Assessments - 2, GPA: 3.5
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Figure A Target as seen through the bore. The final step: three-shot groups Whichever bore-sighting method you’ve used, the next steps are the same on the firing range. To ensure reliable results, always fire from a rested position when performing these steps. (If you are using an adjustable objective or side focus model scope, perform any correction for parallax before continuing, as explained in “Understanding Parallax” on pages 29-32.) 1. Fire a shot or two. 2. If you are several inches off center, make an appropriate amount of adjustment to move the reticle to the center of the target. 3. Carefully fire a three-shot group. 4. Use the center of that group as a reference point for the final adjustments to windage and elevation. On the sample target, the center of the group is two inches low and three inches right. Assuming you’re sighting-in at 100 yards, you should make a 2-MOA adjustment up, and a 3-MOA adjustment left. Your next three-shot group should be very close to the center of the target. To learn about making final adjustments, proceed to the upcoming section on windage and elevation adjustments. Making Precise Windage And Elevation Adjustments Precise Windage & Elevation The style of elevation and windage adjustments on Leupold riflescopes varies with specific models. Each, however, is clearly marked in easy to read increments. If, for example, there are four hash marks from zero to (and including) the number one on an adjustment knob, then the value of each increment of adjustment on that knob is 1/4-MOA. It is the same with all Leupold adjustment dials. One-MOA moves the point of impact at 100 yards by 1 inch. At 100 meters, it moves 29mm. The letters found on the windage and elevation dials refer to the direction that the point-of-impact of the bullet is moved when an adjustment is made. Adjusting windage and elevation on VX®-7 RIFLEscopes (SPEEDIAL™) The adjustment cover is integral to the adjustment mechanism. To make a correction, simply rotate the adjustment cover counterclockwise until it “pops up,” fully revealing the adjustment indication markings, and make the appropriate correction. To secure the adjustment cover, push down while tightening the cover. Adjusting windage and elevation on target and tactical scopes Leupold Target, Competition, and most Tactical scopes have micrometer-style windage and elevation adjustments. A click for each adjustment division can be both heard and felt so adjustments to the scope can be made without looking at the dials. Indicators on the micrometer portion of the dial show the number of complete 360. rotations that have been made. Target style adjustments for range and wind adjustments in the field. Bullet drop compensation dials Special bullet drop compensation (BDC) elevation dials are featured on selected scopes. These dials are calibrated to achieve adjustment to specific distances rapidly by distance indicators marked directly on the dials. Zeroing the windage and elevation dials after sighting in All Leupold scopes feature adjustment dials that can be repositioned to align the marked zero of the dial with the position indicator without changing the adjustment setting of the scope. This allows the shooter to know the original zero of the rifle in the event that further adjustments are made in the field. To reposition the dials on Rifleman®, VX®-I, and FX™-I models, place a coin or screwdriver in the slot in the numbered dial and rotate it so that the zero aligns with the stamped line indicator mark on the top of the adjustment screw that is perpendicular to the coin slot. Rifleman, VX-I, and FX-I dials adjust easily to indicate the new zero position. VX-ll, VX-3, FX-ll and FX-3 dials have a separate pointer dial that can be adjusted to indicate the new zero position. VX-II and FX-II models have a pointer dial that moves with the adjustment slot. This dial also can be moved independently to align with the zero on the outermost dial. To reposition this dial simply rotate it until the pointer is aligned with the zero. VX-3 and FX-3 models have an indicator dial that can be moved independently to align with the zero on the adjustment dial. To reposition this dial simply rotate it until the position indicator notch is aligned with the zero of the adjustment dial. VX-3, FX-3 VX-II, FX-II To reposition the dials on VX-7 riflescopes: 1. Unscrew the adjustment cover until it “pops up,” fully revealing the adjustment indication markings and set screws. 2. Loosen the set screws that surround the top of the dial portion. 3. Move the cylinder dial by hand to align the zero with the gold witness mark at the base of the cylinder. 4. Secure the set screws. To reposition the dials on Target and Tactical models: 1. Loosen the set screws that surround the top of the knob until the cylinder turns freely. 2. Move the cylinder dial by hand to align the zero with the white perpendicular mark at the base of the cylinder. 3. Tighten the set screws until the cylinder is ...
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