@johnino, as you "requested", LOL, i did load few rounds for my 7mm Mag and did a little try early today.
The load is my accuracy load for hunting and can be described better when i shoot with my suppressor on. Today i was shooting my .223, my 7mm-08 and my 7mm Mag, so by the end my shoulder was a bit sore.
The test was with the following Projectiles, Amax, Match and SST shooting from my Tikka T3 Varmint in 7mm Rem Mag.
The first shots was with the AMAX's. The very first shot i did use my suppressor knowing that it could be heretic as it has some issues going on.
First go, Amax's. Velocities = 2815, 2856, 2865, 2932 - A bit all over i know.
Second out was the Match. Velocities = 2880, 2880, 2842, 2877 - A bit more "stable" velocities.
Third out, SST's. Velocities = 2911, 2858, 2902, 2855.(This round has been great and "stable" regards velocity, accuracy and pressure, but lately it has been also heretic and showing signs of pressure(bolt head on the base of the brass. Maybe because i am loading it "longer" than my hunting load)
Hope you can take some info regards your doubts and it will help you. Work your loads slowly, sometimes the best accuracy isn't in the highest velocity.
All the best.
Mauricio "Mac"
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