REDDING MICROMETER SEAT PLUG STANDARD #21

A new Bullet Seating Micrometer has now been created by Redding for use with all seating dies using 1/2-20 threads. These new Bullet Seating Micrometers are a direct replacement for the original seat plugs and can easily be changed from one die to another.

Fits:

·         375 H &H Mag

·         35 Remington

·         35 Whelen

·         358 Winchester/356 Winchester

·         416 Ruger

·         348 Winchester

·         35 Winchester

·         358 Norma Mag

·         9mm x 57 mauser

·         370 Sako Magnum

·         375 H and H Improved 40

·         375 Weatherby Mag

·         378 Weatherby Mag