.311 | 55gr | Lehigh Defense Xtreme Defense

About this bullet

.311 | 55gr | Lehigh Defense Xtreme Defense is a bullet made by Lehigh Defense. At 55 gr (3.6 g) and a diameter of 0.311'' (7.90 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.091 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance.

Load data for .311 | 55gr | Lehigh Defense Xtreme Defense bullet is available in the following calibers:

• .30 Super Carry

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.