.366 | 247gr | Copper Bear

About this bullet

.366 | 247gr | Copper Bear is a bullet made by Copper Bear. At 247 gr (16.0 g) and a diameter of 0.366'' (9.30 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. A twist rate of 1:16.5 is recommended for stable flight; slower twists can under-stabilise this bullet. We currently list 233 load recipes across 6 calibers for this bullet.

Most popular calibers for this bullet

Load data for .366 | 247gr | Copper Bear bullet is available in the following calibers:

• 9.3 RSM
• 9.3 x 57
• 9.3 x 62
• 9.3 x 64 Brenneke
• 9.3 x 66 Sako
• 9.3 x 74 R

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.