Myself and a number of mates I shoot with use copper projectiles for this very reason.
You do need to be aware of how they work to use them properly as they need to be driven at higher velocity and hit something solid to ensure enough expansion. Thus the reason why you drop the weight of pill you are using. I have used the TTSX 120 in a 7RM a fair bit and believe that terminal performance is best at 2400 fps and above which shortens your effective range.
I have just finished load development for my 6.5 prc with a barnes ttsx. It is very accurate with a mv of 3210fps which
will be good out to 350 yards. I plan on shooting my meat animals with this as we don't buy meat from the supermarket and and don't like the thought of feeding my family lead!
I still use the likes of eldms for longer shots where I prefer to aim for a neck shot so not to ruin meat and if not the shoulders turn into dog tucker.
I have seen some impressive result from the copper, with good shot placement even big stags in the roar go down like they have been zapped by a laser beam!
You do have to watch out for Cooper fouling and give your barrel the copper removal treatment around every 50 rounds fired.
Copper projectiles won't be for every one but it is certainly worth keeping the health aspect of lead poisoning in mind when harvest meat for the table




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