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Post by RDW on Jun 20, 2021 11:15:52 GMT -5
When I built the prototype model 89s I used 4140 heat treated to mid 30’s. Tried pretty hard to break one or stretch one. Didn’t happen. Yes I stuck cases and had to tap them out with a rod. Western powders said I was over 100k psi. Best to keep your mouth closed when shooting such loads it the recoil will close it...... I agree if the recoil doesn't close it the shock wave will open it even further.
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