.358 | 158gr | Rim Rock RNFP Cowboy

About this bullet

.358 | 158gr | Rim Rock RNFP Cowboy is a bullet made by Rim Rock. At 158 gr (10.2 g) and a diameter of 0.358'' (9.09 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. We currently list 17 load recipes across 14 calibers for this bullet.

Most popular calibers for this bullet

Load data for .358 | 158gr | Rim Rock RNFP Cowboy bullet is available in the following calibers:

• .35 Rem.
• .357 Auto Mag.
• .357 Mag.
• .357 Maximum
• .38 Special
• .38 Super Auto
• .38-45 ACP
• .400/350 Rigby N.E.
• 9 mm FAR
• 9 mm Mauser
• 9 mm Steyr
• 9 x 21
• 9 x 25 Dillon
• 9 x 57 Mauser

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.