.284 | 139gr | Hornady SST bullet load data

.284 | 139gr | Hornady SST

Hornady logoby Hornady · See details on brand website

SST
Contains lead
SKU: 28202
Twist: 1:10.5

The Hornady SST (Super Shock Tip) bullet features a sleek, polymer-tipped design with an InterLock ring that mechanically locks the core and jacket together. This non-lead-free bullet delivers devastating terminal performance with rapid, controlled expansion. The secant ogive and boat-tail design provide a high ballistic coefficient for flat trajectories and excellent accuracy at hunting distances. The SST is particularly effective on medium game like deer and antelope, where its explosive expansion creates large wound channels for quick, ethical kills. Its distinctive red polymer tip initiates expansion even at reduced velocities.

Specifications

Weight

139 gr (9.01 g)

Diameter

0.284″ (7.21 mm)

Sectional Density

0.246

BC G1

0.486

Type

SST

Min. Twist

1:10.5

Related Load Recipes

Load recipes using .284 | 139gr | SST are available in the following cartridges:

Similar Bullets

Same-caliber projectiles within ±0.003", ±5gr and matching lead content from other brands.

Community Load Data for .284 | 139gr | SST

Loads for .284 | 139gr | SST from our community:

13 loads

cartridgePowderBarrel (in)Charge (gr)OAL (in)Max. Pressure (psi)Muzzle Velocity (fps)
7 x 57Hodgdon H435022.050.03.15055233 (98%)2828
7 x 57Hodgdon H435022.048.03.15053853 (95%)2779
7 x 57Hodgdon H435022.046.03.15046528 (82%)2657
.284 Win.Hodgdon Hodgdon CFE22324.0••.•2.75858494 (92%)2999
7 mm-08 Rem.IMR 406420.0••.•2.80057406 (95%)2694
7 mm-08 Rem.IMR 8208 XBR20.0••.•2.80058160 (97%)2703
7 mm-08 Rem.Accurate Powders 406420.0••.•2.80052228 (87%)2641
7 mm-08 Rem.Hodgdon VARGET20.0••.•2.80057377 (95%)2710
7 mm-08 Rem.Somchem S34120.0••.•2.80058030 (96%)2749
.284 Win.Hodgdon Hodgdon CFE22324.0••.•2.75856710 (89%)2972
7 x 57Hodgdon H435022.0••.•3.15048965 (87%)2723
7 mm Rem. Mag.Ramshot Grand26.0••.•3.29062323 (100%)3304
7 x 65 R BrennekeVihtavuori N54023.6••.•3.29149705 (90%)2749