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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Dual Loads for One Rifle, Help
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<blockquote data-quote="SES50" data-source="post: 378899" data-attributes="member: 7753"><p>I am currently working with my 338 Lapua and am having issues sorting out what to do. I have two different load that I use for hunting. </p><p></p><p>My First load is a 225 grain AB. This is what I call my easy/cheap to shoot load. Good for most things out to 1000 yards and the rifle does not jump around that much. I have the rifle zeroed at 100 yards with this load.</p><p></p><p>My second load is a 300 grain SMK. This what I am using to shoot to long range (1000 and further). When I shoot this load at 100 yards with my 225 grain zero it shoot to the left 2" and down 2.25". So in my mind this should be easy. If I want to shoot the 300 grain bullet with the 225 grain zero I should just go up 2.25MOA and right 2MOA. This should zero the rifle and then I add my drop and windage for what ever I am shooting to.</p><p></p><p>Does this seam correct?</p><p></p><p>The second part of the story:</p><p>I shot to 300, 500 and 800 yards today. With the 225 grain zero my drops and windage came out as follows:</p><p></p><p>Yardage Elev(MOA) Wind(MOA)</p><p>100 2.25 2.00R</p><p>300 7.5 1.75R</p><p>500 12.75 1.25R</p><p>800 22.25 1.00R</p><p></p><p>Now there was some wind (5MPH max) but is was a pretty calm day. When I subtract 2.25 MOA zero off set I am having trouble getting any drop chart to match up. I have been working with exbal for a good hour trying to match the drop and can not get anything to match up close to the drop chart I am seeing when I sight in the rifle.</p><p></p><p>Anyone have any suggestion or better ideas to get this to work?</p><p></p><p>Thanks in advance.</p><p>SES50</p></blockquote><p></p>
[QUOTE="SES50, post: 378899, member: 7753"] I am currently working with my 338 Lapua and am having issues sorting out what to do. I have two different load that I use for hunting. My First load is a 225 grain AB. This is what I call my easy/cheap to shoot load. Good for most things out to 1000 yards and the rifle does not jump around that much. I have the rifle zeroed at 100 yards with this load. My second load is a 300 grain SMK. This what I am using to shoot to long range (1000 and further). When I shoot this load at 100 yards with my 225 grain zero it shoot to the left 2" and down 2.25". So in my mind this should be easy. If I want to shoot the 300 grain bullet with the 225 grain zero I should just go up 2.25MOA and right 2MOA. This should zero the rifle and then I add my drop and windage for what ever I am shooting to. Does this seam correct? The second part of the story: I shot to 300, 500 and 800 yards today. With the 225 grain zero my drops and windage came out as follows: Yardage Elev(MOA) Wind(MOA) 100 2.25 2.00R 300 7.5 1.75R 500 12.75 1.25R 800 22.25 1.00R Now there was some wind (5MPH max) but is was a pretty calm day. When I subtract 2.25 MOA zero off set I am having trouble getting any drop chart to match up. I have been working with exbal for a good hour trying to match the drop and can not get anything to match up close to the drop chart I am seeing when I sight in the rifle. Anyone have any suggestion or better ideas to get this to work? Thanks in advance. SES50 [/QUOTE]
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