JES does great work a few years back he rebored a Tikka T3 270 to 35 Whelen and it shoots better than I can hold it. With a 6x42 Meopta on it I can put 3 T-TSX's in a .5 group.

Just started reloading for my current project, a Montana that when I got it had fluted Douglas .243 barrel on it. I swapped out the barrel for a factory .308 barrel had I had rebored by JES to .358 win and cut the barrel to 19 inches. Swapped the grey Montana stock for a soft touch Ascent stock, looking for the right scope but have a Weaver 6x38 on it for now.
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As it sits in the picture it is 5 lbs 8 ozs an my first try reloading for it shot 3 shot groups at 1.2" at 100 yards and under 4" at 300 yards, expect that to get better as I play with loads and get around to bed it.

From my experience you can’t go wrong with JES.

Ted