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Posted: 6/4/2005 3:50:16 PM EDT
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I just came home with my socom 16, its used (Barely) I think the sights have been monkeyed with. I'm taking it to the range tomorrow and will attempt to zero at 100 yds.(nothing closer) My question is what is the factory setting on the elevation knob in relation to the apature hieght? Or in other words if I lower the apature all the way down what should it say on the index line? I won't have the benifit of a spotter tomorrow. Thanks for any feedback |
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Answer to both of your questions is, "It might say anything." The range scale on the drum is independantly adjustable from the actual height of the aperature. There's a "sticky" posted on top of this page regarding battlesight zero. If it does not help you, try this: run the sight to bottom. Come up about 8-10 clicks. Find an elevation setting that will get POI the same as POA at 25meters. Remember how many clicks this is. This elevation setting will be your 200 meter zero. Loosen the elevation drum screw. Run the aperature down until it bottoms out. Continue to run the elevation drum forward until the "2" line matches up with the fixed line on the sight base (this line is fairly high up on the base, more than halfway.) Then run it forward more, the number of clicks up that your zero was (8 or 10 or whatever.) While holding the drum in place, tighten the elevation screw as best you can, making sure that the drum does not turn. Don't use a pliers on the drum. Run the aperature up all 64 or so clicks, and finish tightening the elevation screw. Run it back to "2" on the scale, your elevation is now set for POA=POI at 200 meters. This is the general procedure for making your elevation scale match what the height of your aperature needs to be for any given range. As you initially set the drum scale, you may let the drum get away from you and put a click or so on it. Just keep doing the procedure until it's right for you. Actual sight setting may vary a bit for you, for 600 meters you may find that you may have to come up or down a couple of clicks from the "6" on the scale. And if your barrel is not timed correctly you will have to make windage changes as the elevation of the aperature comes higher above the axis of the bore. (200m dope is 8 up and 1 left, 600m dope may be 23 up and 5 right.) Oh **** I just reread that you have a short barreled rifle. The drum scale is made for a normal rifle. The scale will not be of much use to you other than as a general reference. I've not seen any posted data on click counting to 1000m with short barreled rifles compared to the widely-used memory aid used for normal barreled rifles. But you'll get it. Just find a range that you generally shoot at and set the drum scale for that range, count your clicks from there as ranges change. |
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Max ordinate of the M14 zeroed at 200 meters is about 2-3/4" high between 100 and 150 yards and of the Bush is just under 3-1/2" high between the same points. If you want to shoot at bullseyes you'll have to develop your owning firing table for the Bush rifle. But for battlesight zero initially at 25 yards to point of impact = point of aim and move to the 200 yard line and make fine adjustments. Set the index at 2. Experiment at 300 yards. -- Chuck |
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