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I loaded up four 550 bullets and fired them thru my conagraph. They did 2210 FPS without expanding the primer hole. My Lott has a 26" barrel. It is the American Safari CZ 550 model. I thought that was pretty good for such a heavy bullet out of my 458 Lott. What do you think? | ||
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2210 fps with 550grn bullets with out pressure sounds great. I would be happy with 2150fps with that setup. How was the recoil and extraction? | |||
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The equivalent muzzle energy of a 500 gr. bullet at 2300 fps with a 550 gr. bullet is 2200 fps. You are doing great. ------------------------------- Will Stewart / Once you've been amongst them, there is no such thing as too much gun. --------------------------------------- and, God Bless John Wayne. NRA Benefactor Member, GOA, N.A.G.R. _________________________ "Elephant and Elephant Guns" $99 shipped “Hunting Africa's Dangerous Game" $20 shipped. red.dirt.elephant@gmail.com _________________________ Hoping to wind up where elephant hunters go. | |||
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jro45, was that with IMR-4320? Keith IGNORE YOUR RIGHTS AND THEY'LL GO AWAY!!! ------------------------------------ We Band of Bubbas & STC Hunting Club, The Whomper Club | |||
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Recoil was about 84 Ft Lbs And extraction was normal | |||
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Imr4320 is the powder I use. I reload | |||
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jro45, How many grains of 4320 are your loads with the 550gr bullet and do you use a long drop tube? My 4320 Hornady 500 gr loads are compressed and you are doing great to get 2200 with a 550gr bullet! John There are those that do, those that dream, and those that only read about it and then post their "expertise" on AR! | |||
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The volume taken up by the extra 50 gr is less than the decrease in powder volume! ------------------------------- Will Stewart / Once you've been amongst them, there is no such thing as too much gun. --------------------------------------- and, God Bless John Wayne. NRA Benefactor Member, GOA, N.A.G.R. _________________________ "Elephant and Elephant Guns" $99 shipped “Hunting Africa's Dangerous Game" $20 shipped. red.dirt.elephant@gmail.com _________________________ Hoping to wind up where elephant hunters go. | |||
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I use 85gr of IMR4320 for the 550gr bullets For the 500gr bullets I use 85.5gr of IMR4320. No I do NOT use a drop tube. I just use my dies and keep hitting it until its where I want it. | |||
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