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Nikon's BDC Reticle
Nikon’s BDC reticle uses a series of circles for aim points sized to be 2 inches at 100 yards or 2 MOA, i.e., 4 inches at 200 yards, 6 inches at 300 yards, etc. There is no wind compensation integrated with their BDC reticle. The reticle is designed for a 100-yard zero for standard calibers and 200 yards for flatter shooting calibers. The top and bottom of the aiming circles can be used for intermediate ranges. With a 100 yard zero, if you rifle shoots flatter than the reticle’s trajectory compensation, then you can either compensate for point of impact being high or sight in for 200 yards and turn down the magnification to tune the scope to your rifle’s trajectory curve. As an example with my .308, the downrange impacts would be 1 to 2½ inches high with 100 yard zero. I could sight in for 200 yards and get a good trajectory match with a 3-9x scope set on 7.6x magnification. If I want to shoot at 9x with a 200-yard zero, I would have to define specific ranges for each circle. Example, the first 1st circle would be on target at 285 yards, the 2nd circle would be on at 375 yards, etc.
Nikon's BDC Reticle
Nikon’s BDC reticle uses a series of circles for aim points sized to be 2 inches at 100 yards or 2 MOA, i.e., 4 inches at 200 yards, 6 inches at 300 yards, etc. There is no wind compensation integrated with their BDC reticle. The reticle is designed for a 100-yard zero for standard calibers and 200 yards for flatter shooting calibers. The top and bottom of the aiming circles can be used for intermediate ranges. With a 100 yard zero, if you rifle shoots flatter than the reticle’s trajectory compensation, then you can either compensate for point of impact being high or sight in for 200 yards and turn down the magnification to tune the scope to your rifle’s trajectory curve. As an example with my .308, the downrange impacts would be 1 to 2½ inches high with 100 yard zero. I could sight in for 200 yards and get a good trajectory match with a 3-9x scope set on 7.6x magnification. If I want to shoot at 9x with a 200-yard zero, I would have to define specific ranges for each circle. Example, the first 1st circle would be on target at 285 yards, the 2nd circle would be on at 375 yards, etc.
 
100_5120.jpg 104_0628.jpg 14_nikon_bdc.jpg 15_weaver.jpg 2010doe.jpg
 

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Album name:Pictures for Articles, Stories & News
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