Redding #21 Bullet Seater Micrometer with STD Seat Plug

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