Reeder Custom Guns - I’m a bit fuzzy but remember testing mag vs std

WB
I’m a bit fuzzy but remember testing mag vs std
Thursday, March 26, 2020, 07:27

In the .510 GNR revolver with some powder (I’ll look) and I saw a stark 150 fps difference in Magnum primers vs the same charge,bullet,gun using STD. Primers. Just saying you might consider a change in the dynamics. FWIW.

Is there any issue using magnum primers - Grover Sr, 2020-03-25, 19:25
- I’m a bit fuzzy but remember testing mag vs std - WB, 2020-03-26, 07:27
- I used WSPM for those pesky 45 ACP - steve todd, 2020-03-25, 22:39
- NONE HERE I USED UP 5,000 FED # 155s - JT, 2020-03-25, 21:44
- Would start over in working up your load, but shouldnt - Asa, 2020-03-25, 19:51