I'm interested to see what the experts say, but it doesn't sound right to me. The distance from bolt face to lands hasn't changed, so your BTO measurement shouldn't change. The case is longer because...
Type: Posts; User: Cigar
I'm interested to see what the experts say, but it doesn't sound right to me. The distance from bolt face to lands hasn't changed, so your BTO measurement shouldn't change. The case is longer because...