10.4 bhn for plain base 223 bullets

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  • Last Post 10 March 2024
2frogs posted this 09 March 2024

Just mixed up some oddball alloy and got a bhn of 10.4 after sitting about 4 hrs in 39 degree temperature. Will this make a decent alloy for either plain base or gas check bullets in 223 with a 12 twist barrel??? Low velocity under 2000 fps.. thanks

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Larry Gibson posted this 09 March 2024

Shold work fine under 1500 fps or preferably to duplicate 22LR velocity at 1000 - 1100 fps.

LMG

Concealment is not cover.........

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2frogs posted this 09 March 2024

Appreciate it..thanks

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linoww posted this 10 March 2024

I breech seat a Jones .22lr type bullet in.a 225 Winchester  Hiwall at 9-10 bhn and run them under 1200 with some success. 

"if it was easy we'd let women do it" don't tell my wife I said that!

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