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20 MOA base for .22-250?

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: October/17/2010 at 06:55
Michael Riley View Drop Down
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I'm getting ready to buy a new base for my 700VS in .22-250 and I was wondering if it is necessary to get a 20MOA base or not?  I'll be using a Sightron SIII 6-24X50 and doubt that I ever try to shoot this gun far enough to run out of elevation, but on the off chance that I do decide to try some crazy shots, will I need the extra elevation?  Another reason I ask is that I may end up rebarreling the rifle in something like .243 or .308 sometime and I don't want to have to get another base for it if I ever get into the 1000 yard stuff.  Will I still be able to zero my rifle at 100 yards without the turrets almost bottoming out? I would just like to have the option without it effecting the short range shooting and I know that some scopes don't track perfect when they get towards the bottom.  I don't want to have to worry about the windage or anything being effected when I make elevation adjustments since the majority of my shooting will be inside of 500 yards.  
Thanks.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/02/2011 at 21:55
Urimaginaryfrnd View Drop Down
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Really to need the added elevation you need to start with a different caliber the twist in most 22-250 guns is designed for 50 grain bullets usually a 1 in 12 or 1 in 14 twist.  The .22 cal bullets do not have very good balistic coefficients and the light 50 grain bullet is best used under 300 yds.  Want a long range bullet think 190 Sierra Matchking 30 cal in a 300 Win Mag or 300 WSM or think   6.5x284 or a 7mm Rem Mag.   You have to start with what bullet you want to shoot then select the twist in the barrel and caliber to use that bullet then decide on the scope and mounting system.  Long Distance may be the next best thing to being there but its some complicated stuff and a lot of scopes do not have adequate internal adjustment to get you there the ones that do are usually expensive. There is such a thing as putting too much moa in a mount and not having enough internal adjustment in the scope to use that scope.
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