Mine are 450 12mm thick,
I tryed some 10mm of a milder grade steel and the 7 mag nearly went through one at 500 metres.
I use waratahs and hang them between them.
Mine are 450 12mm thick,
I tryed some 10mm of a milder grade steel and the 7 mag nearly went through one at 500 metres.
I use waratahs and hang them between them.
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