Muzzle Velocity
3,050
fps
Muzzle Energy
2,871
ft-lbs
Ballistic Coefficient
0.410 G1
G1
Sectional Density
0.246
 

Bullet Drop (inches)

Ballistic Trajectory

100yd zero, sea level, 59°F, 10 mph crosswind

RangeVelocityEnergyDrop (in)Wind (in)
0 yd3,050fps2,871ft-lbs-1.50
100 yd2,813fps2,441ft-lbs00.7
200 yd2,588fps2,066ft-lbs-2.93
300 yd2,374fps1,739ft-lbs-117
400 yd2,170fps1,453ft-lbs-25.312.9
500 yd1,976fps1,205ft-lbs-4721.1
600 yd1,793fps992ft-lbs-77.631.9
700 yd1,623fps813ft-lbs-119.145.5
800 yd1,467fps664ft-lbs-173.862.4
900 yd1,329fps545ft-lbs-244.783
1000 yd1,211fps453ft-lbs-335.4107.3

Bullet Information

ManufacturerHammer Bullets
Bullet139gr Hammer Hunter
Diameter0.284" (7mm)
ConstructionMonolithic
BC (G1)0.410 G1
Sectional Density0.246

Load Information

Cartridge.280 Ackley Improved
ManufacturerWeatherby
Product LineSelect
CategoryHunting
SKUM280A139HCB

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