Rim formed on primer. 12.4 grs No. 9 powder. Hand weighed.
Primer protrusion into firing pin hole.
Primer metal extruded into firing pin hole.
10 rounds fired with 11.5 grs NO. 9 powder.
Rim formed on primer. 12.4 grs No. 9 powder. Hand weighed.
Fired Primer face
Hodgdon data WSPM & used by me. 164.5 lswc.
243winxb

Rim formed on primer. 12.4 grs No. 9 powder. Hand weighed.

Rim almost like a 22lr. Had to try 1 round at Hodgdons maximum. 357 magnum in M28 S&W
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S&W M28-2 357 mag.- Defective Winchester Primers.
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