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Long Range Hunting & Shooting
150 Grn Nosler ABLR for whitetails
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<blockquote data-quote="Lenny Foffa" data-source="post: 2432826" data-attributes="member: 100742"><p>I see your point. I do not have a lab radar chrno. so it is a" Best Guess." My thinking was that a load developed at Sea level, ( 75 Feet ) based on the numbers from the Nosler loading Manuel, 2900 fps in my case ,will have a slightly different velocity at 2885 ft in elevation. ( From; Accuracy and Precision for Long Range shooting; Bryan Litz ) . The instructors at the school told me, that the hits they were seeing on the various targets from the 100 yard sighter target , out to the 1000 yard targets were in line with my 150 Grn. ABLR ,with a 591 BC , at 3000 ft per second, not 2900. They use the JBM Ballistic App. in 20 yard increments, from 100 to 1200 yards. Whenever I referred to my load as a 2900 fps load, the quickly corrected me and said they felt it was a 3000 fps load. This is , of course opinion, but the opinions of people who have far more knowledge, and experience , than I do . It is my wish to get a good chrono, but the issues I have seen with the Lab Radar devices at my range , make me feel uncomfortable !! Do You have lab Radar device??? Do you really like it??? Do you recommend that device or another one. ??? Thanks Buddy</p></blockquote><p></p>
[QUOTE="Lenny Foffa, post: 2432826, member: 100742"] I see your point. I do not have a lab radar chrno. so it is a" Best Guess." My thinking was that a load developed at Sea level, ( 75 Feet ) based on the numbers from the Nosler loading Manuel, 2900 fps in my case ,will have a slightly different velocity at 2885 ft in elevation. ( From; Accuracy and Precision for Long Range shooting; Bryan Litz ) . The instructors at the school told me, that the hits they were seeing on the various targets from the 100 yard sighter target , out to the 1000 yard targets were in line with my 150 Grn. ABLR ,with a 591 BC , at 3000 ft per second, not 2900. They use the JBM Ballistic App. in 20 yard increments, from 100 to 1200 yards. Whenever I referred to my load as a 2900 fps load, the quickly corrected me and said they felt it was a 3000 fps load. This is , of course opinion, but the opinions of people who have far more knowledge, and experience , than I do . It is my wish to get a good chrono, but the issues I have seen with the Lab Radar devices at my range , make me feel uncomfortable !! Do You have lab Radar device??? Do you really like it??? Do you recommend that device or another one. ??? Thanks Buddy [/QUOTE]
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150 Grn Nosler ABLR for whitetails
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