Quote Originally Posted by T 20 View Post
I keep meaning to measure up the Diana breech seal to see if it can be replaced with one of Knibbs' soft Feinwerkbau 300 breech seals --- this would save the D52/54/56 cocking link bending like a Banana to get an airtight seal.
And the answer is no, the Feinwerkbau seal is much bigger in OD, I've just checked on my old 52 :-


image.jpg