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Long Range Hunting & Shooting
Some guidance so I don't blow myself up...
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<blockquote data-quote="liltank" data-source="post: 332553" data-attributes="member: 13275"><p>LOL, I would look at load data for a 190 grain bullet and base your starting loads off of that data. I generally go to the next heaviest if data is not available for that specific weight bullet.</p><p></p><p>Well I just looked at 2 different manual. The one is the newest edition Lyman 49th edition, and a newer Lee manual. The Lee says that 56.5 grains is max for a 190grn bullet. The Lyman is saying 51grns is max for a BTHP. So I would start at 52grns and work up. Here is another suggestion. </p><p></p><p>I started doing pressure tests. I would load one shell at a time working up in one grain increments until I started seeing pressure. My suggestion before even loading a batch for accuracy is do the following; Find your seating depth, load a set of casings from 48.0 grns to 59.0 grns in one grain increments. That will give you 12 loads to take to the range just to see what the max pressure is on your rifle. </p><p></p><p>Make sure to look at the rim of the case for any ejector marks. Look at the primer to see if it is starting to crater into your firing pin hole or flaten(Federals are soft so they can be pushed a little farther until you see pressure signs in the rim). Check for heavy or sticky bolt lift. Over pressure loads will cause you to have to really lift the bolt handle hard, and if they stick you will need a cleaning rod or the shooting bench to get the bolt back. </p><p></p><p>I know it seems like a wasted trip to the range, but then you will know how hot you can go. Once you find the hottest load, back off a half to a full grain of powder and that is your max. Then go home, reload a couple different loads at the top end of your grain weights and start shooting for groups.</p><p></p><p>Does this make sense?</p><p></p><p>Tank</p></blockquote><p></p>
[QUOTE="liltank, post: 332553, member: 13275"] LOL, I would look at load data for a 190 grain bullet and base your starting loads off of that data. I generally go to the next heaviest if data is not available for that specific weight bullet. Well I just looked at 2 different manual. The one is the newest edition Lyman 49th edition, and a newer Lee manual. The Lee says that 56.5 grains is max for a 190grn bullet. The Lyman is saying 51grns is max for a BTHP. So I would start at 52grns and work up. Here is another suggestion. I started doing pressure tests. I would load one shell at a time working up in one grain increments until I started seeing pressure. My suggestion before even loading a batch for accuracy is do the following; Find your seating depth, load a set of casings from 48.0 grns to 59.0 grns in one grain increments. That will give you 12 loads to take to the range just to see what the max pressure is on your rifle. Make sure to look at the rim of the case for any ejector marks. Look at the primer to see if it is starting to crater into your firing pin hole or flaten(Federals are soft so they can be pushed a little farther until you see pressure signs in the rim). Check for heavy or sticky bolt lift. Over pressure loads will cause you to have to really lift the bolt handle hard, and if they stick you will need a cleaning rod or the shooting bench to get the bolt back. I know it seems like a wasted trip to the range, but then you will know how hot you can go. Once you find the hottest load, back off a half to a full grain of powder and that is your max. Then go home, reload a couple different loads at the top end of your grain weights and start shooting for groups. Does this make sense? Tank [/QUOTE]
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Some guidance so I don't blow myself up...
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