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AR-15Bolt face: Proprietary

.400 Legend Ballistics

Winchester's .400 Legend is designed for straight-wall cartridge states that allow larger bore diameters. It delivers significantly more energy than .350 Legend for big game hunting.

Cartridge Specifications

SAAMI Max Pressure
55,000 psi
Bullet Diameter
0.4 in
Case Length
1.65 in
Overall Length
2.26 in
Parent Case
-
Bolt Face
Proprietary
Min Barrel
16 in
Platform
AR-15

Common Bullet Weights and Types

Winchester 150 gr Power-PointWinchester 215 gr SP

Muzzle Velocity by Barrel Length

Muzzle Energy by Barrel Length

Bullet Drop Table

Values in inches. 16-inch barrel reference data. Positive values rise above line of sight, negative values fall below.

LoadZero100 yd200 yd300 yd400 yd500 yd
150 gr SP200 yd30-14-42-
215 gr SP200 yd40-17.5-52-

Wind Drift at 10 mph Crosswind

Drift in inches at a 90 degree full value wind. Estimated from muzzle velocity and G1 ballistic coefficient.

Load100 yd200 yd300 yd400 yd500 yd
150 gr SP9.318.627.937.246.6
215 gr SP9.619.328.938.648.2

Effective Range by Application

Big game hunting0 to 250 yd
Straight-wall compliance0 to 200 yd

Barrel Twist Rate Recommendations

150 to 215 gr1:16

Published Load Data

WeightTypeBarrelMV (fps)ME (ft-lb)BC (G1)Source
150 grSP16 in2,3001,7620.223Winchester .400 Legend 150gr Power-Point published specs
150 grSP18 in2,3601,8550.223Winchester .400 Legend 150gr Power-Point published specs
150 grSP20 in2,4201,9500.223Winchester .400 Legend 150gr Power-Point published specs
215 grSP16 in2,0502,0060.255Winchester .400 Legend 215gr published specs
215 grSP18 in2,1002,1050.255Winchester .400 Legend 215gr published specs
215 grSP20 in2,1502,2060.255Winchester .400 Legend 215gr published specs

Data Disclaimer

Ballistic data is approximate and varies by ammunition lot, barrel condition, altitude, and temperature. Data sourced from Winchester .400 Legend 150gr Power-Point published specs; Winchester .400 Legend 215gr published specs. Always confirm zero and trajectory with your specific firearm.

Pick the right barrel

Twist rate should match the bullet weights you plan to shoot. See barrel steel grades, profiles, chamber types, and twist rate guidance on the barrel specs page, then jump into the builder to filter barrels chambered in .400 Legend.