I had Hornady 300 PRC brass with 7 firings on it alls I did was full length resize, trim the necks when needed and never had one issue ?
I hear a lot of horror stories about it but I really haven’t had any problems.
I got out for another round of testing on once fired full length resized RCC BRASS using a .312 bushing,
Reloder 26/215M primers, 10C/50F 300 feet elevation
Hornady 150gr CX, 3.225" .050 off the lands,
63.0-3033
63.5-3015
64.0-3061
64.5-3055
65.0-3102
65.5-3146
66.0-3158
66.5-3166
67.0-3228...
You are correct about the LRM, I just checked the h20 capacity of a once fired piece of Gunwerks brass(ADG) 89.1grs, I used the capacity from Backfire.TV info for the LRM, I have brass/dies/reamer/parts for a build so may follow through one of these days.
This is the warning Jim Harmer posted with his 7 PRC findings !
Loading the 175gr ELD-X Bullet in the 7mm PRC
Important Note: This is anecdotal testing in my personal rifle. Your results may vary. Unlike a load data book from one of the ammunition companies, I am not measuring pressure with a...