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Making Swedish 6.5x55 brass from .308 thoughts.
Looking some pointers on forming 6.5x55 brass from .308. I assume that .308 would be better than any of the longer ‘06 cartridges. Have 57 pieces of .308. I also have a Hornady neck turning tool that I bought to use for 300 blkout. Found a nice Carl Gustav 1903 Swedish Mauser on my birthday last month. Have dies, Lyman mould, etc ordered.
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Making Swedish 6.5x55 brass from .308 thoughts.
Swede 6.5X55 is a different animal. Most US made brass is based on the 30.06 case head which is .472 diameter. The Swede requires a case head of diameter of .480! So check the case head diameter before you reload. If it’s the smaller diameter you may experience case bulge then rupture, depending on your reloads and chamber size.
Using the smaller case head diameter is like firing a .222 Rem. round in a 30.06 rifle, the case will try to expand to fill the chamber but the case head area of the brass is brittle and is not designed to move. If the case head area of the brass does move and bulge it will normally crack on the next reloading. YMMV
I’d recommend getting some European made 6.5x55 to guarantee the right dimensions. Grafs & Sons has PPU now and it is awesome brass.