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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7LRM with the new 195 gr elite hunter
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<blockquote data-quote="AZShooter" data-source="post: 1158528" data-attributes="member: 5219"><p>IMO don't waste your time or your barrel's life trying the 195. </p><p></p><p>I just crunched the numbers. Lets say you can get 2900 fps with the 195 which I doubt. The 180 and the 195 are very similar in performance. Sure the 195 will yield a bit more energy but the 180 has a flatter trajectory. The 180 will also have more velocity out to 850 yards then the 195 equals the 180. The 195 does have slightly lower wind drift. </p><p></p><p>500 yds:</p><p>180 8.3" drift (10 mph 90 degree crosswind) 2509 ft/lb</p><p>195 7.9" drift 2620 ft/lb</p><p></p><p>1000 yd:</p><p>180 36.8" drift 1691 ft/lb</p><p>195 34.3" drift 1834 ft/lb </p><p></p><p></p><p>Your choice. If you can see how fast the throat erodes in this 7mm as viewed from a bore scope perhaps you would be happy with the 180s.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1158528, member: 5219"] IMO don't waste your time or your barrel's life trying the 195. I just crunched the numbers. Lets say you can get 2900 fps with the 195 which I doubt. The 180 and the 195 are very similar in performance. Sure the 195 will yield a bit more energy but the 180 has a flatter trajectory. The 180 will also have more velocity out to 850 yards then the 195 equals the 180. The 195 does have slightly lower wind drift. 500 yds: 180 8.3" drift (10 mph 90 degree crosswind) 2509 ft/lb 195 7.9" drift 2620 ft/lb 1000 yd: 180 36.8" drift 1691 ft/lb 195 34.3" drift 1834 ft/lb Your choice. If you can see how fast the throat erodes in this 7mm as viewed from a bore scope perhaps you would be happy with the 180s. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7LRM with the new 195 gr elite hunter
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