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.280 Ackley Improved · 139gr Hammer Hunter

Muzzle Velocity

3,050

fps

Muzzle Energy

2,871

ft-lbs

Ballistic Coefficient

0.410

G1

Sectional Density

0.246

Bullet Drop (inches)

Ballistic Trajectory

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

Range	Velocity	Energy	Drop (in)	Drop (MOA)	Wind (in)	TOF
0 yd	3,050fps	2,871ft-lbs	-1.5	0	0	0
100 yd	2,813fps	2,441ft-lbs	0	0	0.7	0.102
200 yd	2,588fps	2,066ft-lbs	-2.9	-1.4	3	0.214
300 yd	2,374fps	1,739ft-lbs	-11	-3.5	7	0.335
400 yd	2,170fps	1,453ft-lbs	-25.3	-6	12.9	0.467
500 yd	1,976fps	1,205ft-lbs	-47	-9	21.1	0.612
600 yd	1,793fps	992ft-lbs	-77.6	-12.4	31.9	0.771
700 yd	1,623fps	813ft-lbs	-119.1	-16.3	45.5	0.947
800 yd	1,467fps	664ft-lbs	-173.8	-20.8	62.4	1.142
900 yd	1,329fps	545ft-lbs	-244.7	-26	83	1.357
1000 yd	1,211fps	453ft-lbs	-335.4	-32	107.3	1.593

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

Shooters' reviews

Each review is one shooter's own experience. Reviews never change the figures, charts or comparisons on this page, which come from the manufacturer's published data.

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