Leupold RX Operating Instructions Manual page 27

TBR Sight-In
Group Distance
.30-06 Springfield
.308 Winchester
.308 Winchester
200
AC .338 Winchester Magnum
Yards
.338 Winchester Magnum
.378 Weatherby Magnum
.460 Weatherby Magnum
.378 Weatherby Magnum
BC 200 Yards
.223 Remington
ABC 200 Yards
.378 Weatherby Magnum
For hand loads or any other unique loads not shown in the above list, the table on
the next page provides a guideline for selecting the appropriate TBR performance
group. Check the ballistic performance of your load by consulting your reloading
manual, ballistics software, or by referring to literature or Web sites provided by
your cartridge manufacturer. You may also visit the Leupold Web site at
www.leupold.com for more assistance in selecting your group. If you have your
ballistic performance data, select your performance group from the table on the
next page based on the bullet path at 500 yards. Be sure not to confuse bullet path
with bullet drop. Bullet path will be related back to your sight-in range whereas
bullet drop relates only to the total drop of the bullet, regardless of sight-in range.
TBR PERFORMANCE GROUPS: CARTRIDGE TABLE
Cartridge Name
Bullet Weight
(grains)
180
150
168
210
250
300
450
300
64
300
25
Muzzle Velocity
(feet per second)
2700
2820
2670
2830
2650
2800
2700
2925
3020
2920