If you want used 12G cases then:Originally Posted by phil384
1. Choose a brand that has reloading data published for them!
2. Do not mix case types.!
3. You cannot "work up a load for them" as pressures do NOT show up like rifle cases.
4. If you find a suitable PUBLISHED load then stick to it! For example changing primer type may cause adverse changes in pressure.
5. Is your gun proofed for such loads? How was your proof derived?
6. Do not be deceived into thinking "fast" loads will be of benefit; lead shot has the ballistic qualities of a heavy ping pong ball! E.g. if you don't believe this then
consider the extreme range of lead shot!
7. Some published factory data is "enthusiastic" to say the least.
8. All my reload data has been put through a pressure gun (piezo) and stacks up with my chrono data. No, I will not detail this as it suits my gun , choke and
pattern requirements. But I can tell what to look for.
9. Stay away from the higher pressure loads!!!!!!!!!!!!
10. And finally I still have about 10000 once fired Winchester AA 70mm cases; in my opinion the best for reloading (scarce as hens teeth now) and have just
finished reloading 4500 shells (32 gram @ 1250 f/s). Yes, I have seen factory ammo rated at high velocity but have you ever fired a one ounce load at 1500+
f/s (over the chrono?).
11. And finally please don't "screw around" altering cases (changing crimp to roll) UNLESS YOU HAVE THE PRESSURE DATA!
Cheers
pjinoz
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