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I have just worked a load straight out of the hornady book which is for the 162 grain SST that is meant to have a muzzle velocity of 3000 FPS for my Sauer 7mm Rem Mag. The only difference is that i have pushed the projectile .003 of the lands rather than using SAMMI guides.
The deal is my chrony is measuring it at 2800 FPS.
I have the chrony five meters from the muzzle as per manufactures instructions so i expect a little difference but not 200 FPS"
This has happened often to me with many differing rifels and loads
any idea's?:
I have just worked a load straight out of the hornady book which is for the 162 grain SST that is meant to have a muzzle velocity of 3000 FPS for my Sauer 7mm Rem Mag. The only difference is that i have pushed the projectile .003 of the lands rather than using SAMMI guides.
The deal is my chrony is measuring it at 2800 FPS.
I have the chrony five meters from the muzzle as per manufactures instructions so i expect a little difference but not 200 FPS"
This has happened often to me with many differing rifels and loads
any idea's?: