Rainier recommends using commercially published jacketed bullet load data when loading our projectiles. There is no need for adjustment when using jacketed bullet load data. Our bullets are completely encapsulated in copper, creating a “Total Copper Jacket” (TCJ) through a specialized electroplating process, and are softer than traditionally jacketed bullets.
We recommend a starting powder charge between the listed minimum and maximum load found in various published and reputable reloading manuals.
A slight taper or minimal roll crimp may be used with our bullets. Over-crimping plated bullets may result in decreased accuracy, and can result in the fragmentation of copper plating.
We recommend the Lee Carbide Factory Crimp Die. This die will not seat the bullet. The bullet should be seated with your regular seating die. The Lee Carbide Factory Crimp Die sizes the case after crimping , trim length is not critical. Impossible to buckle the case, crimps bullets with no cannelure. This will eliminate the frustration with adjusting dies that seat and crimp in the same cycle.