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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Explain Windage Adjustable Bases
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<blockquote data-quote="mtngun" data-source="post: 499534" data-attributes="member: 32317"><p>I'm researching rings and bases and lacking a clear explanation (I've searched this and other long range/sniper sites) thought I'd be safe asking this question regarding scope mounting and windage centering.</p><p>Scope needs to be mounted left to right centered over the rifle bore to insure there is no crossing of the barrel and scope centerline axis. If there is a crossing the scope will be "on" at a single yardage.</p><p>How can I insure the tapped reciever, base and rings will all be accurately machined or designed? There are 6 connecting points where misalignment may be introduced.</p><p>I see usoptics has addressed this by offering rings that incorporate windage adjustment to center the scope.</p><p>Other ring manufacturers offer matched sets of rings and close tolerance rails.</p><p>Is one risking mis-alignment by mix-matching ring and rail manufacturers?</p><p>I see some manufacturers offer one piece rail/ring assy. I do not want to go that route.</p><p>Lacking a good gunsmith I believe I will settle on a base/ringset from a quality manufacturer that specs close tolerance/matched sets. Doing so seems to me will solve the problem of mis-alignment in the scope to ring and ring to base junction.</p><p>I would need to verify proper alignment of the optical center of the scope to the centerline of the screw holes through the base into the reciever and the centerline of the bore.</p><p>I'm aware of plumb alignment and have that figured out. My goal is to know my alignment is good so that I can develop accurate charts for distance/windage/coriolis-spin-drift.</p><p>I know one is at the mercy of the manufacturers or a good gunsmith. The proof will be apparent when I get this all purchased/set-up and test fire my 200-100-500 yard rounds. I don't want to be unpleasantly surprised.</p></blockquote><p></p>
[QUOTE="mtngun, post: 499534, member: 32317"] I'm researching rings and bases and lacking a clear explanation (I've searched this and other long range/sniper sites) thought I'd be safe asking this question regarding scope mounting and windage centering. Scope needs to be mounted left to right centered over the rifle bore to insure there is no crossing of the barrel and scope centerline axis. If there is a crossing the scope will be "on" at a single yardage. How can I insure the tapped reciever, base and rings will all be accurately machined or designed? There are 6 connecting points where misalignment may be introduced. I see usoptics has addressed this by offering rings that incorporate windage adjustment to center the scope. Other ring manufacturers offer matched sets of rings and close tolerance rails. Is one risking mis-alignment by mix-matching ring and rail manufacturers? I see some manufacturers offer one piece rail/ring assy. I do not want to go that route. Lacking a good gunsmith I believe I will settle on a base/ringset from a quality manufacturer that specs close tolerance/matched sets. Doing so seems to me will solve the problem of mis-alignment in the scope to ring and ring to base junction. I would need to verify proper alignment of the optical center of the scope to the centerline of the screw holes through the base into the reciever and the centerline of the bore. I'm aware of plumb alignment and have that figured out. My goal is to know my alignment is good so that I can develop accurate charts for distance/windage/coriolis-spin-drift. I know one is at the mercy of the manufacturers or a good gunsmith. The proof will be apparent when I get this all purchased/set-up and test fire my 200-100-500 yard rounds. I don't want to be unpleasantly surprised. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Long Range Scopes and Other Optics
Explain Windage Adjustable Bases
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