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Gunsmithing 28 Nosler Ladder Test

Gobears16

Sergeant of the Hide
Full Member
Minuteman
Jun 13, 2018
275
138
Blackhawk, Ca
So I need a little help with your opinions. I ran a ladder test at 300 yards the wind was blowing 6-8 at 10oclock. Shooting 28Nos 195 EOL with Retumbo .04 off the lands. I talked with Berger and got their starting load. I jumped up a little bit from their starting load and went above their max by .6 and never saw pressure signs. My starting charge was 76.3 and went up .3 until 78.8. Let me know what you guys think and where I should consintrate my load. I’m kinda puzzled as to why some of the higher charge weights were lower. Is that normal? Total height spread was 2.25 inch so I guess that’s good (maybe). The sticker is 1.25in. First time I’ve done a ladder test. The barrel had 40rds of factory ammo before I did the test.
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Flat shooter, need to go back to 400 yards and try again.. I'm sure others will chime in but all I can see in my limited ladder experience is something in your top end of 78.5 to 78.8.