This guide details a method for creating a custom bullet seating stem for .223 Remington 75gr Hornady BTHP bullets, addressing issues with inconsistent seating and bullet marking. The process involves using JB KwikWeld epoxy to form a precise mold of the bullet's ogive within a standard seating stem. This technique, demonstrated by a high-level reloading expert, ensures better bullet alignment and more consistent overall length (OAL) in reloaded ammunition.
This video details the process of setting up Hornady reloading dies, specifically focusing on the installation and use of a micrometer seating die for precise bullet seating. The presenter demonstrates how to install the micrometer, select the correct seating stem for different bullet types, and achieve consistent cartridge base to ogive (CBTO) measurements. The guide also touches on the importance of proper die adjustment and the benefits of a micrometer for repeatable accuracy in handloads.
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