Scope
Wildbill, Have you checked out Nikon's Spot On Ballistic Program? Not only can you enter factory ammo, it also gives you G7 drag table to enter custom handloads so that you can get accurate distances for your BDC reticle and your customized ammo.
Go to Nikonhunting.com then click the Spot On logo. It's all free, there's even a downloadable app for iphone and android.
Pretty amazing amount of information available.
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