#1A 270 Winchester

With a 243 and a 100 I'd run 35-37 grains I4064... It's always been a decent load for us.
As to Ruger #1 rifles... I have a #1 standard in 338win mag. She's been a heck of a rifle over the years and I have hundreds of rounds through her. My brother has a #1 in 300 H&H.. It's a good rifle too.
The #1 is actually a rather accurate rifle, but you have to be dang careful on your sandbag pressure and bagging. I fired a cloverleaf at 100 the other day, then slid the sandbag out away from the mounting screw (where your bag ought to be centered) and the same load/rifle shot over 2"... As far as bag pressure, just a bit of down-pressure to settle the rear is what seems to work best.
 
I4350 or H4350?
I4350 I have to work on the load for the H4350, they are similar but not the same. That load with the NP has killed dozens of deer from 40yds out to 200. I wouldn't shoot much further although I did get a coyote at 285yds with that load.
 
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