Right now I have some data available for the .300 Ultra:
Bullet 165 grs SP COL = 3.524 inches
N160 starting charge 80.2 grs maximum charge 82.9 grs
N560 starting charge 84.1 grs maximum charge 89.5 grs
N165 starting charge 87.5 grs maximum charge 90.9 grs
Bullet 180 grs Barnes X COL = 3.524 inches
N560 starting charge 74.4 grs maximum charge 80.7 grs
N165 starting charge 72.4 grs maximum charge 77.5 grs
N170 starting charge 80.6 grs maximum charge 87.8 grs
Bullet 185 grs HPBT COL = 3.598 inches
N560 starting charge 85.3 grs maximum charge 88.4 grs
N165 starting charge 82.6 grs maximum charge 88.9 grs
N170 starting charge 92.6 grs maximum charge 96.5 grs
Use maximum charges with caution and have good shooting!
Best regards,
Janne Pohjoispaa
Nammo Lapua R & D
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"Hope for the best.....Expect the worst!"