XXL Reloading

.277 | 150gr | Speer Deep Curl Soft Point

Our reloading data for the .277 | 150gr | Speer Deep Curl Soft Point bullet covers a total of 11 suitable calibers and 722 load recipes

The Speer Deep Curl bullet represents a hallmark in bonded core technology, integrating a robust design that enhances both expansion and weight retention. Crafted with a lead core firmly bonded to its copper jacket, this bullet ensures high weight retention and reliable expansion essential for effective penetration. Ideal for hunting applications, Deep Curl is tailored for seasoned reloaders targeting medium to large game, including deer and elk. Known for its consistent terminal ballistics, the bullet achieves optimal penetration depth while maintaining near-complete weight retention, providing the stopping power necessary for ethical and efficient hunting. Available in a range of popular calibers, including .30 and .270, it offers versatility for various hunting scenarios. For handloaders, the advantage lies in its reliable performance across multiple velocities, allowing for tailored loads that maximize both accuracy and stopping power. Speer Deep Curl is the choice for reloaders seeking a combination of precision and reliability.

About this bullet

.277 | 150gr | Speer Deep Curl Soft Point is a bullet made by Speer. At 150 gr (9.7 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 0.496 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 722 load recipes across 11 calibers for this bullet.

Most popular calibers for this bullet

CaliberLoad recipes
.277 Fury149
.270 Win.130
.277 Fury Commercial130
.270 Weath. Mag.118
.270 WSM103

Load data for .277 | 150gr | Speer Deep Curl Soft Point 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.