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Rifles, Reloading, Optics, Equipment
Equipment Discussions
200-300 MOA adjustable rails
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<blockquote data-quote="fiftybmg" data-source="post: 1799322" data-attributes="member: 96316"><p>I'm looking at adjustable rails to add 250 MOA.</p><p></p><p>So far, from what I see, the 200 MOA Valdata RAM looks like a good choice. Not the best choice, but good because of price, I can get it locally, and the MOA settings are lockable, immovable and appear to be repeatable. Downside is it's 50 MOA short, but I know a very talented machinist to enhance it to 250.</p><p></p><p>I would appreciate feedback on any similar range extender rails used, what you put them on and how they track. So far google-fu has revealed stories a few years old of micrometer-type units that don't track well, but are fine for a one-distance setup.</p><p></p><p>I'd like confirmation that I'm on the right track with this type or rail, that it is suitable for reliable field adjustments.</p><p></p><p>I hatched a cunning idea to take a .375 RUM with a 300 grain .695 BC at 2900 fps to 2 miles. On paper, I need 230 MOA at my altitude, the rail is 20 and the scope has 100 total. At sea level the calculator says I need 281 MOA, hence the 250 rail.</p></blockquote><p></p>
[QUOTE="fiftybmg, post: 1799322, member: 96316"] I'm looking at adjustable rails to add 250 MOA. So far, from what I see, the 200 MOA Valdata RAM looks like a good choice. Not the best choice, but good because of price, I can get it locally, and the MOA settings are lockable, immovable and appear to be repeatable. Downside is it's 50 MOA short, but I know a very talented machinist to enhance it to 250. I would appreciate feedback on any similar range extender rails used, what you put them on and how they track. So far google-fu has revealed stories a few years old of micrometer-type units that don't track well, but are fine for a one-distance setup. I'd like confirmation that I'm on the right track with this type or rail, that it is suitable for reliable field adjustments. I hatched a cunning idea to take a .375 RUM with a 300 grain .695 BC at 2900 fps to 2 miles. On paper, I need 230 MOA at my altitude, the rail is 20 and the scope has 100 total. At sea level the calculator says I need 281 MOA, hence the 250 rail. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Equipment Discussions
200-300 MOA adjustable rails
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