.284Win and new barrel speeds

[Kayle]

This was first 8 shots at 54,54.5,55 and 55.5grs.
Two shots each load.

 

[Peter Lazer]

Hi guys
I'm new to 7mm 284Win and I need your advice.I've got a 32" lilja 1 to 9 twist,I use 168VLD and 180VLD Bergers.Powder H4350,primers federal 210GM.On 168gn with 51gn of powder I'm getting2832,2813,2820,2827fps.With 52gn I'm getting 2863,2864,2880,2878fps.With 53gn 2929,2924,2932fps.Now with 180VLD with 53gn powder 2854,2843,2854,2847,2862fps.With 52.5 2841,2837,2843,2845,2839fps.I'd like to keep the brass for some time and to avoid any surprises.I'm not sure how to go about.Your feed back would be really appreciated.
Cheers
Peter

 

[Willow]

I think the 52 and 53gr loads may be a bit on the warm side and kill your primer pockets with H4350. Your velocity with the 51gr load seems fine to me. It's 100fps quicker than what I am getting out my 30" with H4831SC.

 

[Endyo]

I've backed down myself.