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The Range
Rifle & Shotgun Discussion
Mounting BUIS on an offset rail.
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<blockquote data-quote="de-evoproject" data-source="post: 1293526" data-attributes="member: 14169"><p>I've seen guys mount sights (never BUIS) and scopes on the sides of the rifle for different "tactical" reasons where they would have to turn the weapon sideways to fire it (Never bought into all that myself). The issue you run into with angled mount you are looking at is you are only TRULY sighted to 1 exact range. </p><p></p><p>With the iron sights directly on top of the weapon and zeroing at say 200m you know that if you can adjust for any range using simple mental calculations and only adjusting elevation, either by kentucky windage or actual sight adjustment (yes i know this is assuming absolute calm wind conditions and perfectly straight shooting rifle, I'm keeping it simple). This is due to the only adjustments being straight up-down and straight left-right.</p><p></p><p>Now with your proposed set up your adjustments are no longer in a "T" shape and are now in an "X" shape. Sure you could take the rifle out and sight them in to a certain range (through what i would think would be a complex and frustrating process). Any range variation tho are going to completely throw off your POI vs POA. Making windage and elavation changes are going to be near impossible in any kind of timely manner. </p><p></p><p>Also the angle at which you would have to hold your rifle to be able to utilize the sights so that they are adjusting on a nice vertical/horizontal, is going to be... uncomfortable to say the least. </p><p></p><p>I would highly recommend mounting the BUIS where they were intended to go and invest in a nice quick release scope mount and using your T marks. <img src="/images/smilies/twocents.gif" class="smilie" loading="lazy" alt=":twocents:" title="Twocents :twocents:" data-shortname=":twocents:" /></p></blockquote><p></p>
[QUOTE="de-evoproject, post: 1293526, member: 14169"] I've seen guys mount sights (never BUIS) and scopes on the sides of the rifle for different "tactical" reasons where they would have to turn the weapon sideways to fire it (Never bought into all that myself). The issue you run into with angled mount you are looking at is you are only TRULY sighted to 1 exact range. With the iron sights directly on top of the weapon and zeroing at say 200m you know that if you can adjust for any range using simple mental calculations and only adjusting elevation, either by kentucky windage or actual sight adjustment (yes i know this is assuming absolute calm wind conditions and perfectly straight shooting rifle, I'm keeping it simple). This is due to the only adjustments being straight up-down and straight left-right. Now with your proposed set up your adjustments are no longer in a "T" shape and are now in an "X" shape. Sure you could take the rifle out and sight them in to a certain range (through what i would think would be a complex and frustrating process). Any range variation tho are going to completely throw off your POI vs POA. Making windage and elavation changes are going to be near impossible in any kind of timely manner. Also the angle at which you would have to hold your rifle to be able to utilize the sights so that they are adjusting on a nice vertical/horizontal, is going to be... uncomfortable to say the least. I would highly recommend mounting the BUIS where they were intended to go and invest in a nice quick release scope mount and using your T marks. :twocents: [/QUOTE]
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Mounting BUIS on an offset rail.
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