The Mighty Prawn Posted May 12, 2022 Report Share Posted May 12, 2022 As per title, I’ve got a B525 and I’ve been given some BB fox cartridges but they are magnums with a warning to only use in magnum proof guns but can’t find online what marks that would mean on the gun from proof, or even if they do mark magnum proofs? what say the PW hive mind? Quote Link to comment Share on other sites More sharing options...
grahamch Posted May 12, 2022 Report Share Posted May 12, 2022 What chamber length is gun? How long are cartridges Quote Link to comment Share on other sites More sharing options...
The Mighty Prawn Posted May 12, 2022 Author Report Share Posted May 12, 2022 3” chamber and 76mm cartridge - size wise it seems to be okay but didn’t know if there’s an extra proof for magnum or is it just the length that matters? Quote Link to comment Share on other sites More sharing options...
grahamch Posted May 13, 2022 Report Share Posted May 13, 2022 If its lead 3 inch you will be fine Quote Link to comment Share on other sites More sharing options...
royden Posted May 13, 2022 Report Share Posted May 13, 2022 I have a box of Eley 3in Magnum cartridges and states that a gun should have 3in chambers, a service pressure of at least 4 tons per square inch or a European proof pressure of 1000kg /sg cm and/or a shot load of 1 5/8oz in a nitro proofed gun. Looking at my Browning 525 i can only see the chamber length stated. On my old s/s that has 3in chambers it also states a service pressure of 1000/ sq/cm so would assume that your gun will be ok, but that said im not pulling the trigger. Quote Link to comment Share on other sites More sharing options...
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