jcmcn5

So I recently received an order of small pistol primers and when I opened them up, I noticed they were No. 1 1/2 size primers. They also came with a warning to not use with .40 S&W. I never saw any size indication on the website I used. If I made a mistake, I'll eat it, but can anyone tell me if they've had experience with this? Can use those size primers with .40 S&W? My load is usually 180 grain, Titegroup 4.8 at 1.195 OAL.