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donwalk
01-02-12, 10:10
what size drill do i use for the ID threads of a muzzle brake in 1/2x28?

is it 29/64? that's the closest i can find and that's is for 1/2x20. :confused:

M90A1
01-02-12, 11:11
15/32"

donwalk
01-02-12, 16:18
15/32"

got it...thanks