XXL Reloading
Sierra 130gr GameKing reloading bullet

.277 | 130gr | Sierra GameKing

Our reloading data for the .277 | 130gr | Sierra GameKing bullet covers a total of 10 suitable calibers and 555 load recipes

The Sierra GameKing bullet is a classic, non-lead-free, copper-jacketed, lead-core projectile renowned for its impressive accuracy and performance. Featuring a sleek, boat-tail design, the GameKing minimizes wind drift and enhances ballistic efficiency, making it ideal for long-range hunting. Its controlled expansion characteristics ensure deep penetration, making it most suitable for medium to large game such as deer, antelope, and elk. Hunters appreciate the GameKing's reliable expansion and superior terminal performance.

About this bullet

.277 | 130gr | Sierra GameKing is a bullet made by Sierra. At 130 gr (8.4 g) and a diameter of 0.277'' (7.04 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.436 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance. A twist rate of 1:12.0 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 555 load recipes across 10 calibers for this bullet.

Most popular calibers for this bullet

CaliberLoad recipes
.270 Win.138
.277 Fury Commercial122
.270 WSM119
6.8 mm Rem. SPC100
7 x 44 Penna76

Load data for .277 | 130gr | Sierra GameKing 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.