Speer 125gr HP TNT reloading bullet

.310 | 125gr | Speer HP TNT

Our reloading data for the .310 | 125gr | Speer HP TNT bullet covers a total of 40 suitable calibers and 969 load recipes

About this bullet

.310 | 125gr | Speer HP TNT is a bullet made by Speer. At 125 gr (8.1 g) and a diameter of 0.31'' (7.87 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.341 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. We currently list 969 load recipes across 40 calibers for this bullet.

Most popular calibers for this bullet

CaliberLoad recipes
.300 H&H Mag.260
.300 Norma Mag.136
.300 RCM122
.300 Rem. SA Ultra Mag.122
.30-378 Weath. Mag.104

Load data for .310 | 125gr | Speer HP TNT bullet is available in the following calibers:

Safety notes

All load data is reference data only. Always start at the minimum charge and work up in small steps while watching for pressure signs. Never exceed the maximum charge published by the powder or bullet manufacturer.