.366 | 250gr | Hornady ECX
by Hornady · See details on brand website
The Hornady ECX bullet is a lead-free, expanding copper alloy projectile engineered for reliable terminal performance and deep penetration. Its sleek, aerodynamic profile ensures high ballistic efficiency, while the distinctive polymer tip enhances accuracy and initiates controlled expansion on impact. Perfect for hunters seeking a non-toxic solution, the ECX bullet is ideal for medium to large game such as deer, antelope, and African plains game, providing excellent energy transfer and consistent results.
Specifications
Weight
250 gr (16.20 g)
Diameter
0.366″ (9.30 mm)
Sectional Density
0.267
BC G1
0.315
Type
ECX
Min. Twist
1:6.0
Related Load Recipes
Load recipes using .366 | 250gr | ECX are available in the following cartridges:
Similar Bullets
Same-caliber projectiles within ±0.003", ±5gr and matching lead content from other brands.
.366 | 250gr | TSX FB
Barnes · 250gr · BC 0.361
.366 | 250gr | Impala RNFP KO
Impala Bullets · 250gr
.366 | 247gr
Copper Bear · 247gr
.366 | 255gr | CutEdge DGBR-HP
Cutting Edge · 255gr · BC 0.17
.366 | 250gr | HP
Atomic 29 · 250gr · BC 0.358
.366 | 250gr | Naturalis
Lapua · 250gr · BC 0.419
.366 | 250gr | TTSX BT
Barnes · 250gr · BC 0.44
.365 | 250gr | VLR-4
Peregrine · 250gr · BC 0.501
.366 | 250gr | Fox Classic Hunter
Fox Bullets · 250gr · BC 0.332
.366 | 250gr | STAR
Geco · 250gr
.366 | 250gr | GMX
Hornady · 250gr · BC 0.36
.365 | 250gr | VRG-3
Peregrine · 250gr · BC 0.249
Community Load Data for .366 | 250gr | ECX
Loads for .366 | 250gr | ECX from our community:
8 loads
| cartridge | Powder | Barrel (in) | Charge (gr) | OAL (in) | Max. Pressure (psi) | Muzzle Velocity (fps) |
|---|---|---|---|---|---|---|
| 9.3 x 62 | Vihtavuori Vihtavuori N540 | 20.1 | 60.0 | 3.242 | 54861 (97%) | 2444 |
| 9.3 x 62 | Vihtavuori N140 | 19.7 | 56.5 | 3.268 | 7 (0%) | 2369 |
| 9.3 x 62 | Vihtavuori N140 | 19.7 | 57.0 | 3.268 | 8 (0%) | 2388 |
| 9.3 x 62 | Reload Swiss RS 40 | 24.0 | ••.• | 3.291 | 41829 (74%) | 2339 |
| 9.3 x 62 | Reload Swiss RS 40 | 22.4 | ••.• | 3.264 | 7 (0%) | 2352 |
| 9.3 x 62 | Reload Swiss RS 40 | 22.4 | ••.• | 3.264 | 6 (0%) | 2339 |
| 9.3 x 62 | Reload Swiss RS 52 | 22.4 | ••.• | 3.264 | 7 (0%) | 2520 |
| 9.3 x 62 | Somchem S335 | 22.0 | ••.• | 3.291 | 7 (0%) | 2267 |