I have a decent supply of 26 and a bottle of 23 here but no superformance. The 23 produced super tight groups in my old rem mag and with very little work 1/2moa groups In my 280ai so I will give it a go seeing as I have it here and if that doesn't work il try source some superformance. Hoping someone else had done it to give me a bit more info.
Is the superformance temp sensitive? I'm often hunting in 0 to minus 5 on rusa.
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