.338 | 275gr | Speer SSP

Our reloading data for the .338 | 275gr | Speer SSP bullet covers a total of 20 suitable calibers and 998 load recipes

About this bullet

.338 | 275gr | Speer SSP is a bullet made by Speer. At 275 gr (17.8 g) and a diameter of 0.338'' (8.59 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.448 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. A twist rate of 1:16.0 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 998 load recipes across 20 calibers for this bullet.

Most popular calibers for this bullet

CaliberLoad recipes
.338 Weatherby RPM144
8.5 x 63143
8.5 x 55 Blaser140
.338-06 A-Square139
.338 Win Mag.137

Load data for .338 | 275gr | Speer SSP 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.