Gun shops, gun shows, on line retailers.
No.
If you are asking about the Remington 6.5 rem.mag round,then this cartridge takes large rifle/or large rifle magnum primers.The .223 Remington cartridge takes the small rifle primer.Both of these center fire primers differ in size and cannot be interchanged.The .223 Rem cartridge requires small rifle primers.
No- they do not interchange- difference in height.
NO
John Berdan died in 1841.
John Berdan was born in 1798.
The SP and SR primers are same size, but with different cup thickness/hardness and different amount/brisance of priming compound. You will need to be vigilant in working up loads. You can use small rifle primers in place of small pistol, just not the reverse.
small pistol large pistol magnum pistol small rifle large rifle magnum rifle .50 BMG These are the primers used in all pistol and rifle ammo that is commercially available. Larger, artillery type, ammunition uses much different primers, obviously.
Hiram Berdan died on 1893-03-31.
Hiram Berdan was born on 1824-09-06.
Jean Milton Berdan was born in 1943.
Jean Milton Berdan died in 1993.