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Hunting
Extreme Long Range Hunting & Shooting (ELR)
230 gr Berger OTM Transonic
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<blockquote data-quote="BGE541" data-source="post: 748935" data-attributes="member: 61984"><p>The biggest thing I notice in using "Reverse DOPE" to get speed of a projectile is that (some) shooters dont accurately measure the scope to bore height which will throw off all of your shooting calc's numbers. IE when I run "Shooter" on my GAP 300 win w/230 OTMs @ 2720 fps with the "default" input of 1.8" for scope to bore lets say at 400 meters in up 7.7 moa. Well If I correct that to what the guns scope to bore is (2.2 in) @ 400 meters it drops to 7.4 moa (what it really is.)</p><p> </p><p>So... Garbage in, Garbage out. Like I think Broz was saying you cant beat hard DOPE. Once you get the settings right on "Shooter" or the like it will truely show you what speed you are throwing them at. For the Bergers I have seen theyre BC's (G7) are very reasonable so from then on out its MV, Air Den or actual Dist to Target that are your variables.</p><p> </p><p>Using H1000 and the OTMs I get about 2720 fps with no pressure.</p><p> </p><p>Enjoy,</p><p> </p><p>BGE</p></blockquote><p></p>
[QUOTE="BGE541, post: 748935, member: 61984"] The biggest thing I notice in using "Reverse DOPE" to get speed of a projectile is that (some) shooters dont accurately measure the scope to bore height which will throw off all of your shooting calc's numbers. IE when I run "Shooter" on my GAP 300 win w/230 OTMs @ 2720 fps with the "default" input of 1.8" for scope to bore lets say at 400 meters in up 7.7 moa. Well If I correct that to what the guns scope to bore is (2.2 in) @ 400 meters it drops to 7.4 moa (what it really is.) So... Garbage in, Garbage out. Like I think Broz was saying you cant beat hard DOPE. Once you get the settings right on "Shooter" or the like it will truely show you what speed you are throwing them at. For the Bergers I have seen theyre BC's (G7) are very reasonable so from then on out its MV, Air Den or actual Dist to Target that are your variables. Using H1000 and the OTMs I get about 2720 fps with no pressure. Enjoy, BGE [/QUOTE]
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Hunting
Extreme Long Range Hunting & Shooting (ELR)
230 gr Berger OTM Transonic
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