jcmcn5 Posted October 29, 2022 Share Posted October 29, 2022 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. Link to comment Share on other sites More sharing options...
Joe4d Posted October 29, 2022 Share Posted October 29, 2022 Well thats what the MFG is saying, say to use 51/2's for higher pressure rounds. If you check a manual should list pressures and you could find a combo that meets your PF with less peak pressure.. Probably something in the slower burn rates. Link to comment Share on other sites More sharing options...
pbcaster45 Posted November 2, 2022 Share Posted November 2, 2022 I tried Remington 1 1/2s and they would pierce with anything but mild loads. I quit using them - but if that's all you have... Link to comment Share on other sites More sharing options...
superdude Posted November 2, 2022 Share Posted November 2, 2022 The funny part is that the Remington ammo catalog shows the primer used in 40 S&W is the 1 1/2. Link to comment Share on other sites More sharing options...
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