bull shooting, is the 154gr Hornady Interbond. Reason I suggest this bullet is that I’ve seen them do very well at magnum velocities at closer range, compared to some of the more common bullets which if too hard can over penetrate, which would be my concern with the Oryx, or if too soft can blow up on hide and fat and under penetrate. We used the Interbond in the 300 Win Mag and it dealt maximum death to anything it hit, particularly horrible big pigs and scrub cattle. Whilst it wasn’t the intention to use it sub ~300m cos it wasn’t a carry rifle by any means, sometimes something popped out much closer and the Win Mag was all that was ready or whatever.
The 180gr Interbond would rarely exit a cattle beast or big pig with a solid shoulder shot, but fark me the hole it made on the way through to the hide on the other side... One of my mates will have pics of the pills we dug out of the hide and some of the internal wounding, I sent an email tonight to see if I can retrieve one or two. The Interbond / 300 Win Mag combo is one of only a handful that I’ve ever seen reliably produce full on ripple effect shock powered drop ‘em kills with shoulder shots, all 4 legs folding and down they go, man it hit hard. I can’t imagine that a 7mm Rem Mag would be that much less effective, the SD is about the same. I don’t know anyone who has used them in 7mm, maybe someone else here can comment. But personally in 7mm RM I wouldn’t hesitate to point it at a cattle beast.
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