
.277 | 140gr | Barnes TSX BT
by Barnes · See details on brand website
The Barnes TSX BT (Triple-Shock X Boat Tail) bullet is designed for handloaders and hunters seeking a premium performance projectile. Constructed from solid copper, this bullet features a grooved design that aids in expansion while ensuring high weight retention. Its boat tail shape enhances aerodynamics, providing flatter trajectories and improved accuracy at long ranges. Typical applications include big game hunting, where it excels in delivering deep penetration and controlled expansion, making it suitable for various calibers such as .243 to .375. The bullet is ideal for hunting deer, elk, moose, and other large game due to its reliability and effectiveness in terminal ballistics. Advantages include reduced lead fouling, increased expansion reliability, and enhanced terminal performance, providing hunters with a dependable option for any hunting scenario.
Specifications
Weight
140 gr (9.07 g)
Diameter
0.277″ (7.04 mm)
Sectional Density
0.261
BC G1
0.404
Type
TSX BT
Min. Twist
1:10.0
Related Load Recipes
Load recipes using .277 | 140gr | TSX BT are available in the following cartridges:
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Community Load Data for .277 | 140gr | TSX BT
Loads for .277 | 140gr | TSX BT from our community:
4 loads
| cartridge | Powder | Barrel (in) | Charge (gr) | OAL (in) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|
| .270 WSM | Hodgdon Superformance | 24.0 | 63.8 | 2.860 | 58842 (92%) | 3081 |
| .270 WSM | Hodgdon Superformance | 24.0 | 63.4 | 2.860 | 57653 (90%) | 3064 |
| .270 WSM | Hodgdon H1000 | 24.0 | 66.4 | 2.860 | 48051 (75%) | 2917 |
| .270 WSM | Hodgdon H4831 SC | 22.0 | ••.• | 2.860 | 48327 (76%) | 2805 |