Vortex Optics VIPER 2-7X32 - DEAD-HOLD BDC - Manual (Page 4)

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Class E)
.22 LR Rimfire Rifle | Extended Ranges
(25–140 yards) Use 50 yard zero on main crosshair.
Bullet Drop
1st Hashmark - 60 yards - 1-inch drop
2nd Hashmark - 90 yards - 4-inch drop
3rd Hashmark - 120 yards - 9-inch drop
top of Bottom Post - 140 yards - 16-inch drop
Class F)
Slug Shotgun and Traditional Black Powder Rifle | See note below
(25–150 yards) Use 50 yard zero on main crosshair.
Bullet Drop
1st Hashmark - 75 yards - 1-inch drop
2nd Hashmark - 100 yards - 4.5-inch drop
3rd Hashmark - 125 yards - 9.4-inch drop
Note: Due to the tremendous differences in currently available black
powder and shotgun slug loads, these numbers should be viewed as
only a representative sample. It is very important to learn the ballistics
of the particular loads that you use and match up the correct drop
mOAs and yardages.
Class D)
Modern Black Powder Rifle | See note below
(50–200 yards) Use 100 yard zero on main crosshair.
Bullet Drop
1st Hashmark - 125 yards - 2-inch drop
2nd Hashmark - 200 yards - 9-inch drop
3rd Hashmark - 225 yards - 17-inch drop
If you wish to get the very best accuracy from the Dead-Hold BDC
reticle, you can custom match yardages to the drop hashmarks of the
reticle based on the exact ballistics of the load you are shooting. to do
this, use the online Long Range Ballistic Calculator (LRBC) located at
www.vortexoptics.com.
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Input your load and environmental conditions data
and then open the “Reticles” tab. Selecting the “Dead Hold” reticle
will then allow you to graphically display custom yardage numbers
matching your load and conditions. this graphic can also be printed
as a field reference, if desired. Small, sticky-backed decals for noting
applicable yards (supplied with the riflescope) may also be affixed to
the scope or rifle.
Follow this up with a day at the rifle range to confirm the accuracy of
the yardage numbers you have obtained through the LRBC. You will
then be confident in having the most accurate possible Dead-Hold
BDC reticle.
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Visit www.vortexoptics.com for the Long Range Ballistic Calculator.