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AR-10Bolt face: .30-06

.270 Winchester Ballistics

The .270 Winchester brings classic deer and elk hunting performance to the AR-10 platform. Flat trajectory and proven terminal performance on medium to large game out to 400 yards.

Cartridge Specifications

SAAMI Max Pressure
65,000 psi
Bullet Diameter
0.277 in
Case Length
2.54 in
Overall Length
3.34 in
Parent Case
30-06 Springfield
Bolt Face
.30-06
Min Barrel
22 in
Platform
AR-10

Common Bullet Weights and Types

Hornady 130 gr SSTFederal 140 gr FusionFederal 150 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
130 gr SST200 yd1.30-5.5-15.8-31.5
130 gr SST200 yd1.30-5.5-15.8-31.5
130 gr SST200 yd1.30-5.5-15.8-31.5
140 gr BTSP200 yd1.40-5.8-16.5-33
140 gr BTSP200 yd1.40-5.8-16.5-33
140 gr BTSP200 yd1.40-5.8-16.5-33
150 gr SP200 yd1.50-6.2-18-36
150 gr SP200 yd1.50-6.2-18-36
150 gr SP200 yd1.50-6.2-18-36

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
130 gr SST3.67.210.914.518.1
130 gr SST3.57.110.614.217.7
130 gr SST3.5710.51417.4
140 gr BTSP3.46.810.213.617
140 gr BTSP3.36.71013.316.7
140 gr BTSP3.36.69.813.116.4
150 gr SP3.87.611.415.219
150 gr SP3.77.411.114.918.6
150 gr SP3.77.31114.618.3

Effective Range by Application

Deer hunting0 to 500 yd
Elk hunting0 to 400 yd

Barrel Twist Rate Recommendations

130 to 150 gr1:10

Published Load Data

WeightTypeBarrelMV (fps)ME (ft-lb)BC (G1)Source
130 grSST20 in2,9902,5800.46Hornady .270 Win 130gr SST published load data
130 grSST22 in3,0502,6850.46Hornady .270 Win 130gr SST published load data
130 grSST24 in3,1002,7740.46Hornady .270 Win 130gr SST published load data
140 grBTSP20 in2,8902,5960.486Federal Fusion .270 Win 140gr BTSP published data
140 grBTSP22 in2,9502,7050.486Federal Fusion .270 Win 140gr BTSP published data
140 grBTSP24 in3,0002,7970.486Federal Fusion .270 Win 140gr BTSP published data
150 grSP20 in2,8002,6110.465Federal Power-Shok .270 Win 150gr SP published data
150 grSP22 in2,8602,7240.465Federal Power-Shok .270 Win 150gr SP published data
150 grSP24 in2,9102,8200.465Federal Power-Shok .270 Win 150gr SP published data

Data Disclaimer

Ballistic data is approximate and varies by ammunition lot, barrel condition, altitude, and temperature. Data sourced from Hornady .270 Win 130gr SST published load data; Federal Fusion .270 Win 140gr BTSP published data; Federal Power-Shok .270 Win 150gr SP published data. 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 .270 Winchester.