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 Post subject: Slug loads with Steel powder
PostPosted: Wed Nov 18, 2020 5:13 pm 
Field Grade

Joined: Sun Jan 06, 2013 7:08 pm
Posts: 68
Location: NE TN
I have previously tested a slug load using a 458 caliber 300 grain Nosler load using 53 grains of Steel Powder using a 45 caliber CCS sabot. This load was derived from one published by CCS using a 325 grain bullet. The pressure tests for the load were 10,292+502 psi (range 9560-10770). The final overall length of the hulls after roll crimping was 2.73 to 2.76 inches. I want to develop a new load using Steel powder, but using Barnes 250 grain, 458 caliber TSX bullet. I have 0.195 inches (0.125 and 0.070 inch nitro cards) of height available in the hull column for additional powder. All other variables will remain the same except for the bullet weight reduction and removal of nitro cards. I will submit the load to Precision reloading for testing. I am looking for a maximum pressure of no more than 11,000. My question to the group is how much Steel powder would I be able to add with the available space and max pressure ceiling?

I will read the responses and learn.

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