Thread: 2F vs. 3F Load
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Old August 22, 2013, 06:32 AM   #2
Captchee
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Join Date: April 2, 2013
Posts: 439
yes a little .
3 F produce a little more pressure .
what we used to do is when converting from 2F to 3 F we would reduce the 3F load by 10 grains . this should put you in the ball park of the Volocities and pressure of the 2F load when using 3F
when going from 3F to 2 F, we would increase the 2F load by 10 grains . thus bring the 2F load up close to the 3F charge .

IE lets say you use 80 grains of 2F . Then 3F load would be around 70 grains
If using 80 grains of 3F and going to 2F then the 2 F load would bump up to 90 grains .

As to how much difference you will see down range , that depends on the range .
Speaking for myself , the only thing I use 2F in anymore is my smoothbores .
I shoot 3F in all my rifles from 45-62 and even in a couple cases 3 F in my smoothbores when im shooting RB vs. a shot load
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