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    Feinwerkbau 300S (FWB 300S) Anomaly?

    I have a Feinwerkbau 300S from 1976. I recently had a breech seal failure and replaced the seal with a new green FWB factory seal. After replacing the seal I noted that it took considerably more pressure to close the breech after cocking. I would not consider it to be forcing the breech...