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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338.06 VS 30.06 Ackley
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<blockquote data-quote="Long Time Long Ranger" data-source="post: 439605" data-attributes="member: 505"><p>Mike, The accuracy MOA is well less than .5" since I am shooting one hole groups at 100 yards with the 185 TTSX. My tikka 338 winchester puts three shot groups through the kill zone of cardboard deer silhouettes at 800 yards so they are very accurate bullets. The BC is .432 for the 185 ttsx and I am pushing it 3220 fps. The 338 Gibbs is pushing it around 3100 fps in load developement. It is also one hole groups at 100 yards but I have not gone beyond 100 yet with that rifle since I am only developing loads at this point to get my velocity spreads down for long range. At 3100 fps at my elevation of 5500 feet it drops 116 inches at 800 yards with a 300 yard zero. That would be 13.9 MOA drop at 800 yards. It will easily kill big game at 800 yards and that is about where I call it with these light carry rifles and light bullets. For longer ranges I go heavier bullets with higher BC's more for the wind and retained energy than the drop.</p><p> </p><p>I have a swaro BR reticle on the 338 winchester and I have aiming points with it well beyond 800 yards so kills to there are very easy and quick without turning clicks.</p></blockquote><p></p>
[QUOTE="Long Time Long Ranger, post: 439605, member: 505"] Mike, The accuracy MOA is well less than .5" since I am shooting one hole groups at 100 yards with the 185 TTSX. My tikka 338 winchester puts three shot groups through the kill zone of cardboard deer silhouettes at 800 yards so they are very accurate bullets. The BC is .432 for the 185 ttsx and I am pushing it 3220 fps. The 338 Gibbs is pushing it around 3100 fps in load developement. It is also one hole groups at 100 yards but I have not gone beyond 100 yet with that rifle since I am only developing loads at this point to get my velocity spreads down for long range. At 3100 fps at my elevation of 5500 feet it drops 116 inches at 800 yards with a 300 yard zero. That would be 13.9 MOA drop at 800 yards. It will easily kill big game at 800 yards and that is about where I call it with these light carry rifles and light bullets. For longer ranges I go heavier bullets with higher BC's more for the wind and retained energy than the drop. I have a swaro BR reticle on the 338 winchester and I have aiming points with it well beyond 800 yards so kills to there are very easy and quick without turning clicks. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338.06 VS 30.06 Ackley
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