From my 6.5CM testing…. average brass weights:
(once fired, deprimed, wet tumbled, resized and trimmed to the same lengths)
20 piece averages…
Federal SRP = 172.6 gr
Peterson SRP = 167.0 gr
Hornady LRP = 153.0 gr
Norma LRP = 154.5 gr
The Federal is pretty heavy and the case head is pretty...