quentyn Posted August 15, 2017 Report Share Posted August 15, 2017 recent thread has gotten me thinking i have a beretta rated to 3 inch cartridges i have a mossberg rated for 3 inch magnum cartridges whats the difference ? what are 3 inch magnum cartridges v's normal 3 inch cartridges ? i dont think i have seen 3 inch magnums at all ? all of the 3 inch cartridges i have have just said 3 inch... Any ideas ? Q Quote Link to comment Share on other sites More sharing options...
wymberley Posted August 15, 2017 Report Share Posted August 15, 2017 Have a look at the proof marks on the Beretta. Do you have 2 stars each in a cog-like circle side by side with 'PSF' stamped below and between them? Quote Link to comment Share on other sites More sharing options...
6.5x55SE Posted August 15, 2017 Report Share Posted August 15, 2017 recent thread has gotten me thinking i have a beretta rated to 3 inch cartridges i have a mossberg rated for 3 inch magnum cartridges whats the difference ? what are 3 inch magnum cartridges v's normal 3 inch cartridges ? i dont think i have seen 3 inch magnums at all ? all of the 3 inch cartridges i have have just said 3 inch... Any ideas ? Q In old money 3" proved to 1000kg = 1-5/8oz 3" Magnum proved 1200kg = 1-7/8oz this is for LEAD cartridges Quote Link to comment Share on other sites More sharing options...
quentyn Posted August 15, 2017 Author Report Share Posted August 15, 2017 Have a look at the proof marks on the Beretta. Do you have 2 stars each in a cog-like circle side by side with 'PSF' stamped below and between them? thanks though thats not the question, can you list a 3 inch magnum cartridge ? i havent bought many 3 inch cartridges ( main steel for geese) but they werent stamped magnum - which cartridges are 3 inch magnums ? In old money 3" proved to 1000kg = 1-5/8oz 3" Magnum proved 1200kg = 1-7/8oz this is for LEAD cartridges ta though i need to rephrase my question as i wasnt clear at all ( re reading) the only 3 inch cartridges I have in stock are Eley VIP steel 42g ( from memory) are they magnum's will it be clear on the cartridge box that they are "magnum cartridges" ? Quote Link to comment Share on other sites More sharing options...
wymberley Posted August 15, 2017 Report Share Posted August 15, 2017 thanks though thats not the question, can you list a 3 inch magnum cartridge ? i havent bought many 3 inch cartridges ( main steel for geese) but they werent stamped magnum - which cartridges are 3 inch magnums ? ta though i need to rephrase my question as i wasnt clear at all ( re reading) the only 3 inch cartridges I have in stock are Eley VIP steel 42g ( from memory) are they magnum's will it be clear on the cartridge box that they are "magnum cartridges" ? Ah, sorry - the recent thread bit threw me. Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted August 15, 2017 Report Share Posted August 15, 2017 Well, I assume you are in Europe. We don't have 3" or 3" Magnus, we have 12/76mm. Most 12/76mm guns are proofed with 1370bar, or HP proofing. Quote Link to comment Share on other sites More sharing options...
FatFreddysCat Posted August 15, 2017 Report Share Posted August 15, 2017 (edited) I'm looking at a box of Gamebore Mammoth 3". Also says "magnum high performance" on the box Edit to add pic. Edited August 15, 2017 by FatFreddysCat Quote Link to comment Share on other sites More sharing options...
quentyn Posted August 15, 2017 Author Report Share Posted August 15, 2017 I'm looking at a box of Gamebore Mammoth 3". Also says "magnum high performance" on the box Edit to add pic.ScreenHunter_74 Aug. 15 19.02.jpg thanks ! I will now need to pop to the shed and be a little more observant - and double check that my beretta is magnum proof ( its a 2015 gun so i suspect it is) Quote Link to comment Share on other sites More sharing options...
Guest cookoff013 Posted August 15, 2017 Report Share Posted August 15, 2017 Dude, just check it's stamped with 1370bar or some such. That's the superior proof. HP. Quote Link to comment Share on other sites More sharing options...
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