Scope Mounts-Windage Adjustments
In the past, all I've ever used are the Weaver-style scope mounts on my rifles. I recently purchased a new 22-250, and have been looking around at different scope mounts. Excuse my ignorance, but I was hoping someone could explain to me how these scope mounts work that have a windage adjustment screw on the base such as Leupold and others make? What is the advantage over a standard base that would accept dovetail rings both front and back or over a weaver-style system? Thanks.
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The Redfield type scope mounts are generally considered a little sturdier than the Weaver type. The windage adjustment in the base is of little value in a scope that has built in windage adjustments. The base with windage adjustments was useful in the days when some scopes (German) had no windage adjustment and when the scopes did not have constantly centered reticles. A person didn't want the cross hairs to be over at the side of the field of vew when properly zeroed. As to how they work; You insert the front ring into the hole in the base then rotate it 90 degrees. This is best done with a 1" dowell, pipe or rod that fits into the ring. Turning the ring using the scope as a lever can be done but can damage the tube and is not recommended. When the front ring is turned so that it is in perfect alignment with the bore, the scope can be put in the ring and the rear rings installed on the scope. Tighten the large screws on each side of the rear rings to hold the rear ring in place. 0 -
Simply put, with the windage adjustment of the scope centered, you use the base adjustment screws to get close to center, and than use the scope adjustments to fine tune.
Advantages, strength.
Some guys like a mag full of lead, I still prefer one round to the head.0 -
I can appreciate that the dovetail-style mounts are stronger. But, would you recommend the bases that accept dovetail rings both front and back, or do you think the bases that accept dovetail on the front, and have the rear windage adjustments to be better? 0 -
I would prefer the one with dovetail on the front only. Should you need to remove the scope and replace it, it is much easier to just take out one of the rear windage screws, rotate the scope 90 degrees and lift it off. when you replace it, you reverse the procedure and it should be back on zero, or very close. As I said earlier, you can damage the scope tube by using it as a lever so be careful if you do it this way. 0 -
As tailgunner said, the biggest advantage to windage adjustable mounts is that you can take up most of the error without using the scope's adjustments. I have had a couple of experiences where I nearly maxed out the internal windage adjustment of a scope due to a flaw in the bases/mounts/tapped hole alignment. There is a disadvantage to the adjustable mounts, however; If you have a big recoiling gun, you have to crank those things down as hard as is humanly possible. I learned this on my .375 Ultra at the price of 1 rear mount and a second sight-in session. It literally sheared off the little nubs that the screws center on.
Save the seals-club a liberal instead.0 -
If your "new" 22-250 means that it is a new production rifle from a quality company, then it is probable that the holes drilled into the receiver have been set for either "Leupold/Redfield/Burris" or the more likely "Weaver" pattern. First you should find out what your rifle is drilled for. I'd bet that you have two hole on the front ring and two on the rear and that it is up for Weaver. The 22-250 not being a big kicking round there is no reason to over think this. I personally always use steel bases and if weight isn't an issue, steel rings as well. Warne and Weaver both make steel bases of better then average quality which should do the job if you do. As far as the Leupold windage adjustable rings/bases system, well back in the day many receivers came undrilled. Many a skilled gunsmith would do their best to drill and tap, but sometimes they just didn't go in as planned. At times like those windage adjustments were a plus. 0 -
Sorry...I should have been more specific. It's a new Remington 700 VS-SF 22-250. Any thoughts on the Nikon Ultralok dovetail set-up that's basically identical to the Leupold Basic set-up (dovetail front ring, and windage screw on rear ring)? 0 -
OLSEN, My personal favorite windage adjustable ring is the Millet Angle Loc. $25 per set high, medium or low. I have them on everything from a .45/70 to 50 cal. Encore to Mossberg slug gun and they hold zero year after year. The Redfields and Leupolds are also excellent quality rings. I agree some of the strongest designed rings are the turn in dovetails with no adjustment.
"They call me Don. Dr. Jason Donald Dalinger."0
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