RCBS Single Stage shell holders are built from hardened steel and designed to properly align the case with the reloading die in single-stage and turret presses. They're sized to fit specific case heads and capture 0.125 inch of the case head for proper SAAMI headspacing. This model is compatible with the following calibers: 30-378/338-378/378/460 Wbthy Mag; 40-65 Shiloh-Sharps; 45-70 Gov; 45-90-2.4"/45-100-2.6"/45-110-2.87"/45-120-3.75" Sharps Straight.
Specifications:

Type	Shell Holder
Caliber	30-378/338-378/378 Wthby Mag/338 Lapua/45-70
Size	#14
Quantity	1
Weight	4 oz
Function	Shell Holder
Compatible With
Material	Steel
Includes
Capacity
Media Capacity
Finish	Silver
Grain
Media Type
Micrometer Type