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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Lapua vs 300 Norma
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<blockquote data-quote="jrock" data-source="post: 1415225" data-attributes="member: 78569"><p>Jumping in late on the conversation now that I have some data on my 338 NM.</p><p>300 gr VLD, 2770 fps</p><p>285 gr ELDM, 2880 fps</p><p>With this real world speed and a ballistics program, 100 yard zero and @ 1000 yards</p><p>300 gr, 1841 fps, 24.62 MOA drop, 2.07 MOA drift, 2256 ft*lbs</p><p>285 gr, 1944 fps, 22.76 MOA drop, 3.05 MOA drift, 2389 ft*lbs</p><p></p><p>Basically, The 285 gr gets 100 yards more speed, energy, and less drop than the 300 grain bullet. </p><p></p><p>Now that I have a 338 and am playing around, seems to me that the NM or lapua may benefit more from a lighter weight bullet for hunting purposes. FPS at minimum expansion seems to control the effective range of most high powered guns, not ft*lbs. Thus, it seems to me, with 200+ gr bullets, speed is more valuable than weight. You can get 1800 fps and 1800 ft*lbs of energy shooting a lighter bullet faster and would have less recoil. 28 Nosler comes to mind.</p></blockquote><p></p>
[QUOTE="jrock, post: 1415225, member: 78569"] Jumping in late on the conversation now that I have some data on my 338 NM. 300 gr VLD, 2770 fps 285 gr ELDM, 2880 fps With this real world speed and a ballistics program, 100 yard zero and @ 1000 yards 300 gr, 1841 fps, 24.62 MOA drop, 2.07 MOA drift, 2256 ft*lbs 285 gr, 1944 fps, 22.76 MOA drop, 3.05 MOA drift, 2389 ft*lbs Basically, The 285 gr gets 100 yards more speed, energy, and less drop than the 300 grain bullet. Now that I have a 338 and am playing around, seems to me that the NM or lapua may benefit more from a lighter weight bullet for hunting purposes. FPS at minimum expansion seems to control the effective range of most high powered guns, not ft*lbs. Thus, it seems to me, with 200+ gr bullets, speed is more valuable than weight. You can get 1800 fps and 1800 ft*lbs of energy shooting a lighter bullet faster and would have less recoil. 28 Nosler comes to mind. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Lapua vs 300 Norma
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