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Old September 13, 2009, 01:06 PM   #5
LHB1
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Join Date: March 25, 2005
Location: Houston, TX
Posts: 1,545
Quote: "ALSO, let's say I don't want to re-sight my gun, but I want to shoot 180 grain bullets. What muzzle velocity would I need to have a similar trajectory to the 165 grain at 2700 fps? "

Nimrod,
It isn't just the trajectory that you have to worry about; it is mainly the point of impact. As stated above, just changing the brand/style/weight of bullet can change the POI significantly and require resighting. Test the different loads and see how close the POI and trajectory matches for your rifle.
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LB
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