@Trout You probably have a point. I'm not really up to date with these sorts of things, sorry. Did a quick online search and couldn't find anything factory made with TTSX projectiles. I know there used to be ( I bought some Sako a few years ago ) but maybe no recent supplies with the shortages etc.....
I did find the offerings below. Not Barnes but same principal and maybe (?) similar performance if you really are wanting to try mono-metals.
https://www.guncity.com/sako-308-pow...-rounds-377263
https://www.huntingandfishing.co.nz/...-copper-impact
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