Sierra "The Bulletsmiths" Rifle & Handgun Reloading Handbook Edition 6 Type_Media Separators Attach Sako Optilock scope rings

Attach Sako Optilock scope rings with this steel extended base

All 7/8"-14 threaded powder measures (will not work with the RCBS Little Dandy Powder Measure)

Muzzle Velocity: 950 fps

This base attaches to your Sako Optilock scope rings

Sierra "The Bulletsmiths" Rifle & Handgun Reloading Handbook Edition 6 Type_Media Separators Attach Sako Optilock scope ringsSierra Bullets took the opportunity to expand their ballistic testing abilities for the creation of the 6th Edition Reloading Manual. In doing so, they built a dedicated range to fire and test the velocity and pressure of their reloading data. This allowed them to ensure that the loads listed in the manual would fall under SAAMI or CIP maximum pressure limits for a given cartridge. They utilized a universal receiver to act as their test firearm