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The Range
Rifle & Shotgun Discussion
1:7 vs. 1:9 on 10.5" barrel
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<blockquote data-quote="KurtM" data-source="post: 721682" data-attributes="member: 6064"><p>I've got to call B.S. on the 55s drop steeper into the pits, therefor being dangerous!! The drop on a S.M.K. 69 gr. bullet going 2900 fps. (a fairly warm load) drops 99.2" at 600 yds. from a 100yd zero. A 55gr. fmj round going 3100 fps. ( a fairly mild load drops 99.7" at 600 yds. from a 100 yd zero. So can anyone tell me how .5" makes for a "much steeper" ballistic path? Just to be clear about this a 62 gr. M855 ball round drops 91.2" at 600 yds and a good old M80 ball round from a 7.62X51mm rifle drops 91.2" also we are talking at the most 8" of difference in drop. How these little tid bits get started is just beyond me, but IF enough guys say it often enough ...it must be true......B.S.!!!! KurtM</p></blockquote><p></p>
[QUOTE="KurtM, post: 721682, member: 6064"] I've got to call B.S. on the 55s drop steeper into the pits, therefor being dangerous!! The drop on a S.M.K. 69 gr. bullet going 2900 fps. (a fairly warm load) drops 99.2" at 600 yds. from a 100yd zero. A 55gr. fmj round going 3100 fps. ( a fairly mild load drops 99.7" at 600 yds. from a 100 yd zero. So can anyone tell me how .5" makes for a "much steeper" ballistic path? Just to be clear about this a 62 gr. M855 ball round drops 91.2" at 600 yds and a good old M80 ball round from a 7.62X51mm rifle drops 91.2" also we are talking at the most 8" of difference in drop. How these little tid bits get started is just beyond me, but IF enough guys say it often enough ...it must be true......B.S.!!!! KurtM [/QUOTE]
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The Range
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1:7 vs. 1:9 on 10.5" barrel
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