Load data for rem700 20" barrel (1-10 twist)

I'd start with 42gr + Fed210 primers (Match or regular) in Fed brass.
If using Win brass, go up to 42.5gr.
Seat to 2.800.
This gave a 2570 or so out of a 20" barrel with 1:10 twist for me, using 168gr Sierra Match King HPBT.
 
well if I was you ditch the 168 run the 175SMK and IMR 4895 around 44.3 grs in Winchester brass with the 210M or br-2 primer

this got me over 2600 and banging gongs at 1000meters
 
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