17
TBR PERfORMANCE GROUPS: CARTRIDGE TABLE
TBR
Group
Sight-In
Distance
Cartridge Name
Bullet Weight
(grains)
Muzzle Velocity
(feet per second)
A
300
Yards
.270 Weatherby Magnum
100
3760
Lazzeroni 7.21 Firebird
140
3640
.30-.378 Weatherby
165
3500
.30-.378 Weatherby
180
3450
.300 Weatherby Magnum
150
3450
B
300
Yards
.240 Weatherby
87
3520
.240 Weatherby
100
3400
.270 Weatherby Magnum
130
3200
.270 Weatherby Magnum
150
3245
.270 Winchester Short Magnum
130
3250
7mm Shooting Times Westerner
140
3330
7mm Shooting Times Westerner
160
3050
7mm Weatherby Magnum
139
3340
7mm Weatherby Magnum
175
3070
7mm Winchester Short Magnum
140
3310
.300 Remington Ultra Magnum
180
3250
.300 Remington Ultra Magnum
200
3025
.300 Weatherby Magnum
180
3120
.300 Winchester Magnum
150
3280
.300 Winchester Magnum
180
2960
.300 Winchester Short Magnum
150
3300
.300 Winchester Short Magnum
180
3025
.338 Remington Ultra Magnum
180
3030
C
200
Yards
.204 Ruger
32
4225
.204 Ruger
40
3090
.22-250 Remington
55
3650
.223 Remington
40
3700
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